Water Temperature of San Francisco Bay in San Rafael, CA

Current Water Temperature

60.3°F

Measurement Time: Thursday, April 30, 2026, 7:00 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

77.2°F
Sunny
Sunny
78.6°F
79.5°F
51%
SW 7.4 mph
10.5 mph
78.4°F
57.4°F
0 in
0%
9 mi
1014 mbar
6.5

Five Day Weather Forecast

Sunny
Thu
H: 81°F
L: 49°F
Sunny
Fri
H: 64°F
L: 51°F
Partly Cloudy
Sat
H: 61°F
L: 52°F
Patchy rain nearby
Sun
H: 59°F
L: 53°F
Partly Cloudy
Mon
H: 60°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 10.65 μg/m3
PM10: 13.25 μg/m3
Carbon Monoxide: 169.85 μg/m3
Nitrogen Dioxide: 13.25 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:07 PM
Sunset: 8:00 PM
Daylight: 13 hrs 45 mins
Moonrise: 7:28 PM
Moon Transit: 12:00 AM
Moonset: 5:24 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:23 AM - 9:53 AM

Minor Periods

6:58 PM - 8:28 PM
4:54 AM - 6:24 AM

Action Rating: 5 out of 5

Thursday, April 30, 2026

Weather Forecast

Sunny
81.1°F
48.6°F
61.6°F
68%
0 in
0%
0%
8.9 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 10.42 μg/m3
PM10: 13.6 μg/m3
Carbon Monoxide: 169.37 μg/m3
Nitrogen Dioxide: 8.52 μg/m3
Sulphur Dioxide: 2.41 μg/m3
Ozone: 72.68 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:07 PM
Sunset: 8:00 PM
Daylight: 13 hrs 45 mins
Moonrise: 7:28 PM
Moon Transit: 12:00 AM
Moonset: 5:24 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:23 AM - 9:53 AM

Minor Periods

6:58 PM - 8:28 PM
4:54 AM - 6:24 AM

Action Rating: 5 out of 5

Friday, May 1, 2026

Weather Forecast

Sunny
63.7°F
51.1°F
56.9°F
81%
0 in
0%
0%
8.7 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 10.09 μg/m3
PM10: 12.97 μg/m3
Carbon Monoxide: 161.81 μg/m3
Nitrogen Dioxide: 7.41 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 68.36 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:06 PM
Sunset: 8:01 PM
Daylight: 13 hrs 47 mins
Moonrise: 8:31 PM
Moon Transit: 12:43 AM
Moonset: 5:50 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:13 AM - 2:43 AM
8:07 AM - 10:37 AM

Minor Periods

8:01 PM - 9:31 PM
5:20 AM - 6:50 AM

Action Rating: 4 out of 5

Saturday, May 2, 2026

Weather Forecast

Partly Cloudy
60.6°F
52.3°F
55.6°F
81%
0 in
0%
0%
12.8 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 9.39 μg/m3
PM10: 12.51 μg/m3
Carbon Monoxide: 141.29 μg/m3
Nitrogen Dioxide: 5.73 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 76.16 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:06 PM
Sunset: 8:02 PM
Daylight: 13 hrs 49 mins
Moonrise: 9:33 PM
Moon Transit: 1:28 AM
Moonset: 6:21 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:58 AM - 3:28 AM
8:54 AM - 11:24 AM

Minor Periods

9:03 PM - 10:33 PM
5:51 AM - 7:21 AM

Action Rating: 4 out of 5

Sunday, May 3, 2026

Weather Forecast

Patchy rain nearby
58.6°F
52.7°F
55.4°F
78%
0.01 in
88%
0%
11.4 mph
4.4


Air Quality

AQI: 1 - Good
PM2.5: 8.61 μg/m3
PM10: 12.23 μg/m3
Carbon Monoxide: 132.2 μg/m3
Nitrogen Dioxide: 4.35 μg/m3
Sulphur Dioxide: 1.99 μg/m3
Ozone: 85.28 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:06 PM
Sunset: 8:03 PM
Daylight: 13 hrs 51 mins
Moonrise: 10:33 PM
Moon Transit: 2:17 AM
Moonset: 6:57 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:47 AM - 4:17 AM
9:43 AM - 12:13 AM

Minor Periods

10:03 PM - 11:33 PM
6:27 AM - 7:57 AM

Action Rating: 4 out of 5

Monday, May 4, 2026

Weather Forecast

Partly Cloudy
60°F
52.1°F
55.8°F
71%
0 in
0%
0%
12.8 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 10.8 μg/m3
PM10: 14.92 μg/m3
Carbon Monoxide: 149.41 μg/m3
Nitrogen Dioxide: 9.78 μg/m3
Sulphur Dioxide: 2.51 μg/m3
Ozone: 73.31 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:06 PM
Sunset: 8:04 PM
Daylight: 13 hrs 53 mins
Moonrise: 11:28 PM
Moon Transit: 3:07 AM
Moonset: 7:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
10:33 AM - 1:03 PM

Minor Periods

12:00 AM - 12:00 AM
7:09 AM - 8:39 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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