Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

55.0°F

Measurement Time: Tuesday, January 13, 2026, 8:00 PM PST

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

46.9°F
Clear
Clear
43.9°F
52.1°F
90%
NE 6.3 mph
13.2 mph
49.6°F
47.5°F
0 in
0%
9 mi
1025 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 60°F
L: 51°F
Partly Cloudy
Thu
H: 62°F
L: 50°F
Sunny
Fri
H: 63°F
L: 51°F
Sunny
Sat
H: 60°F
L: 51°F
Sunny
Sun
H: 59°F
L: 51°F

Air Quality

AQI: 2 - Moderate
PM2.5: 15.75 μg/m3
PM10: 17.25 μg/m3
Carbon Monoxide: 330.85 μg/m3
Nitrogen Dioxide: 19.15 μg/m3
Sulphur Dioxide: 5.85 μg/m3
Ozone: 33 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:18 AM
Sunset: 5:13 PM
Daylight: 9 hrs 49 mins
Moonrise: 4:20 AM
Moon Transit: 8:56 AM
Moonset: 1:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
4:23 PM - 6:53 PM

Minor Periods

1:01 PM - 2:31 PM
3:50 AM - 5:20 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued January 14 at 1:36AM PST until January 15 at 9:00PM PST by NWS San Francisco CA

Effective: Wed January 14, 2026, 1:36 AM
Expires: Wed January 14, 2026, 9:45 AM

* WHAT...An increased risk for sneaker waves and strong rip currents with breaking waves of 7 to 12 feet. * WHERE...Pacific Coast beaches. * WHEN...From 10 AM PST this morning through 9 PM PST Thursday evening. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, 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.
Wednesday, January 14, 2026

Weather Forecast

Sunny
60.4°F
51.3°F
55.2°F
78%
0 in
0%
0%
8.1 mph
0.5


Air Quality

AQI: 2 - Moderate
PM2.5: 24.25 μg/m3
PM10: 25.47 μg/m3
Carbon Monoxide: 370.89 μg/m3
Nitrogen Dioxide: 31.66 μg/m3
Sulphur Dioxide: 4.88 μg/m3
Ozone: 11.92 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:18 AM
Sunset: 5:13 PM
Daylight: 9 hrs 49 mins
Moonrise: 4:20 AM
Moon Transit: 8:56 AM
Moonset: 1:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

8:26 AM - 10:56 AM
4:23 PM - 6:53 PM

Minor Periods

1:01 PM - 2:31 PM
3:50 AM - 5:20 AM

Action Rating: 2 out of 5

Thursday, January 15, 2026

Weather Forecast

Partly Cloudy
61.7°F
49.6°F
54.5°F
73%
0 in
0%
0%
8.9 mph
0.5


Air Quality

AQI: 2 - Moderate
PM2.5: 22.46 μg/m3
PM10: 23.75 μg/m3
Carbon Monoxide: 315.09 μg/m3
Nitrogen Dioxide: 30.52 μg/m3
Sulphur Dioxide: 4.69 μg/m3
Ozone: 13.68 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:19 AM
Sunset: 5:14 PM
Daylight: 9 hrs 50 mins
Moonrise: 5:17 AM
Moon Transit: 9:48 AM
Moonset: 2:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

5:15 PM - 7:45 PM
9:18 AM - 11:48 AM

Minor Periods

1:48 PM - 3:18 PM
4:47 AM - 6:17 AM

Action Rating: 3 out of 5

Friday, January 16, 2026

Weather Forecast

Sunny
62.8°F
51.4°F
55.6°F
63%
0 in
0%
0%
6.7 mph
0.5


Air Quality

AQI: 2 - Moderate
PM2.5: 15.69 μg/m3
PM10: 16.79 μg/m3
Carbon Monoxide: 241.61 μg/m3
Nitrogen Dioxide: 28.79 μg/m3
Sulphur Dioxide: 3.68 μg/m3
Ozone: 17.92 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:19 AM
Sunset: 5:15 PM
Daylight: 9 hrs 52 mins
Moonrise: 6:11 AM
Moon Transit: 10:40 AM
Moonset: 3:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

6:08 PM - 8:38 PM
10:10 AM - 12:40 AM

Minor Periods

2:42 PM - 4:12 PM
5:41 AM - 7:11 AM

Action Rating: 3 out of 5

Saturday, January 17, 2026

Weather Forecast

Sunny
60.4°F
50.6°F
54.7°F
64%
0 in
0%
0%
7.4 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 17.98 μg/m3
PM10: 18.81 μg/m3
Carbon Monoxide: 300.33 μg/m3
Nitrogen Dioxide: 28.93 μg/m3
Sulphur Dioxide: 4.17 μg/m3
Ozone: 16.76 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:20 AM
Sunset: 5:17 PM
Daylight: 9 hrs 53 mins
Moonrise: 6:58 AM
Moon Transit: 11:33 AM
Moonset: 4:12 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:00 PM - 9:30 PM
11:03 AM - 1:33 PM

Minor Periods

3:42 PM - 5:12 PM
6:28 AM - 7:58 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Sunny
59°F
50.8°F
54.1°F
67%
0 in
0%
0%
6.9 mph
4


Air Quality

AQI: 2 - Moderate
PM2.5: 25.82 μg/m3
PM10: 26.82 μg/m3
Carbon Monoxide: 514.6 μg/m3
Nitrogen Dioxide: 40.69 μg/m3
Sulphur Dioxide: 5.2 μg/m3
Ozone: 6.08 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:20 AM
Sunset: 5:18 PM
Daylight: 9 hrs 55 mins
Moonrise: 7:38 AM
Moon Transit: 12:24 AM
Moonset: 5:16 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

7:50 PM - 10:20 PM
11:54 AM - 2:24 PM

Minor Periods

4:46 PM - 6:16 PM
7:08 AM - 8:38 AM

Action Rating: 4 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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