Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

65.1°F

Measurement Time: Monday, July 6, 2026, 6:00 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

55.8°F
Overcast
Overcast
54.3°F
52.3°F
94%
W 6.5 mph
8.9 mph
52.3°F
48.9°F
0 in
100%
9 mi
1015 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 77°F
L: 52°F
Sunny
Wed
H: 68°F
L: 53°F
Sunny
Thu
H: 69°F
L: 55°F
Sunny
Fri
H: 67°F
L: 55°F
Sunny
Sat
H: 69°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 7.1 μg/m3
PM10: 10 μg/m3
Carbon Monoxide: 84 μg/m3
Nitrogen Dioxide: 4.2 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:14 PM
Sunset: 8:35 PM
Daylight: 14 hrs 41 mins
Moonrise: 12:17 AM
Moon Transit: 12:00 AM
Moonset: 1:31 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

1:01 PM - 2:31 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Small Craft Advisory issued July 6 at 3:08PM PDT until July 8 at 9:00PM PDT by NWS San Francisco CA

Effective: Mon July 6, 2026, 3:08 PM
Expires: Mon July 6, 2026, 11:15 PM

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

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 6 at 8:50PM PDT until July 9 at 3:00AM PDT by NWS San Francisco CA

Effective: Mon July 6, 2026, 8:50 PM
Expires: Tue July 7, 2026, 5:00 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 3 PM Tuesday to 3 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Tuesday, July 7, 2026

Weather Forecast

Sunny
77°F
52.2°F
60.9°F
77%
0 in
9%
0%
10.3 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 8.5 μg/m3
PM10: 12.37 μg/m3
Carbon Monoxide: 88.29 μg/m3
Nitrogen Dioxide: 3.09 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 52.08 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:14 PM
Sunset: 8:35 PM
Daylight: 14 hrs 41 mins
Moonrise: 12:17 AM
Moon Transit: 12:00 AM
Moonset: 1:31 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

1:01 PM - 2:31 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 8, 2026

Weather Forecast

Sunny
68.2°F
53.3°F
59.4°F
79%
0 in
9%
0%
10.1 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 8.95 μg/m3
PM10: 12.68 μg/m3
Carbon Monoxide: 95.79 μg/m3
Nitrogen Dioxide: 4.4 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 44.08 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:14 PM
Sunset: 8:35 PM
Daylight: 14 hrs 40 mins
Moonrise: 12:43 AM
Moon Transit: 7:35 AM
Moonset: 2:41 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
3:02 PM - 5:32 PM

Minor Periods

2:11 PM - 3:41 PM
12:13 AM - 1:43 AM

Action Rating: 2 out of 5

Thursday, July 9, 2026

Weather Forecast

Sunny
69.4°F
55.2°F
60.8°F
78%
0 in
8%
0%
10.3 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 9.55 μg/m3
PM10: 13.46 μg/m3
Carbon Monoxide: 104.17 μg/m3
Nitrogen Dioxide: 6.68 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 44.67 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:15 PM
Sunset: 8:35 PM
Daylight: 14 hrs 39 mins
Moonrise: 1:13 AM
Moon Transit: 8:27 AM
Moonset: 3:54 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
3:56 PM - 6:26 PM

Minor Periods

3:24 PM - 4:54 PM
12:43 AM - 2:13 AM

Action Rating: 2 out of 5

Friday, July 10, 2026

Weather Forecast

Sunny
66.8°F
54.5°F
60°F
80%
0 in
10%
0%
11.9 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 9.55 μg/m3
PM10: 13.72 μg/m3
Carbon Monoxide: 96.33 μg/m3
Nitrogen Dioxide: 5.81 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 47.5 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:15 PM
Sunset: 8:34 PM
Daylight: 14 hrs 38 mins
Moonrise: 1:51 AM
Moon Transit: 9:25 AM
Moonset: 5:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:55 AM - 11:25 AM
4:55 PM - 7:25 PM

Minor Periods

4:40 PM - 6:10 PM
1:21 AM - 2:51 AM

Action Rating: 2 out of 5

Saturday, July 11, 2026

Weather Forecast

Sunny
68.5°F
55.8°F
61.1°F
79%
0 in
10%
0%
9.8 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 8.7 μg/m3
PM10: 10.93 μg/m3
Carbon Monoxide: 112.5 μg/m3
Nitrogen Dioxide: 14.95 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 22 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:15 PM
Sunset: 8:34 PM
Daylight: 14 hrs 37 mins
Moonrise: 2:38 AM
Moon Transit: 10:28 AM
Moonset: 6:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

6:00 PM - 8:30 PM
9:58 AM - 12:28 AM

Minor Periods

5:55 PM - 7:25 PM
2:08 AM - 3:38 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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