Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

65.8°F

Measurement Time: Tuesday, July 14, 2026, 11:00 PM 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

63°F
Sunny
Sunny
63°F
65.7°F
72%
SSW 5.4 mph
9.7 mph
65.7°F
51.9°F
0 in
0%
9 mi
1014 mbar
0.3

Five Day Weather Forecast

Sunny
Wed
H: 101°F
L: 57°F
Sunny
Thu
H: 70°F
L: 55°F
Sunny
Fri
H: 67°F
L: 53°F
Sunny
Sat
H: 68°F
L: 54°F
Sunny
Sun
H: 68°F
L: 54°F

Air Quality

AQI: 1 - Good
PM2.5: 8.8 μg/m3
PM10: 11.3 μg/m3
Carbon Monoxide: 105 μg/m3
Nitrogen Dioxide: 7.5 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 37 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:15 PM
Sunset: 8:32 PM
Daylight: 14 hrs 32 mins
Moonrise: 7:23 AM
Moon Transit: 2:43 PM
Moonset: 9:51 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:13 PM - 4:43 PM

Minor Periods

9:21 PM - 10:51 PM
6:53 AM - 8:23 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 14 at 8:31PM PDT until July 16 at 3:00PM PDT by NWS San Francisco CA

Effective: Tue July 14, 2026, 8:31 PM
Expires: Wed July 15, 2026, 4:45 AM

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt expected. * WHERE...Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM. * WHEN...From 9 AM Wednesday to 3 PM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Wednesday, July 15, 2026

Weather Forecast

Sunny
101.1°F
57.2°F
73.1°F
49%
0 in
1%
0%
10.3 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 10.72 μg/m3
PM10: 14.67 μg/m3
Carbon Monoxide: 106.71 μg/m3
Nitrogen Dioxide: 7.2 μg/m3
Sulphur Dioxide: 0.99 μg/m3
Ozone: 56.13 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:15 PM
Sunset: 8:32 PM
Daylight: 14 hrs 32 mins
Moonrise: 7:23 AM
Moon Transit: 2:43 PM
Moonset: 9:51 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:13 PM - 4:43 PM

Minor Periods

9:21 PM - 10:51 PM
6:53 AM - 8:23 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
69.9°F
54.6°F
61.5°F
71%
0 in
6%
0%
11 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 9.59 μg/m3
PM10: 13.18 μg/m3
Carbon Monoxide: 96.75 μg/m3
Nitrogen Dioxide: 4.44 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 54.42 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 1:15 PM
Sunset: 8:31 PM
Daylight: 14 hrs 31 mins
Moonrise: 8:39 AM
Moon Transit: 3:35 PM
Moonset: 10:21 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:05 PM - 5:35 PM

Minor Periods

9:51 PM - 11:21 PM
8:09 AM - 9:39 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
67.2°F
53.4°F
59.4°F
77%
0 in
8%
0%
11 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 11.34 μg/m3
PM10: 15.52 μg/m3
Carbon Monoxide: 96.54 μg/m3
Nitrogen Dioxide: 3.46 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 56.21 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 1:16 PM
Sunset: 8:31 PM
Daylight: 14 hrs 30 mins
Moonrise: 9:50 AM
Moon Transit: 4:23 PM
Moonset: 10:47 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:53 PM - 6:23 PM

Minor Periods

10:17 PM - 11:47 PM
9:20 AM - 10:50 AM

Action Rating: 2 out of 5

Saturday, July 18, 2026

Weather Forecast

Sunny
67.9°F
53.6°F
59.8°F
78%
0 in
10%
0%
12.3 mph
10.2


Air Quality

AQI: 1 - Good
PM2.5: 9.22 μg/m3
PM10: 12.91 μg/m3
Carbon Monoxide: 92.63 μg/m3
Nitrogen Dioxide: 4.45 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 1:16 PM
Sunset: 8:30 PM
Daylight: 14 hrs 28 mins
Moonrise: 10:57 AM
Moon Transit: 5:09 PM
Moonset: 11:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:39 PM - 7:09 PM

Minor Periods

12:00 AM - 12:00 AM
10:27 AM - 11:57 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
67.5°F
53.6°F
59.6°F
78%
0 in
10%
0%
12.5 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 6.73 μg/m3
PM10: 8.98 μg/m3
Carbon Monoxide: 103.67 μg/m3
Nitrogen Dioxide: 6.32 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 46 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 1:16 PM
Sunset: 8:30 PM
Daylight: 14 hrs 27 mins
Moonrise: 12:02 AM
Moon Transit: 5:52 PM
Moonset: 12:11 AM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
5:22 PM - 7:52 PM

Minor Periods

11:32 AM - 1:02 PM
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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