Water Temperature of San Francisco Bay in Richmond, CA

Current Water Temperature

54.9°F

Measurement Time: Sunday, January 4, 2026, 6:06 AM PST

Today's Tides

 High: January 4, 1:17 AM, 5.3 ft
Low: January 4, 5:56 AM, 2.9 ft
 High: January 4, 11:41 AM, 7.1 ft
Low: January 4, 6:53 PM, -1.3 ft

Temperature Locations

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Local Points of Interest

Long Wharf; Point Richmond, CA; Point Molate Beach; Keller Beach; Miller/Knox Regional Shoreline

San Francisco Bay

Station Name: Richmond
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: -3 feet

Sensor Depth: -4 feet

Nearest Address:
Standard Oil Pier
Richmond, CA 94801
Contra Costa County

GPS Coordinates: 37.928299, -122.400002

Nearby Water Temperatures

San Francisco Bay, San Rafael, CA (2.6 mi)
San Francisco Bay, San Francisco, CA (7.1 mi)
San Francisco Bay, San Francisco, CA (8.7 mi)
San Francisco Bay, San Francisco, CA (9.2 mi)
Rodeo Pond, Sausalito, CA (9.5 mi)
Rodeo Lagoon, Sausalito, CA (9.7 mi)
Rodeo Lagoon, Sausalito, CA (9.9 mi)
San Francisco Bay, Alameda, CA (12.1 mi)
Carquinez Strait, Martinez, CA (16.7 mi)
Suisun Bay, Concord, CA (21.5 mi)
San Francisco Bay, San Mateo, CA (22.3 mi)
Pacific Ocean, San Francisco, CA (26.8 mi)
Redwood Creek, Redwood City, CA (30.9 mi)
Drakes Bay, Inverness, CA (31.6 mi)
San Francisco Bay, Menlo Park, CA (33 mi)

Weather for Richmond, California

Current Weather

55°F
Partly cloudy
Partly cloudy
52.3°F
54.9°F
86%
SSW 9.8 mph
14.1 mph
52.3°F
53.1°F
0 in
75%
9 mi
1012 mbar
0

Five Day Weather Forecast

Heavy rain
Sun
H: 55°F
L: 51°F
Overcast
Mon
H: 56°F
L: 50°F
Fog
Tue
H: 53°F
L: 42°F
Patchy rain nearby
Wed
H: 55°F
L: 49°F
Sunny
Thu
H: 53°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 5.25 μg/m3
PM10: 6.85 μg/m3
Carbon Monoxide: 162.85 μg/m3
Nitrogen Dioxide: 8.65 μg/m3
Sulphur Dioxide: 2.45 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:14 AM
Sunset: 5:04 PM
Daylight: 9 hrs 38 mins
Moonrise: 6:46 PM
Moon Transit: 1:13 AM
Moonset: 8:48 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
8:43 AM - 11:13 AM

Minor Periods

6:16 PM - 7:46 PM
8:18 AM - 9:48 AM

Action Rating: 3 out of 5

Coastal Flood Advisory issued January 3 at 1:46PM PST until January 4 at 2:00PM PST by NWS San Francisco CA

Effective: Sat January 3, 2026, 1:46 PM
Expires: Sun January 4, 2026, 5:00 AM

* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...San Francisco. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.


Beach Hazards Statement issued January 3 at 1:46PM PST until January 4 at 10:00PM PST by NWS San Francisco CA

Effective: Sat January 3, 2026, 1:46 PM
Expires: Sun January 4, 2026, 5:00 AM

* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...San Francisco. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.


Coastal Flood Advisory issued January 4 at 1:35AM PST until January 5 at 3:00PM PST by NWS San Francisco CA

Effective: Sun January 4, 2026, 1:35 AM
Expires: Sun January 4, 2026, 2:00 PM

* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...San Francisco. * WHEN...For the Coastal Flood Advisory, until 3 PM PST Monday. For the Beach Hazards Statement, from 6 AM PST this morning through this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.


Beach Hazards Statement issued January 4 at 1:35AM PST until January 4 at 10:00PM PST by NWS San Francisco CA

Effective: Sun January 4, 2026, 1:35 AM
Expires: Sun January 4, 2026, 2:00 PM

* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...San Francisco. * WHEN...For the Coastal Flood Advisory, until 3 PM PST Monday. For the Beach Hazards Statement, from 6 AM PST this morning through this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.


Coastal Flood Advisory issued January 3 at 1:46PM PST until January 4 at 2:00PM PST by NWS San Francisco CA

Effective: Sat January 3, 2026, 1:46 PM
Expires: Sun January 4, 2026, 5:00 AM

* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...Pacific Coast from Sonoma County to Monterey County including the Monterey Bay. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.


Coastal Flood Advisory issued January 3 at 1:46PM PST until January 4 at 2:00PM PST by NWS San Francisco CA

Effective: Sat January 3, 2026, 1:46 PM
Expires: Sun January 4, 2026, 5:00 AM

* WHAT...Up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. * WHERE...Areas adjacent to the San Francisco and San Pablo Bays. * WHEN...Until 2 PM PST Sunday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Beach Hazards Statement issued January 3 at 1:46PM PST until January 4 at 10:00PM PST by NWS San Francisco CA

Effective: Sat January 3, 2026, 1:46 PM
Expires: Sun January 4, 2026, 5:00 AM

* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...Pacific Coast from Sonoma County to Monterey County including the Monterey Bay. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.


Coastal Flood Advisory issued January 4 at 1:35AM PST until January 5 at 3:00PM PST by NWS San Francisco CA

Effective: Sun January 4, 2026, 1:35 AM
Expires: Sun January 4, 2026, 2:00 PM

* WHAT...Up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. * WHERE...Areas adjacent to the San Francisco and San Pablo Bays. * WHEN...Until 3 PM PST Monday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Beach Hazards Statement issued January 4 at 1:35AM PST until January 4 at 10:00PM PST by NWS San Francisco CA

Effective: Sun January 4, 2026, 1:35 AM
Expires: Sun January 4, 2026, 2:00 PM

* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...Pacific Coast from Sonoma County to Monterey County including the Monterey Bay. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.


Coastal Flood Advisory issued January 4 at 1:35AM PST until January 4 at 2:00PM PST by NWS San Francisco CA

Effective: Sun January 4, 2026, 1:35 AM
Expires: Sun January 4, 2026, 2:00 PM

* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...Pacific Coast from Sonoma County to Monterey County including the Monterey Bay. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Stay off of jetties, piers, rocks, and other waterside infrastructure. Remain out of the water to avoid hazardous surf and NEVER turn your back on the ocean. Monitor local weather, surf and tide forecasts at www.weather.gov/mtr.


Flood Advisory issued January 4 at 2:05AM PST until January 4 at 5:00AM PST by NWS San Francisco CA

Effective: Sun January 4, 2026, 2:05 AM
Expires: Sun January 4, 2026, 5:00 AM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Western Alameda County in northern California... Central Contra Costa County in northern California... * Until 500 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 205 AM PST, Doppler radar indicated heavy rain. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Oakland, Fremont, Hayward, Concord, Berkeley, Richmond, San Leandro, Mountain View, Alameda, San Ramon, Pleasanton, Union City, Walnut Creek, Pittsburg, Dublin, Danville, Martinez, Pleasant Hill, San Pablo and Lafayette. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.


Flood Watch issued January 3 at 10:32AM PST until January 5 at 4:00PM PST by NWS Sacramento CA

Effective: Sat January 3, 2026, 10:32 AM
Expires: Sun January 4, 2026, 4:00 PM

An Atmospheric River Event will bring moderate to heavy rain this weekend through Monday evening. The prolonged period of rain will bring the risk of flooding to the Sacramento Valley, Shasta County, northern Sierra Nevada and adjacent foothills, as well as the Coastal Range. This will be for elevations below 4000 feet. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northern California below 4000 feet in elevation, including the following areas, Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast foothills, and Shasta Lake Area / Northern Shasta County. * WHEN...Through Monday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Flood Watch issued January 3 at 11:55PM PST until January 5 at 4:00PM PST by NWS Sacramento CA

Effective: Sat January 3, 2026, 11:55 PM
Expires: Sun January 4, 2026, 4:15 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. Additional rainfall of 1 to 3 inches is expected below 4000 ft, highest in the foothills. * WHERE...A portion of northern California below 4000 feet in elevation, including the following areas, Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast foothills, and Shasta Lake Area / Northern Shasta County. * WHEN...Through Monday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.


Flood Advisory issued January 4 at 3:30AM PST until January 4 at 5:00AM PST by NWS San Francisco CA

Effective: Sun January 4, 2026, 3:30 AM
Expires: Sun January 4, 2026, 5:00 AM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Northwestern San Mateo County in northern California... * Until 500 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 330 AM PST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Francisco, San Mateo, South San Francisco, San Bruno, Pacifica, Burlingame, Millbrae, Half Moon Bay, Hillsborough, El Granada, Highlands-Baywood Park, Brisbane, Montara and Moss Beach. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.


Flood Advisory issued January 4 at 2:01AM PST until January 4 at 5:00AM PST by NWS San Francisco CA

Effective: Sun January 4, 2026, 2:01 AM
Expires: Sun January 4, 2026, 5:00 AM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Central San Mateo County in northern California... * Until 500 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 201 AM PST, Doppler radar indicated heavy rain. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Mateo, Redwood City, Menlo Park, Foster City, San Carlos, Belmont, Half Moon Bay, Hillsborough, Atherton, Woodside, Highlands-Baywood Park, North Fair Oaks, Portola Valley, Emerald Lake Hills, West Menlo Park and Highlands. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.


Flood Advisory issued January 4 at 1:38AM PST until January 4 at 4:45AM PST by NWS San Francisco CA

Effective: Sun January 4, 2026, 1:38 AM
Expires: Sun January 4, 2026, 4:45 AM

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern San Mateo County in northern California... West Central Santa Clara County in northern California... Central Santa Cruz County in northern California... * Until 445 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 138 AM PST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Jose, Palo Alto, Santa Cruz, Cupertino, Campbell, Saratoga, Los Gatos, Corralitos, Scotts Valley, Boulder Creek, Ben Lomond, Felton, Aptos, Eureka Canyon Road, Uvas Canyon Park, Brown Valley Road, Portola Valley, Monte Sereno, Lexington Hills and Day Valley. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.


Flood Advisory issued January 4 at 3:31AM PST until January 4 at 6:00AM PST by NWS San Francisco CA

Effective: Sun January 4, 2026, 3:31 AM
Expires: Sun January 4, 2026, 6:00 AM

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southeastern Napa County in northern California... Southeastern Sonoma County in northern California... * Until 600 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 331 AM PST, Doppler radar indicated heavy rain. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Napa. - http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.


Sunday, January 4, 2026

Weather Forecast

Heavy rain
55°F
50.5°F
52.9°F
93%
2.02 in
90%
0%
14.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 6.18 μg/m3
PM10: 8.55 μg/m3
Carbon Monoxide: 157.13 μg/m3
Nitrogen Dioxide: 8.31 μg/m3
Sulphur Dioxide: 2.2 μg/m3
Ozone: 71.16 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:14 AM
Sunset: 5:04 PM
Daylight: 9 hrs 38 mins
Moonrise: 6:46 PM
Moon Transit: 1:13 AM
Moonset: 8:48 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
8:43 AM - 11:13 AM

Minor Periods

6:16 PM - 7:46 PM
8:18 AM - 9:48 AM

Action Rating: 3 out of 5

Monday, January 5, 2026

Weather Forecast

Overcast
55.6°F
50.4°F
52.7°F
88%
0 in
0%
0%
9.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.26 μg/m3
PM10: 8.88 μg/m3
Carbon Monoxide: 178.77 μg/m3
Nitrogen Dioxide: 18.09 μg/m3
Sulphur Dioxide: 2.96 μg/m3
Ozone: 54.08 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:15 AM
Sunset: 5:05 PM
Daylight: 9 hrs 39 mins
Moonrise: 7:59 PM
Moon Transit: 2:11 AM
Moonset: 9:24 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

1:41 AM - 4:11 AM
9:38 AM - 12:08 AM

Minor Periods

7:29 PM - 8:59 PM
8:54 AM - 10:24 AM

Action Rating: 3 out of 5

Tuesday, January 6, 2026

Weather Forecast

Fog
52.6°F
42.4°F
47.7°F
94%
0 in
0%
0%
5.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 7.15 μg/m3
PM10: 7.86 μg/m3
Carbon Monoxide: 202.29 μg/m3
Nitrogen Dioxide: 24.36 μg/m3
Sulphur Dioxide: 3.42 μg/m3
Ozone: 35.12 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:15 AM
Sunset: 5:06 PM
Daylight: 9 hrs 40 mins
Moonrise: 9:08 PM
Moon Transit: 3:02 AM
Moonset: 9:54 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

2:32 AM - 5:02 AM
10:28 AM - 12:58 AM

Minor Periods

8:38 PM - 10:08 PM
9:24 AM - 10:54 AM

Action Rating: 2 out of 5

Wednesday, January 7, 2026

Weather Forecast

Patchy rain nearby
55.3°F
48.6°F
51.2°F
77%
0.01 in
86%
0%
17.7 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.99 μg/m3
PM10: 9.61 μg/m3
Carbon Monoxide: 368.42 μg/m3
Nitrogen Dioxide: 17.77 μg/m3
Sulphur Dioxide: 2.81 μg/m3
Ozone: 45.2 μg/m3

Astronomical

Sunrise: 7:26 AM
Sun Transit: 12:16 AM
Sunset: 5:06 PM
Daylight: 9 hrs 41 mins
Moonrise: 10:14 PM
Moon Transit: 3:49 AM
Moonset: 10:19 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

3:19 AM - 5:49 AM
11:14 AM - 1:44 PM

Minor Periods

9:44 PM - 11:14 PM
9:49 AM - 11:19 AM

Action Rating: 2 out of 5

Thursday, January 8, 2026

Weather Forecast

Sunny
53.2°F
42.2°F
47.8°F
67%
0 in
0%
0%
10.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.86 μg/m3
PM10: 12.16 μg/m3
Carbon Monoxide: 157.27 μg/m3
Nitrogen Dioxide: 6.82 μg/m3
Sulphur Dioxide: 2.12 μg/m3
Ozone: 70.62 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:16 AM
Sunset: 5:07 PM
Daylight: 9 hrs 42 mins
Moonrise: 11:16 PM
Moon Transit: 4:32 AM
Moonset: 10:42 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

4:02 AM - 6:32 AM
11:57 AM - 2:27 PM

Minor Periods

12:00 AM - 12:00 AM
10:12 AM - 11:42 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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