Water Temperature of San Francisco Bay in Alameda, CA
Current Water Temperature
Measurement Time: Monday, July 21, 2025, 11:54 PM PDT
Today's Tides
Low: July 22, 5:03 AM, -0.94 ft
High: July 22, 12:00 PM, 5.36 ft
Low: July 22, 4:29 PM, 3.30 ft
High: July 22, 10:29 PM, 7.67 ft
Temperature Locations
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Local Points of Interest
USS Hornet; Naval Air Station Alameda; Encinal Beach; Oakland, CASponsored Content
Station Name: Alameda
Data Source: NOAA Tides and Currents
Elevation Above Sea Level: 0 feet / 0 meters
Sensor Depth: -3.9 feet / -1.2 meters
Nearest Address:
26 W Hornet Ave
Alameda, CA 94501
Alameda County
GPS Coordinates: 37.771700, -122.300000
Nearby Water Temperatures
San Francisco Bay, San Francisco, CA (5.7 mi)San Francisco Bay, San Francisco, CA (7.7 mi)
San Francisco Bay, San Francisco, CA (9.4 mi)
San Francisco Bay, San Mateo, CA (10.2 mi)
San Francisco Bay, Richmond, CA (12.1 mi)
Rodeo Pond, Sausalito, CA (13.0 mi)
Rodeo Lagoon, Sausalito, CA (13.1 mi)
Rodeo Lagoon, Sausalito, CA (13.4 mi)
San Francisco Bay, San Rafael, CA (13.8 mi)
Redwood Creek, Redwood City, CA (19.0 mi)
Carquinez Strait, Martinez, CA (20.5 mi)
San Francisco Bay, Menlo Park, CA (20.9 mi)
Suisun Bay, Concord, CA (24.2 mi)
Coyote Creek, Alviso, CA (26.1 mi)
Pacific Ocean, San Francisco, CA (29.5 mi)
Weather for Alameda, California
Current Weather

Humidity: 86%
Feels Like: 60.1°F
Wind: SW 6.7 mph
Wind Gusts: 10.3 mph
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Tue
H: 62°F
L: 57°F

Wed
H: 63°F
L: 56°F

Thu
H: 63°F
L: 56°F

Fri
H: 67°F
L: 56°F

Sat
H: 66°F
L: 57°F
Air Quality
Nitrogen Dioxide: 7.03 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 30 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:26 PM
Daylight: 14 hrs 21 mins
Moon Transit: 11:22 AM
Moonset: 7:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
6:53 PM - 9:23 PM10:52 AM - 1:22 PM
Minor Periods
6:48 PM - 8:18 PM2:53 AM - 4:23 AM
Action Rating: 3 out of 5
Coastal Flood Advisory issued July 21 at 9:04PM PDT until July 22 at 12:00AM PDT by NWS San Francisco CA
Effective: Mon July 21, 2025, 9:04 PM
Expires: Tue July 22, 2025, 12:00 AM
* WHAT...Minor coastal flooding expected. * WHERE...San Francisco, North Bay Interior Valleys and San Francisco Bay Shoreline Counties. * WHEN...Until midnight PDT tonight. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Up to one foot inundation above ground level is possible in low lying areas near shorelines and tidal waterways. At the San Francisco tidal gauge high tide is expected to be 1.04 feet above normal (6.88 ft MLLW) at 9:02 PM PDT Monday. High tide timing varies up to 2 hours earlier or later along the coast and throughout the Bay.
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.
Coastal Flood Advisory issued July 21 at 9:04PM PDT until July 22 at 12:00AM PDT by NWS San Francisco CA
Effective: Mon July 21, 2025, 9:04 PM
Expires: Tue July 22, 2025, 12:00 AM
* WHAT...Minor coastal flooding expected. * WHERE...San Francisco, North Bay Interior Valleys and San Francisco Bay Shoreline Counties. * WHEN...Until midnight PDT tonight. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Up to one foot inundation above ground level is possible in low lying areas near shorelines and tidal waterways. At the San Francisco tidal gauge high tide is expected to be 1.04 feet above normal (6.88 ft MLLW) at 9:02 PM PDT Monday. High tide timing varies up to 2 hours earlier or later along the coast and throughout the Bay.
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.
Coastal Flood Advisory issued July 21 at 9:04PM PDT until July 22 at 12:00AM PDT by NWS San Francisco CA
Effective: Mon July 21, 2025, 9:04 PM
Expires: Tue July 22, 2025, 12:00 AM
* WHAT...Minor coastal flooding expected. * WHERE...San Francisco, North Bay Interior Valleys and San Francisco Bay Shoreline Counties. * WHEN...Until midnight PDT tonight. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Up to one foot inundation above ground level is possible in low lying areas near shorelines and tidal waterways. At the San Francisco tidal gauge high tide is expected to be 1.04 feet above normal (6.88 ft MLLW) at 9:02 PM PDT Monday. High tide timing varies up to 2 hours earlier or later along the coast and throughout the Bay.
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.
Coastal Flood Advisory issued July 21 at 9:04PM PDT until July 22 at 12:00AM PDT by NWS San Francisco CA
Effective: Mon July 21, 2025, 9:04 PM
Expires: Tue July 22, 2025, 12:00 AM
* WHAT...Minor coastal flooding expected. * WHERE...San Francisco, North Bay Interior Valleys and San Francisco Bay Shoreline Counties. * WHEN...Until midnight PDT tonight. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Up to one foot inundation above ground level is possible in low lying areas near shorelines and tidal waterways. At the San Francisco tidal gauge high tide is expected to be 1.04 feet above normal (6.88 ft MLLW) at 9:02 PM PDT Monday. High tide timing varies up to 2 hours earlier or later along the coast and throughout the Bay.
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.
Coastal Flood Advisory issued July 21 at 9:04PM PDT until July 22 at 12:00AM PDT by NWS San Francisco CA
Effective: Mon July 21, 2025, 9:04 PM
Expires: Tue July 22, 2025, 12:00 AM
* WHAT...Minor coastal flooding expected. * WHERE...San Francisco, North Bay Interior Valleys and San Francisco Bay Shoreline Counties. * WHEN...Until midnight PDT tonight. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...Up to one foot inundation above ground level is possible in low lying areas near shorelines and tidal waterways. At the San Francisco tidal gauge high tide is expected to be 1.04 feet above normal (6.88 ft MLLW) at 9:02 PM PDT Monday. High tide timing varies up to 2 hours earlier or later along the coast and throughout the Bay.
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.
Weather Forecast
Average Temperature: 59.1°F
Average Humidity: 91%
Wind: 11.9 mph
UV Index: 1.9
Air Quality
Nitrogen Dioxide: 7.22 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 36.44 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:26 PM
Daylight: 14 hrs 21 mins
Moon Transit: 11:22 AM
Moonset: 7:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.6%
Best Times for Fishing or Hunting
Major Periods
6:53 PM - 9:23 PM10:52 AM - 1:22 PM
Minor Periods
6:48 PM - 8:18 PM2:53 AM - 4:23 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 58.6°F
Average Humidity: 90%
Wind: 13.6 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 7.97 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 51.92 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:26 PM
Daylight: 14 hrs 20 mins
Moon Transit: 12:24 AM
Moonset: 8:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
7:54 PM - 10:24 PM11:54 AM - 2:24 PM
Minor Periods
7:40 PM - 9:10 PM4:01 AM - 5:31 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 58.4°F
Average Humidity: 91%
Wind: 14.8 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 7.38 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 54.08 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:25 PM
Daylight: 14 hrs 18 mins
Moon Transit: 1:22 PM
Moonset: 8:50 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
8:51 PM - 11:21 PM12:52 AM - 3:22 PM
Minor Periods
8:20 PM - 9:50 PM5:13 AM - 6:43 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 60.9°F
Average Humidity: 74%
Wind: 14.5 mph
UV Index: 2.6
Air Quality
Nitrogen Dioxide: 8.07 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 51.08 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:24 PM
Daylight: 14 hrs 17 mins
Moon Transit: 2:14 PM
Moonset: 9:22 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:44 PM - 4:14 PM
Minor Periods
8:52 PM - 10:22 PM6:26 AM - 7:56 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 59.6°F
Average Humidity: 77%
Wind: 13.4 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:23 PM
Daylight: 14 hrs 15 mins
Moon Transit: 3:02 PM
Moonset: 9:50 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:32 PM - 5:02 PM
Minor Periods
9:20 PM - 10:50 PM7:35 AM - 9:05 AM
Action Rating: 3 out of 5