Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

63.3°F

Measurement Time: Friday, June 26, 2026, 4:00 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

72.3°F
Sunny
Sunny
76.5°F
73.7°F
65%
WSW 11.6 mph
15.7 mph
70.2°F
60.7°F
0 in
0%
9 mi
1013 mbar
7.9

Five Day Weather Forecast

Sunny
Fri
H: 74°F
L: 55°F
Sunny
Sat
H: 66°F
L: 55°F
Sunny
Sun
H: 69°F
L: 51°F
Sunny
Mon
H: 67°F
L: 54°F
Sunny
Tue
H: 65°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 7.6 μg/m3
PM10: 11.1 μg/m3
Carbon Monoxide: 89 μg/m3
Nitrogen Dioxide: 1.8 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 54 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:12 PM
Sunset: 8:37 PM
Daylight: 14 hrs 48 mins
Moonrise: 6:19 PM
Moon Transit: 11:00 PM
Moonset: 2:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

5:36 AM - 8:06 AM
12:00 AM - 12:00 AM

Minor Periods

5:49 PM - 7:19 PM
2:27 AM - 3:57 AM

Action Rating: 3 out of 5

Small Craft Advisory issued June 26 at 2:40AM PDT until June 28 at 3:00AM PDT by NWS San Francisco CA

Effective: Fri June 26, 2026, 2:40 AM
Expires: Fri June 26, 2026, 10:15 AM

* WHAT...West winds 15 to 25 kt with gusts up to 30 kt and rough waters. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...Until 3 AM PDT Sunday. * 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 June 26 at 8:18AM PDT until June 28 at 3:00AM PDT by NWS San Francisco CA

Effective: Fri June 26, 2026, 8:18 AM
Expires: Fri June 26, 2026, 4:30 PM

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and choppy waters. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...Until 3 AM PDT Sunday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Friday, June 26, 2026

Weather Forecast

Sunny
73.6°F
54.7°F
63.4°F
77%
0 in
10%
0%
15.2 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 6.8 μg/m3
PM10: 9.75 μg/m3
Carbon Monoxide: 90.17 μg/m3
Nitrogen Dioxide: 3.08 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 50.75 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:12 PM
Sunset: 8:37 PM
Daylight: 14 hrs 48 mins
Moonrise: 6:19 PM
Moon Transit: 11:00 PM
Moonset: 2:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

5:36 AM - 8:06 AM
12:00 AM - 12:00 AM

Minor Periods

5:49 PM - 7:19 PM
2:27 AM - 3:57 AM

Action Rating: 3 out of 5

Saturday, June 27, 2026

Weather Forecast

Sunny
65.6°F
55.1°F
60.2°F
72%
0 in
8%
0%
15.9 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 6.33 μg/m3
PM10: 9.51 μg/m3
Carbon Monoxide: 89.08 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 54.67 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:12 PM
Sunset: 8:37 PM
Daylight: 14 hrs 47 mins
Moonrise: 7:17 PM
Moon Transit: 11:49 PM
Moonset: 3:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

6:25 AM - 8:55 AM
12:00 AM - 12:00 AM

Minor Periods

6:47 PM - 8:17 PM
3:05 AM - 4:35 AM

Action Rating: 3 out of 5

Sunday, June 28, 2026

Weather Forecast

Sunny
69.1°F
50.5°F
59.1°F
68%
0 in
5%
0%
11.2 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 5.73 μg/m3
PM10: 7.74 μg/m3
Carbon Monoxide: 95.92 μg/m3
Nitrogen Dioxide: 5.47 μg/m3
Sulphur Dioxide: 0.73 μg/m3
Ozone: 52.04 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:13 PM
Sunset: 8:37 PM
Daylight: 14 hrs 47 mins
Moonrise: 8:10 PM
Moon Transit: 12:00 AM
Moonset: 4:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:16 AM - 9:46 AM

Minor Periods

7:40 PM - 9:10 PM
3:51 AM - 5:21 AM

Action Rating: 3 out of 5

Monday, June 29, 2026

Weather Forecast

Sunny
66.9°F
54.3°F
59.8°F
77%
0 in
8%
0%
8.9 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 8.58 μg/m3
PM10: 11.57 μg/m3
Carbon Monoxide: 111.35 μg/m3
Nitrogen Dioxide: 8.25 μg/m3
Sulphur Dioxide: 0.89 μg/m3
Ozone: 48 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:13 PM
Sunset: 8:37 PM
Daylight: 14 hrs 46 mins
Moonrise: 8:57 PM
Moon Transit: 12:41 AM
Moonset: 5:12 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:11 AM - 2:41 AM
8:07 AM - 10:37 AM

Minor Periods

8:27 PM - 9:57 PM
4:42 AM - 6:12 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
65°F
54.5°F
59.2°F
81%
0 in
10%
0%
15.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 9.4 μg/m3
PM10: 11.52 μg/m3
Carbon Monoxide: 134 μg/m3
Nitrogen Dioxide: 21.03 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 20.5 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:13 PM
Sunset: 8:37 PM
Daylight: 14 hrs 46 mins
Moonrise: 9:37 PM
Moon Transit: 1:32 AM
Moonset: 6:10 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

1:02 AM - 3:32 AM
8:58 AM - 11:28 AM

Minor Periods

9:07 PM - 10:37 PM
5:40 AM - 7:10 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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