Water Temperature of San Francisco Bay in San Rafael, CA
Current Water Temperature
56.5°F
Measurement Time: Saturday, April 19, 2025, 9:00 AM PDT
Temperature Locations
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Local Points of Interest
Richmond, CASponsored Content
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 / 0 meters
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 (9.0 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 (29.0 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
54.1°F

Conditions: Mist
Humidity: 94%
Feels Like: 50.4°F
Wind: WSW 12.8 mph
Wind Gusts: 15.9 mph
Humidity: 94%
Feels Like: 50.4°F
Wind: WSW 12.8 mph
Wind Gusts: 15.9 mph
Pressure: 30.16 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 3 mi
UV Index: 2.2
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 3 mi
UV Index: 2.2
Five Day Weather Forecast

Sat
H: 55°F
L: 49°F

Sun
H: 57°F
L: 48°F

Mon
H: 66°F
L: 50°F

Tue
H: 57°F
L: 48°F

Wed
H: 60°F
L: 50°F
Air Quality
AQI:
2 - Moderate
PM2.5:
24.24 μg/m3
PM10:
30.71 μg/m3
Carbon Monoxide: 273.8 μg/m3
Nitrogen Dioxide: 23.5 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 52 μg/m3
Nitrogen Dioxide: 23.5 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 52 μg/m3
Astronomical
Sunrise: 6:29 AM
Sun Transit: 1:08 PM
Sunset: 7:50 PM
Daylight: 13 hrs 21 mins
Sun Transit: 1:08 PM
Sunset: 7:50 PM
Daylight: 13 hrs 21 mins
Moonrise: 1:41 AM
Moon Transit: 6:11 AM
Moonset: 10:45 AM
Moon Phase: Last Quarter
Moon Illumination: 49.0%
Moon Transit: 6:11 AM
Moonset: 10:45 AM
Moon Phase: Last Quarter
Moon Illumination: 49.0%
Best Times for Fishing or Hunting
Major Periods
5:41 AM - 8:11 AM1:39 PM - 4:09 PM
Minor Periods
10:15 AM - 11:45 AM1:11 AM - 2:41 AM
Action Rating: 2 out of 5
Saturday, April 19, 2025
Weather Forecast
Conditions: Overcast
Average Temperature: 51.7°F
Average Humidity: 92%
Average Temperature: 51.7°F
Average Humidity: 92%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 1.9
Wind: 13 mph
UV Index: 1.9
Air Quality
AQI:
2 - Moderate
PM2.5:
26.85 μg/m3
PM10:
32.89 μg/m3
Carbon Monoxide: 337.14 μg/m3
Nitrogen Dioxide: 24.71 μg/m3
Sulphur Dioxide: 4.78 μg/m3
Ozone: 62.12 μg/m3
Nitrogen Dioxide: 24.71 μg/m3
Sulphur Dioxide: 4.78 μg/m3
Ozone: 62.12 μg/m3
Astronomical
Sunrise: 6:29 AM
Sun Transit: 1:08 PM
Sunset: 7:50 PM
Daylight: 13 hrs 21 mins
Sun Transit: 1:08 PM
Sunset: 7:50 PM
Daylight: 13 hrs 21 mins
Moonrise: 1:41 AM
Moon Transit: 6:11 AM
Moonset: 10:45 AM
Moon Phase: Last Quarter
Moon Illumination: 49.0%
Moon Transit: 6:11 AM
Moonset: 10:45 AM
Moon Phase: Last Quarter
Moon Illumination: 49.0%
Best Times for Fishing or Hunting
Major Periods
5:41 AM - 8:11 AM1:39 PM - 4:09 PM
Minor Periods
10:15 AM - 11:45 AM1:11 AM - 2:41 AM
Action Rating: 2 out of 5
Sunday, April 20, 2025
Weather Forecast
Conditions: Partly Cloudy
Average Temperature: 51.5°F
Average Humidity: 92%
Average Temperature: 51.5°F
Average Humidity: 92%
Chance of Rain: 0%
Wind: 10.7 mph
UV Index: 1.9
Wind: 10.7 mph
UV Index: 1.9
Air Quality
AQI:
2 - Moderate
PM2.5:
22.14 μg/m3
PM10:
28.73 μg/m3
Carbon Monoxide: 284.16 μg/m3
Nitrogen Dioxide: 15.45 μg/m3
Sulphur Dioxide: 3.47 μg/m3
Ozone: 69.68 μg/m3
Nitrogen Dioxide: 15.45 μg/m3
Sulphur Dioxide: 3.47 μg/m3
Ozone: 69.68 μg/m3
Astronomical
Sunrise: 6:27 AM
Sun Transit: 1:08 PM
Sunset: 7:51 PM
Daylight: 13 hrs 23 mins
Sun Transit: 1:08 PM
Sunset: 7:51 PM
Daylight: 13 hrs 23 mins
Moonrise: 2:27 AM
Moon Transit: 7:05 AM
Moonset: 11:49 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%
Moon Transit: 7:05 AM
Moonset: 11:49 AM
Moon Phase: Last Quarter
Moon Illumination: 37.8%
Best Times for Fishing or Hunting
Major Periods
6:35 AM - 9:05 AM2:32 PM - 5:02 PM
Minor Periods
11:19 AM - 12:49 AM1:57 AM - 3:27 AM
Action Rating: 3 out of 5
Monday, April 21, 2025
Weather Forecast
Conditions: Fog
Average Temperature: 56.3°F
Average Humidity: 87%
Average Temperature: 56.3°F
Average Humidity: 87%
Chance of Rain: 0%
Wind: 9.2 mph
UV Index: 1.8
Wind: 9.2 mph
UV Index: 1.8
Air Quality
AQI:
2 - Moderate
PM2.5:
20.51 μg/m3
PM10:
25.94 μg/m3
Carbon Monoxide: 323.75 μg/m3
Nitrogen Dioxide: 20.45 μg/m3
Sulphur Dioxide: 5.17 μg/m3
Ozone: 66.32 μg/m3
Nitrogen Dioxide: 20.45 μg/m3
Sulphur Dioxide: 5.17 μg/m3
Ozone: 66.32 μg/m3
Astronomical
Sunrise: 6:26 AM
Sun Transit: 1:08 PM
Sunset: 7:52 PM
Daylight: 13 hrs 26 mins
Sun Transit: 1:08 PM
Sunset: 7:52 PM
Daylight: 13 hrs 26 mins
Moonrise: 3:05 AM
Moon Transit: 7:57 AM
Moonset: 12:58 AM
Moon Phase: Last Quarter
Moon Illumination: 27.2%
Moon Transit: 7:57 AM
Moonset: 12:58 AM
Moon Phase: Last Quarter
Moon Illumination: 27.2%
Best Times for Fishing or Hunting
Major Periods
7:27 AM - 9:57 AM3:24 PM - 5:54 PM
Minor Periods
12:28 AM - 1:58 PM2:35 AM - 4:05 AM
Action Rating: 2 out of 5
Tuesday, April 22, 2025
Weather Forecast
Conditions: Mist
Average Temperature: 51.9°F
Average Humidity: 90%
Average Temperature: 51.9°F
Average Humidity: 90%
Chance of Rain: 0%
Wind: 11.9 mph
UV Index: 1.8
Wind: 11.9 mph
UV Index: 1.8
Air Quality
AQI:
2 - Moderate
PM2.5:
22.04 μg/m3
PM10:
27.68 μg/m3
Carbon Monoxide: 333.67 μg/m3
Nitrogen Dioxide: 30.82 μg/m3
Sulphur Dioxide: 5.34 μg/m3
Ozone: 53.96 μg/m3
Nitrogen Dioxide: 30.82 μg/m3
Sulphur Dioxide: 5.34 μg/m3
Ozone: 53.96 μg/m3
Astronomical
Sunrise: 6:25 AM
Sun Transit: 1:08 PM
Sunset: 7:53 PM
Daylight: 13 hrs 28 mins
Sun Transit: 1:08 PM
Sunset: 7:53 PM
Daylight: 13 hrs 28 mins
Moonrise: 3:38 AM
Moon Transit: 8:48 AM
Moonset: 2:08 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%
Moon Transit: 8:48 AM
Moonset: 2:08 PM
Moon Phase: Last Quarter
Moon Illumination: 17.8%
Best Times for Fishing or Hunting
Major Periods
8:18 AM - 10:48 AM4:15 PM - 6:45 PM
Minor Periods
1:38 PM - 3:08 PM3:08 AM - 4:38 AM
Action Rating: 2 out of 5
Wednesday, April 23, 2025
Weather Forecast
Conditions: Partly Cloudy
Average Temperature: 53.9°F
Average Humidity: 78%
Average Temperature: 53.9°F
Average Humidity: 78%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 1.8
Wind: 12.1 mph
UV Index: 1.8
Air Quality
AQI:
2 - Moderate
PM2.5:
18.14 μg/m3
PM10:
23.77 μg/m3
Carbon Monoxide: 361.03 μg/m3
Nitrogen Dioxide: 24.73 μg/m3
Sulphur Dioxide: 3.96 μg/m3
Ozone: 51.46 μg/m3
Nitrogen Dioxide: 24.73 μg/m3
Sulphur Dioxide: 3.96 μg/m3
Ozone: 51.46 μg/m3
Astronomical
Sunrise: 6:23 AM
Sun Transit: 1:08 PM
Sunset: 7:54 PM
Daylight: 13 hrs 30 mins
Sun Transit: 1:08 PM
Sunset: 7:54 PM
Daylight: 13 hrs 30 mins
Moonrise: 4:07 AM
Moon Transit: 9:38 AM
Moonset: 3:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%
Moon Transit: 9:38 AM
Moonset: 3:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.0%
Best Times for Fishing or Hunting
Major Periods
5:04 PM - 7:34 PM9:08 AM - 11:38 AM
Minor Periods
2:50 PM - 4:20 PM3:37 AM - 5:07 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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