Water Temperature of San Francisco Bay in San Francisco, CA

Current Water Temperature

61.9°F

Measurement Time: Thursday, August 27, 2026, 3:00 PM PDT

Temperature Locations

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Local Points of Interest

Alcatraz Island

San Francisco Bay

Station Name: SAN FRANCISCO BAY A NE SHORE ALCATRAZ ISLAND CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
Alcatraz Island
San Francisco, CA 94133-1312
San Francisco County

GPS Coordinates: 37.8272222, -122.4216667

Nearby Water Temperatures

San Francisco Bay, San Francisco, CA (2.1 mi)
San Francisco Bay, San Francisco, CA (2.8 mi)
Rodeo Pond, Sausalito, CA (5.6 mi)
Rodeo Lagoon, Sausalito, CA (5.8 mi)
Rodeo Lagoon, Sausalito, CA (6.1 mi)
San Francisco Bay, Richmond, CA (7.1 mi)
San Francisco Bay, San Rafael, CA (7.6 mi)
San Francisco Bay, Alameda, CA (7.7 mi)
San Francisco Bay, San Mateo, CA (16.7 mi)
Carquinez Strait, Martinez, CA (21.6 mi)
Pacific Ocean, San Francisco, CA (23.3 mi)
Redwood Creek, Redwood City, CA (25 mi)
Suisun Bay, Concord, CA (26.1 mi)
San Francisco Bay, Menlo Park, CA (27.7 mi)
Drakes Bay, Inverness, CA (32.2 mi)

Weather for San Francisco, California

Current Weather

61°F
Mostly Cloudy
Mostly Cloudy
82%
SW 12 mph
56°F

Weather Forecast

Mostly Cloudy then Slight Chance Rain Showers
Tonight
58°F - Mostly Cloudy then Slight Chance Rain Showers
Slight Chance Rain Showers then Partly Sunny
Friday
61°F - Slight Chance Rain Showers then Partly Sunny
Partly Cloudy
Friday Night
57°F - Partly Cloudy
Mostly Sunny
Saturday
60°F - Mostly Sunny
Partly Cloudy
Saturday Night
57°F - Partly Cloudy
Mostly Sunny
Sunday
60°F - Mostly Sunny
Partly Cloudy
Sunday Night
56°F - Partly Cloudy
Partly Sunny
Monday
58°F - Partly Sunny
Mostly Cloudy
Monday Night
56°F - Mostly Cloudy
Partly Sunny
Tuesday
59°F - Partly Sunny
Partly Cloudy
Tuesday Night
56°F - Partly Cloudy
Mostly Sunny
Wednesday
60°F - Mostly Sunny
Partly Cloudy
Wednesday Night
57°F - Partly Cloudy
Mostly Sunny
Thursday
62°F - Mostly Sunny

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:11 PM
Sunset: 7:46 PM
Daylight: 13 hrs 10 mins
Moonrise: 7:38 PM
Moon Transit: 12:33 AM
Moonset: 6:01 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 AM
7:57 AM - 10:27 AM

Minor Periods

7:08 PM - 8:38 PM
5:31 AM - 7:01 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:11 PM
Sunset: 7:46 PM
Daylight: 13 hrs 10 mins
Moonrise: 7:38 PM
Moon Transit: 12:33 AM
Moonset: 6:01 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 AM
7:57 AM - 10:27 AM

Minor Periods

7:08 PM - 8:38 PM
5:31 AM - 7:01 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:10 PM
Sunset: 7:44 PM
Daylight: 13 hrs 8 mins
Moonrise: 8:02 PM
Moon Transit: 1:17 AM
Moonset: 7:05 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:47 AM - 3:17 AM
8:41 AM - 11:11 AM

Minor Periods

7:32 PM - 9:02 PM
6:35 AM - 8:05 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:10 PM
Sunset: 7:44 PM
Daylight: 13 hrs 8 mins
Moonrise: 8:02 PM
Moon Transit: 1:17 AM
Moonset: 7:05 AM
Moon Phase: Full
Moon Illumination: 98.7%

Best Times for Fishing or Hunting

Major Periods

12:47 AM - 3:17 AM
8:41 AM - 11:11 AM

Minor Periods

7:32 PM - 9:02 PM
6:35 AM - 8:05 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:10 PM
Sunset: 7:43 PM
Daylight: 13 hrs 5 mins
Moonrise: 8:26 PM
Moon Transit: 9:49 PM
Moonset: 8:09 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

9:25 AM - 11:55 AM
9:19 PM - 11:49 PM

Minor Periods

7:56 PM - 9:26 PM
7:39 AM - 9:09 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:10 PM
Sunset: 7:43 PM
Daylight: 13 hrs 5 mins
Moonrise: 8:26 PM
Moon Transit: 9:49 PM
Moonset: 8:09 AM
Moon Phase: Full
Moon Illumination: 95.0%

Best Times for Fishing or Hunting

Major Periods

9:25 AM - 11:55 AM
9:19 PM - 11:49 PM

Minor Periods

7:56 PM - 9:26 PM
7:39 AM - 9:09 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:10 PM
Sunset: 7:41 PM
Daylight: 13 hrs 3 mins
Moonrise: 8:51 PM
Moon Transit: 12:00 AM
Moonset: 9:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:21 PM - 9:51 PM
8:44 AM - 10:14 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:10 PM
Sunset: 7:41 PM
Daylight: 13 hrs 3 mins
Moonrise: 8:51 PM
Moon Transit: 12:00 AM
Moonset: 9:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

8:21 PM - 9:51 PM
8:44 AM - 10:14 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:09 PM
Sunset: 7:40 PM
Daylight: 13 hrs 1 mins
Moonrise: 9:18 PM
Moon Transit: 3:30 AM
Moonset: 10:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:00 AM - 5:30 AM
10:56 AM - 1:26 PM

Minor Periods

8:48 PM - 10:18 PM
9:52 AM - 11:22 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:09 PM
Sunset: 7:40 PM
Daylight: 13 hrs 1 mins
Moonrise: 9:18 PM
Moon Transit: 3:30 AM
Moonset: 10:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.9%

Best Times for Fishing or Hunting

Major Periods

3:00 AM - 5:30 AM
10:56 AM - 1:26 PM

Minor Periods

8:48 PM - 10:18 PM
9:52 AM - 11:22 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:09 PM
Sunset: 7:38 PM
Daylight: 12 hrs 58 mins
Moonrise: 9:50 PM
Moon Transit: 4:19 AM
Moonset: 11:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
11:46 AM - 2:16 PM

Minor Periods

9:20 PM - 10:50 PM
11:02 AM - 12:32 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:09 PM
Sunset: 7:38 PM
Daylight: 12 hrs 58 mins
Moonrise: 9:50 PM
Moon Transit: 4:19 AM
Moonset: 11:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.2%

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
11:46 AM - 2:16 PM

Minor Periods

9:20 PM - 10:50 PM
11:02 AM - 12:32 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:09 PM
Sunset: 7:37 PM
Daylight: 12 hrs 56 mins
Moonrise: 10:29 PM
Moon Transit: 5:11 AM
Moonset: 12:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
12:40 AM - 3:10 PM

Minor Periods

9:59 PM - 11:29 PM
12:15 AM - 1:45 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 1:09 PM
Sunset: 7:37 PM
Daylight: 12 hrs 56 mins
Moonrise: 10:29 PM
Moon Transit: 5:11 AM
Moonset: 12:45 AM
Moon Phase: Waning Gibbous
Moon Illumination: 60.5%

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
12:40 AM - 3:10 PM

Minor Periods

9:59 PM - 11:29 PM
12:15 AM - 1:45 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 1:08 PM
Sunset: 7:35 PM
Daylight: 12 hrs 54 mins
Moonrise: 11:17 PM
Moon Transit: 6:08 AM
Moonset: 1:57 PM
Moon Phase: Last Quarter
Moon Illumination: 49.2%

Best Times for Fishing or Hunting

Major Periods

5:38 AM - 8:08 AM
1:38 PM - 4:08 PM

Minor Periods

12:00 AM - 12:00 AM
1:27 PM - 2:57 PM

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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