Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

55.4°F

Measurement Time: Saturday, February 7, 2026, 4:00 AM 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

61°F
Sunny
Sunny
61°F
59°F
77%
W 2.2 mph
6.7 mph
59°F
51.8°F
0 in
0%
9 mi
1026 mbar
2.2

Five Day Weather Forecast

Sunny
Sat
H: 71°F
L: 44°F
Mist
Sun
H: 55°F
L: 49°F
Mist
Mon
H: 61°F
L: 48°F
Patchy rain nearby
Tue
H: 55°F
L: 51°F
Patchy rain nearby
Wed
H: 56°F
L: 49°F

Air Quality

AQI: 2 - Moderate
PM2.5: 17.75 μg/m3
PM10: 20.45 μg/m3
Carbon Monoxide: 187.85 μg/m3
Nitrogen Dioxide: 38.15 μg/m3
Sulphur Dioxide: 4.05 μg/m3
Ozone: 19 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:23 AM
Sunset: 5:40 PM
Daylight: 10 hrs 32 mins
Moonrise: 12:04 AM
Moon Transit: 4:32 AM
Moonset: 9:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

4:02 AM - 6:32 AM
11:56 AM - 2:26 PM

Minor Periods

9:22 AM - 10:52 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

High Surf Advisory issued February 7 at 2:07AM PST until February 7 at 9:00PM PST by NWS San Francisco CA

Effective: Sat February 7, 2026, 2:07 AM
Expires: Sat February 7, 2026, 9:00 PM

* WHAT...Large breaking waves of 17 to 22 feet, with continuing increased risk of sneaker waves and strong rip currents. * WHERE...Pacific Coast beaches. * WHEN...Until 9 PM PST this evening. * 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. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning.

Swimmers should remain out of the water due to dangerous surf conditions.
Saturday, February 7, 2026

Weather Forecast

Sunny
71.2°F
44.2°F
54.1°F
75%
0 in
0%
0%
8.1 mph
0.6


Air Quality

AQI: 2 - Moderate
PM2.5: 25.44 μg/m3
PM10: 28.94 μg/m3
Carbon Monoxide: 344.21 μg/m3
Nitrogen Dioxide: 36.59 μg/m3
Sulphur Dioxide: 5.51 μg/m3
Ozone: 25.8 μg/m3

Astronomical

Sunrise: 7:08 AM
Sun Transit: 12:23 AM
Sunset: 5:40 PM
Daylight: 10 hrs 32 mins
Moonrise: 12:04 AM
Moon Transit: 4:32 AM
Moonset: 9:52 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

4:02 AM - 6:32 AM
11:56 AM - 2:26 PM

Minor Periods

9:22 AM - 10:52 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, February 8, 2026

Weather Forecast

Mist
55°F
49.3°F
52.3°F
97%
0 in
0%
0%
7.4 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 12.67 μg/m3
PM10: 15.87 μg/m3
Carbon Monoxide: 195.25 μg/m3
Nitrogen Dioxide: 19.88 μg/m3
Sulphur Dioxide: 3.33 μg/m3
Ozone: 39.32 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 12:23 AM
Sunset: 5:41 PM
Daylight: 10 hrs 34 mins
Moonrise: 12:05 AM
Moon Transit: 5:15 AM
Moonset: 10:19 AM
Moon Phase: Last Quarter
Moon Illumination: 52.5%

Best Times for Fishing or Hunting

Major Periods

4:45 AM - 7:15 AM
12:40 AM - 3:10 PM

Minor Periods

9:49 AM - 11:19 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, February 9, 2026

Weather Forecast

Mist
61°F
47.8°F
54.1°F
85%
0 in
0%
0%
6.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7.02 μg/m3
PM10: 9.21 μg/m3
Carbon Monoxide: 157.77 μg/m3
Nitrogen Dioxide: 11.65 μg/m3
Sulphur Dioxide: 2.52 μg/m3
Ozone: 53.6 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 12:24 AM
Sunset: 5:42 PM
Daylight: 10 hrs 36 mins
Moonrise: 1:07 AM
Moon Transit: 6:01 AM
Moonset: 10:50 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

5:31 AM - 8:01 AM
1:26 PM - 3:56 PM

Minor Periods

10:20 AM - 11:50 AM
12:37 AM - 2:07 AM

Action Rating: 2 out of 5

Tuesday, February 10, 2026

Weather Forecast

Patchy rain nearby
55.3°F
50.5°F
52.6°F
85%
0.05 in
89%
0%
15.4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 13.53 μg/m3
PM10: 16.03 μg/m3
Carbon Monoxide: 231.46 μg/m3
Nitrogen Dioxide: 24.82 μg/m3
Sulphur Dioxide: 3.55 μg/m3
Ozone: 38.28 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:24 AM
Sunset: 5:43 PM
Daylight: 10 hrs 38 mins
Moonrise: 2:08 AM
Moon Transit: 6:49 AM
Moonset: 11:26 AM
Moon Phase: Last Quarter
Moon Illumination: 30.3%

Best Times for Fishing or Hunting

Major Periods

6:19 AM - 8:49 AM
2:15 PM - 4:45 PM

Minor Periods

10:56 AM - 12:26 AM
1:38 AM - 3:08 AM

Action Rating: 2 out of 5

Wednesday, February 11, 2026

Weather Forecast

Patchy rain nearby
55.6°F
48.6°F
52.1°F
76%
0.01 in
89%
0%
8.1 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 16.48 μg/m3
PM10: 18.5 μg/m3
Carbon Monoxide: 328.23 μg/m3
Nitrogen Dioxide: 33.38 μg/m3
Sulphur Dioxide: 3.38 μg/m3
Ozone: 26.77 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 12:24 AM
Sunset: 5:44 PM
Daylight: 10 hrs 40 mins
Moonrise: 3:07 AM
Moon Transit: 7:39 AM
Moonset: 12:10 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

7:09 AM - 9:39 AM
3:06 PM - 5:36 PM

Minor Periods

11:40 AM - 1:10 PM
2:37 AM - 4:07 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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