Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

58.3°F

Measurement Time: Tuesday, May 26, 2026, 4:00 AM PDT

Temperature Locations

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Local Points of Interest

Richmond, CA

San Francisco Bay

Station Name: SAN FRANCISCO BAY A RICHMOND-SAN RAFAEL BRIDGE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
Richmond-San Rafael Bridge
San Rafael, CA 94801
Marin County

GPS Coordinates: 37.93527778, -122.4463889

Nearby Water Temperatures

San Francisco Bay, Richmond, CA (2.6 mi)
San Francisco Bay, San Francisco, CA (7.6 mi)
Rodeo Pond, Sausalito, CA (8.3 mi)
Rodeo Lagoon, Sausalito, CA (8.5 mi)
Rodeo Lagoon, Sausalito, CA (8.7 mi)
San Francisco Bay, San Francisco, CA (9 mi)
San Francisco Bay, San Francisco, CA (9.5 mi)
San Francisco Bay, Alameda, CA (13.8 mi)
Carquinez Strait, Martinez, CA (18.8 mi)
Suisun Bay, Concord, CA (23.7 mi)
San Francisco Bay, San Mateo, CA (23.8 mi)
Pacific Ocean, San Francisco, CA (24.8 mi)
Drakes Bay, Inverness, CA (29 mi)
Redwood Creek, Redwood City, CA (32.3 mi)
San Francisco Bay, Menlo Park, CA (34.7 mi)

Weather for San Rafael, California

Current Weather

68.5°F
Sunny
Sunny
68.5°F
66.5°F
46%
W 16.8 mph
20.9 mph
66.5°F
46.8°F
0 in
0%
9 mi
1010 mbar
7.2

Five Day Weather Forecast

Sunny
Tue
H: 72°F
L: 50°F
Partly Cloudy
Wed
H: 62°F
L: 50°F
Moderate rain
Thu
H: 63°F
L: 52°F
Sunny
Fri
H: 62°F
L: 52°F
Sunny
Sat
H: 63°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 7.05 μg/m3
PM10: 10.45 μg/m3
Carbon Monoxide: 114.85 μg/m3
Nitrogen Dioxide: 3.65 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:06 PM
Sunset: 8:23 PM
Daylight: 14 hrs 31 mins
Moonrise: 4:21 PM
Moon Transit: 9:58 PM
Moonset: 3:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
9:28 PM - 11:58 PM

Minor Periods

3:51 PM - 5:21 PM
2:35 AM - 4:05 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued May 26 at 1:51AM PDT until May 27 at 9:00AM PDT by NWS San Francisco CA

Effective: Tue May 26, 2026, 1:51 AM
Expires: Tue May 26, 2026, 9:00 AM

* WHAT...Strong northwest winds will generate very rough seas including strong rip currents at area beaches. * WHERE...Pacific Coast beaches. * WHEN...From 9 am Tuesday morning through 9 am Wednesday morning. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include strong rip currents and large breaking waves.

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 May 26 at 6:55AM PDT until May 27 at 9:00AM PDT by NWS San Francisco CA

Effective: Tue May 26, 2026, 6:55 AM
Expires: Tue May 26, 2026, 11:00 PM

* WHAT...Strong northwest winds will generate very rough seas including strong rip currents at area beaches. * WHERE...Pacific Coast beaches. * WHEN...From 9 am Tuesday morning through 9 am Wednesday morning. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include strong rip currents and large breaking waves.

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.
Tuesday, May 26, 2026

Weather Forecast

Sunny
72°F
50.2°F
59.2°F
68%
0 in
0%
0%
21.3 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 7.31 μg/m3
PM10: 10.85 μg/m3
Carbon Monoxide: 115.61 μg/m3
Nitrogen Dioxide: 2.93 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 71.8 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:06 PM
Sunset: 8:23 PM
Daylight: 14 hrs 31 mins
Moonrise: 4:21 PM
Moon Transit: 9:58 PM
Moonset: 3:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
9:28 PM - 11:58 PM

Minor Periods

3:51 PM - 5:21 PM
2:35 AM - 4:05 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Partly Cloudy
62°F
49.8°F
55.5°F
77%
0 in
0%
0%
10.5 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 5.39 μg/m3
PM10: 7.18 μg/m3
Carbon Monoxide: 119.93 μg/m3
Nitrogen Dioxide: 4.59 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 55.4 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:07 PM
Sunset: 8:23 PM
Daylight: 14 hrs 32 mins
Moonrise: 5:22 PM
Moon Transit: 10:41 PM
Moonset: 3:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

5:22 AM - 7:52 AM
12:00 AM - 12:00 AM

Minor Periods

4:52 PM - 6:22 PM
2:58 AM - 4:28 AM

Action Rating: 3 out of 5

Thursday, May 28, 2026

Weather Forecast

Moderate rain
62.6°F
52.4°F
56.6°F
80%
0.29 in
79%
0%
9.2 mph
7.3


Air Quality

AQI: 1 - Good
PM2.5: 10.43 μg/m3
PM10: 14.6 μg/m3
Carbon Monoxide: 118.33 μg/m3
Nitrogen Dioxide: 6.89 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 63.44 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:07 PM
Sunset: 8:24 PM
Daylight: 14 hrs 34 mins
Moonrise: 6:24 PM
Moon Transit: 11:26 PM
Moonset: 3:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.7%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
12:00 AM - 12:00 AM

Minor Periods

5:54 PM - 7:24 PM
3:24 AM - 4:54 AM

Action Rating: 3 out of 5

Friday, May 29, 2026

Weather Forecast

Sunny
62°F
52.4°F
56.9°F
80%
0 in
0%
0%
11.9 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 7.79 μg/m3
PM10: 11.14 μg/m3
Carbon Monoxide: 111.01 μg/m3
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 62.6 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:07 PM
Sunset: 8:25 PM
Daylight: 14 hrs 35 mins
Moonrise: 7:25 PM
Moon Transit: 12:00 AM
Moonset: 4:23 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:51 AM - 9:21 AM

Minor Periods

6:55 PM - 8:25 PM
3:53 AM - 5:23 AM

Action Rating: 4 out of 5

Saturday, May 30, 2026

Weather Forecast

Sunny
62.6°F
50.6°F
56°F
79%
0 in
0%
0%
13.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.13 μg/m3
PM10: 10.88 μg/m3
Carbon Monoxide: 123 μg/m3
Nitrogen Dioxide: 7.74 μg/m3
Sulphur Dioxide: 1.47 μg/m3
Ozone: 46 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:07 PM
Sunset: 8:26 PM
Daylight: 14 hrs 36 mins
Moonrise: 8:26 PM
Moon Transit: 12:13 AM
Moonset: 4:57 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:39 AM - 10:09 AM

Minor Periods

7:56 PM - 9:26 PM
4:27 AM - 5:57 AM

Action Rating: 5 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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