Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

59.7°F

Measurement Time: Sunday, May 31, 2026, 10:00 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

60.4°F
Sunny
Sunny
59.8°F
60.4°F
61%
WSW 8.3 mph
17.4 mph
59.8°F
47.9°F
0 in
0%
6 mi
1013 mbar
0.5

Five Day Weather Forecast

Sunny
Sun
H: 88°F
L: 49°F
Sunny
Mon
H: 64°F
L: 51°F
Sunny
Tue
H: 63°F
L: 51°F
Sunny
Wed
H: 68°F
L: 51°F
Sunny
Thu
H: 66°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 12.35 μg/m3
PM10: 18.05 μg/m3
Carbon Monoxide: 129.35 μg/m3
Nitrogen Dioxide: 6.35 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 67 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:07 PM
Sunset: 8:26 PM
Daylight: 14 hrs 37 mins
Moonrise: 9:22 PM
Moon Transit: 1:02 AM
Moonset: 5:37 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
8:30 AM - 11:00 AM

Minor Periods

8:52 PM - 10:22 PM
5:07 AM - 6:37 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued May 31 at 5:54AM PDT until June 2 at 5:00AM PDT by NWS San Francisco CA

Effective: Sun May 31, 2026, 5:54 AM
Expires: Sun May 31, 2026, 5:00 PM

* WHAT...Increased risk of sneaker waves and strong rip currents due to long period SW swell. * WHERE...Beaches along the Pacific Coast. * WHEN...Now through 5 AM Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches.

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 31 at 1:12PM PDT until June 2 at 5:00AM PDT by NWS San Francisco CA

Effective: Sun May 31, 2026, 1:12 PM
Expires: Mon June 1, 2026, 5:00 AM

* WHAT...Increased risk of sneaker waves and strong rip currents due to long period SW swell. * WHERE...Beaches along the Pacific Coast. * WHEN...Now through 5 AM Tuesday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches.

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.
Sunday, May 31, 2026

Weather Forecast

Sunny
88.2°F
48.9°F
60.9°F
67%
0 in
0%
0%
10.3 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 10.88 μg/m3
PM10: 14.8 μg/m3
Carbon Monoxide: 126.35 μg/m3
Nitrogen Dioxide: 8.11 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 54.67 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:07 PM
Sunset: 8:26 PM
Daylight: 14 hrs 37 mins
Moonrise: 9:22 PM
Moon Transit: 1:02 AM
Moonset: 5:37 AM
Moon Phase: Full
Moon Illumination: 99.6%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
8:30 AM - 11:00 AM

Minor Periods

8:52 PM - 10:22 PM
5:07 AM - 6:37 AM

Action Rating: 4 out of 5

Monday, June 1, 2026

Weather Forecast

Sunny
63.8°F
51.2°F
56.8°F
77%
0 in
0%
0%
11 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 13.1 μg/m3
PM10: 18.12 μg/m3
Carbon Monoxide: 122.61 μg/m3
Nitrogen Dioxide: 10.56 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 53.96 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:07 PM
Sunset: 8:27 PM
Daylight: 14 hrs 38 mins
Moonrise: 10:14 PM
Moon Transit: 1:53 AM
Moonset: 6:25 AM
Moon Phase: Full
Moon Illumination: 96.8%

Best Times for Fishing or Hunting

Major Periods

1:23 AM - 3:53 AM
9:20 AM - 11:50 AM

Minor Periods

9:44 PM - 11:14 PM
5:55 AM - 7:25 AM

Action Rating: 4 out of 5

Tuesday, June 2, 2026

Weather Forecast

Sunny
62.5°F
50.8°F
56°F
82%
0 in
0%
0%
11.4 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 12.71 μg/m3
PM10: 17.93 μg/m3
Carbon Monoxide: 121.9 μg/m3
Nitrogen Dioxide: 6.43 μg/m3
Sulphur Dioxide: 0.89 μg/m3
Ozone: 65.21 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:07 PM
Sunset: 8:28 PM
Daylight: 14 hrs 39 mins
Moonrise: 10:58 PM
Moon Transit: 2:45 AM
Moonset: 7:18 AM
Moon Phase: Full
Moon Illumination: 91.7%

Best Times for Fishing or Hunting

Major Periods

2:15 AM - 4:45 AM
10:11 AM - 12:41 AM

Minor Periods

10:28 PM - 11:58 PM
6:48 AM - 8:18 AM

Action Rating: 3 out of 5

Wednesday, June 3, 2026

Weather Forecast

Sunny
68.1°F
51.2°F
58.4°F
72%
0 in
0%
0%
14.1 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 8.82 μg/m3
PM10: 12.05 μg/m3
Carbon Monoxide: 125.41 μg/m3
Nitrogen Dioxide: 5.71 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 64.54 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:08 PM
Sunset: 8:28 PM
Daylight: 14 hrs 40 mins
Moonrise: 11:36 PM
Moon Transit: 3:35 AM
Moonset: 8:17 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.4%

Best Times for Fishing or Hunting

Major Periods

3:05 AM - 5:35 AM
11:01 AM - 1:31 PM

Minor Periods

12:00 AM - 12:00 AM
7:47 AM - 9:17 AM

Action Rating: 3 out of 5

Thursday, June 4, 2026

Weather Forecast

Sunny
65.7°F
52°F
56.3°F
79%
0 in
0%
0%
9.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.98 μg/m3
PM10: 11.4 μg/m3
Carbon Monoxide: 125.83 μg/m3
Nitrogen Dioxide: 6.38 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 51.83 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:08 PM
Sunset: 8:29 PM
Daylight: 14 hrs 41 mins
Moonrise: 12:36 AM
Moon Transit: 4:24 AM
Moonset: 9:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.3%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
11:50 AM - 2:20 PM

Minor Periods

8:48 AM - 10:18 AM
12:00 AM - 12:00 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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