Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

64.2°F

Measurement Time: Thursday, July 23, 2026, 1:00 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

68.2°F
Sunny
Sunny
68.2°F
76.6°F
73%
SW 2.7 mph
3.2 mph
72.9°F
57.7°F
0 in
0%
9 mi
1017 mbar
5.1

Five Day Weather Forecast

Sunny
Thu
H: 84°F
L: 57°F
Sunny
Fri
H: 72°F
L: 55°F
Sunny
Sat
H: 73°F
L: 56°F
Sunny
Sun
H: 71°F
L: 56°F
Sunny
Mon
H: 71°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 5.4 μg/m3
PM10: 7.5 μg/m3
Carbon Monoxide: 96 μg/m3
Nitrogen Dioxide: 3.1 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:16 PM
Sunset: 8:27 PM
Daylight: 14 hrs 21 mins
Moonrise: 4:11 PM
Moon Transit: 8:54 PM
Moonset: 12:57 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
8:24 PM - 10:54 PM

Minor Periods

3:41 PM - 5:11 PM
12:27 AM - 1:57 AM

Action Rating: 4 out of 5

Beach Hazards Statement issued July 23 at 3:08AM PDT until July 28 at 5:00PM PDT by NWS San Francisco CA

Effective: Thu July 23, 2026, 3:08 AM
Expires: Thu July 23, 2026, 11:15 AM

* WHAT...Long period SW swell will bring an increased risk of sneaker waves and strong rip currents. Breaking waves will reach up to 10 feet along some south and southwest facing beaches and break points. * WHERE...Pacific Coast. * WHEN...From Saturday morning through Tuesday afternoon. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...This swell is being generated by Hurricane Fausto in the tropical Eastern Pacific.

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.
Thursday, July 23, 2026

Weather Forecast

Sunny
83.7°F
56.7°F
68.5°F
69%
0 in
6%
0%
11.9 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 6.09 μg/m3
PM10: 8.22 μg/m3
Carbon Monoxide: 94.54 μg/m3
Nitrogen Dioxide: 4.25 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 56.25 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 1:16 PM
Sunset: 8:27 PM
Daylight: 14 hrs 21 mins
Moonrise: 4:11 PM
Moon Transit: 8:54 PM
Moonset: 12:57 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
8:24 PM - 10:54 PM

Minor Periods

3:41 PM - 5:11 PM
12:27 AM - 1:57 AM

Action Rating: 4 out of 5

Friday, July 24, 2026

Weather Forecast

Sunny
72°F
55.3°F
62.6°F
74%
0 in
7%
0%
11.9 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 5.2 μg/m3
PM10: 7.16 μg/m3
Carbon Monoxide: 93.96 μg/m3
Nitrogen Dioxide: 3.23 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 50.5 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:16 PM
Sunset: 8:26 PM
Daylight: 14 hrs 19 mins
Moonrise: 5:10 PM
Moon Transit: 9:44 PM
Moonset: 1:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

4:20 AM - 6:50 AM
9:14 PM - 11:44 PM

Minor Periods

4:40 PM - 6:10 PM
1:03 AM - 2:33 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Sunny
72.8°F
56.4°F
63.3°F
73%
0 in
7%
0%
11 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 7.34 μg/m3
PM10: 10.43 μg/m3
Carbon Monoxide: 93.92 μg/m3
Nitrogen Dioxide: 3.44 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 48.38 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:16 PM
Sunset: 8:25 PM
Daylight: 14 hrs 18 mins
Moonrise: 6:06 PM
Moon Transit: 10:35 PM
Moonset: 2:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

5:11 AM - 7:41 AM
12:00 AM - 12:00 AM

Minor Periods

5:36 PM - 7:06 PM
1:47 AM - 3:17 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Sunny
71.1°F
56.2°F
62.9°F
73%
0 in
7%
0%
11.2 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 6.13 μg/m3
PM10: 8.26 μg/m3
Carbon Monoxide: 97.12 μg/m3
Nitrogen Dioxide: 4.92 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 44.96 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:16 PM
Sunset: 8:24 PM
Daylight: 14 hrs 16 mins
Moonrise: 6:55 PM
Moon Transit: 11:27 PM
Moonset: 3:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

6:02 AM - 8:32 AM
12:00 AM - 12:00 AM

Minor Periods

6:25 PM - 7:55 PM
2:36 AM - 4:06 AM

Action Rating: 4 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
70.8°F
56.2°F
62.9°F
73%
0 in
7%
0%
11 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 8.22 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 9.55 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 28 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:16 PM
Sunset: 8:23 PM
Daylight: 14 hrs 14 mins
Moonrise: 7:37 PM
Moon Transit: 12:00 AM
Moonset: 4:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
6:53 AM - 9:23 AM

Minor Periods

7:07 PM - 8:37 PM
3:32 AM - 5:02 AM

Action Rating: 3 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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