Water Temperature of San Francisco Bay in San Francisco, CA

Current Water Temperature

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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
Partly cloudy
Partly cloudy
61°F
61.9°F
56%
W 14.5 mph
16.7 mph
61.6°F
52.2°F
0 in
50%
9 mi
1023 mbar
5.1

Five Day Weather Forecast

Sunny
Tue
H: 63°F
L: 48°F
Partly Cloudy
Wed
H: 57°F
L: 49°F
Sunny
Thu
H: 64°F
L: 48°F
Sunny
Fri
H: 64°F
L: 51°F
Sunny
Sat
H: 65°F
L: 51°F

Air Quality

AQI: 1 - Good
PM2.5: 9.15 μg/m3
PM10: 13.15 μg/m3
Carbon Monoxide: 175.85 μg/m3
Nitrogen Dioxide: 9.25 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:09 PM
Sunset: 7:45 PM
Daylight: 13 hrs 9 mins
Moonrise: 5:00 AM
Moon Transit: 10:53 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

6:19 PM - 8:49 PM
10:23 AM - 12:53 AM

Minor Periods

4:28 PM - 5:58 PM
4:30 AM - 6:00 AM

Action Rating: 2 out of 5

Tuesday, April 14, 2026

Weather Forecast

Sunny
63.3°F
48.2°F
54.1°F
81%
0 in
0%
0%
17 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 7.63 μg/m3
PM10: 10.89 μg/m3
Carbon Monoxide: 168.77 μg/m3
Nitrogen Dioxide: 6.47 μg/m3
Sulphur Dioxide: 2.25 μg/m3
Ozone: 86.88 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:09 PM
Sunset: 7:45 PM
Daylight: 13 hrs 9 mins
Moonrise: 5:00 AM
Moon Transit: 10:53 AM
Moonset: 4:58 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

6:19 PM - 8:49 PM
10:23 AM - 12:53 AM

Minor Periods

4:28 PM - 5:58 PM
4:30 AM - 6:00 AM

Action Rating: 2 out of 5

Wednesday, April 15, 2026

Weather Forecast

Partly Cloudy
57.2°F
48.7°F
53.1°F
86%
0 in
0%
0%
17.2 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 10.55 μg/m3
PM10: 15.02 μg/m3
Carbon Monoxide: 165.37 μg/m3
Nitrogen Dioxide: 5.5 μg/m3
Sulphur Dioxide: 2.12 μg/m3
Ozone: 88.48 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:09 PM
Sunset: 7:46 PM
Daylight: 13 hrs 11 mins
Moonrise: 5:25 AM
Moon Transit: 8:33 AM
Moonset: 6:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

5:37 PM - 7:07 PM
4:55 AM - 6:25 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Sunny
63.9°F
47.8°F
55.7°F
59%
0 in
0%
0%
17.7 mph
1.6


Air Quality

AQI: 1 - Good
PM2.5: 8.8 μg/m3
PM10: 12.2 μg/m3
Carbon Monoxide: 160.45 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 2.36 μg/m3
Ozone: 93.08 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 1:09 PM
Sunset: 7:47 PM
Daylight: 13 hrs 13 mins
Moonrise: 5:51 AM
Moon Transit: 12:29 AM
Moonset: 7:20 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:56 PM - 10:26 PM
11:59 AM - 2:29 PM

Minor Periods

6:50 PM - 8:20 PM
5:21 AM - 6:51 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Sunny
63.9°F
51.4°F
56°F
54%
0 in
0%
0%
12.8 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 6.79 μg/m3
PM10: 8.09 μg/m3
Carbon Monoxide: 173.22 μg/m3
Nitrogen Dioxide: 11.4 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 80.08 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 1:09 PM
Sunset: 7:47 PM
Daylight: 13 hrs 16 mins
Moonrise: 6:21 AM
Moon Transit: 1:21 PM
Moonset: 8:36 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

8:50 PM - 11:20 PM
12:51 AM - 3:21 PM

Minor Periods

8:06 PM - 9:36 PM
5:51 AM - 7:21 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Sunny
64.9°F
51.2°F
57°F
64%
0 in
0%
0%
11 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 11.79 μg/m3
PM10: 15.26 μg/m3
Carbon Monoxide: 204.13 μg/m3
Nitrogen Dioxide: 17.67 μg/m3
Sulphur Dioxide: 2.92 μg/m3
Ozone: 73.23 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:08 PM
Sunset: 7:48 PM
Daylight: 13 hrs 18 mins
Moonrise: 6:55 AM
Moon Transit: 2:18 PM
Moonset: 9:54 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:48 PM - 4:18 PM

Minor Periods

9:24 PM - 10:54 PM
6:25 AM - 7:55 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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