Water Temperature of San Francisco Bay in San Francisco, CA

Current Water Temperature

63.7°F

Measurement Time: Sunday, August 2, 2026, 3:45 PM PDT

Temperature Locations

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Local Points of Interest

The Embarcadero; Telegraph Hill

San Francisco Bay

Station Name: SAN FRANCISCO BAY A PIER 17 A SAN FRANCISCO CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 23 feet

Nearest Address:
Pier 17
San Francisco, CA 94111
San Francisco County

GPS Coordinates: 37.80305, -122.3973083

Nearby Water Temperatures

San Francisco Bay, San Francisco, CA (2.1 mi)
San Francisco Bay, San Francisco, CA (3.8 mi)
San Francisco Bay, Alameda, CA (5.7 mi)
Rodeo Pond, Sausalito, CA (7.2 mi)
Rodeo Lagoon, Sausalito, CA (7.4 mi)
Rodeo Lagoon, Sausalito, CA (7.7 mi)
San Francisco Bay, Richmond, CA (8.7 mi)
San Francisco Bay, San Rafael, CA (9.5 mi)
San Francisco Bay, San Mateo, CA (14.6 mi)
Carquinez Strait, Martinez, CA (21.8 mi)
Redwood Creek, Redwood City, CA (22.9 mi)
Pacific Ocean, San Francisco, CA (24.4 mi)
San Francisco Bay, Menlo Park, CA (25.6 mi)
Suisun Bay, Concord, CA (26.2 mi)
Coyote Creek, Alviso, CA (31.1 mi)

Weather for San Francisco, California

Current Weather

57.2°F
Clear
Clear
53.8°F
57.2°F
85%
SW 7.6 mph
12.6 mph
57.6°F
52.6°F
0 in
5%
6 mi
1008 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 83°F
L: 55°F
Sunny
Tue
H: 70°F
L: 58°F
Sunny
Wed
H: 67°F
L: 58°F
Sunny
Thu
H: 69°F
L: 58°F
Sunny
Fri
H: 69°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 10.9 μg/m3
PM10: 16.8 μg/m3
Carbon Monoxide: 92 μg/m3
Nitrogen Dioxide: 15.4 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 33 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:15 PM
Sunset: 8:16 PM
Daylight: 14 hrs 1 mins
Moonrise: 10:46 PM
Moon Transit: 12:00 AM
Moonset: 11:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

10:16 PM - 11:46 PM
10:52 AM - 12:22 AM

Action Rating: 2 out of 5

Gale Warning issued August 2 at 2:05PM PDT until August 3 at 3:00AM PDT by NWS San Francisco CA

Effective: Sun August 2, 2026, 2:05 PM
Expires: Sun August 2, 2026, 10:15 PM

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and seas 10 to 14 ft. * WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM. * WHEN...Until 3 AM PDT Monday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Monday, August 3, 2026

Weather Forecast

Sunny
82.9°F
54.5°F
64.4°F
71%
0 in
6%
0%
13 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 12.21 μg/m3
PM10: 18.43 μg/m3
Carbon Monoxide: 94.46 μg/m3
Nitrogen Dioxide: 10.13 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 44.54 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:15 PM
Sunset: 8:16 PM
Daylight: 14 hrs 1 mins
Moonrise: 10:46 PM
Moon Transit: 12:00 AM
Moonset: 11:22 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

10:16 PM - 11:46 PM
10:52 AM - 12:22 AM

Action Rating: 2 out of 5

Tuesday, August 4, 2026

Weather Forecast

Sunny
69.6°F
57.8°F
62.8°F
77%
0 in
8%
0%
13.4 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 12.99 μg/m3
PM10: 18.71 μg/m3
Carbon Monoxide: 95.29 μg/m3
Nitrogen Dioxide: 9.64 μg/m3
Sulphur Dioxide: 1.13 μg/m3
Ozone: 61.13 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:15 PM
Sunset: 8:15 PM
Daylight: 13 hrs 59 mins
Moonrise: 11:14 PM
Moon Transit: 5:32 AM
Moonset: 12:30 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
12:58 AM - 3:28 PM

Minor Periods

12:00 AM - 12:00 AM
12:00 AM - 1:30 PM

Action Rating: 2 out of 5

Wednesday, August 5, 2026

Weather Forecast

Sunny
67.4°F
58.1°F
62.1°F
80%
0 in
17%
0%
13.6 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 15.07 μg/m3
PM10: 20.17 μg/m3
Carbon Monoxide: 112.25 μg/m3
Nitrogen Dioxide: 9.04 μg/m3
Sulphur Dioxide: 1.21 μg/m3
Ozone: 74.21 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 1:15 PM
Sunset: 8:14 PM
Daylight: 13 hrs 57 mins
Moonrise: 12:14 AM
Moon Transit: 6:21 AM
Moonset: 1:40 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:51 AM - 8:21 AM
1:49 PM - 4:19 PM

Minor Periods

1:10 PM - 2:40 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
69.2°F
58.2°F
62.3°F
80%
0 in
10%
0%
10.5 mph
9.6


Air Quality

AQI: 2 - Moderate
PM2.5: 15.93 μg/m3
PM10: 20.11 μg/m3
Carbon Monoxide: 137.46 μg/m3
Nitrogen Dioxide: 8.53 μg/m3
Sulphur Dioxide: 1.58 μg/m3
Ozone: 85.29 μg/m3

Astronomical

Sunrise: 6:18 AM
Sun Transit: 1:15 PM
Sunset: 8:13 PM
Daylight: 13 hrs 55 mins
Moonrise: 12:48 AM
Moon Transit: 7:15 AM
Moonset: 2:54 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:45 AM - 9:15 AM
2:44 PM - 5:14 PM

Minor Periods

2:24 PM - 3:54 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, August 7, 2026

Weather Forecast

Sunny
69.2°F
56.2°F
61.4°F
79%
0 in
11%
0%
10.5 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 11.85 μg/m3
PM10: 15.43 μg/m3
Carbon Monoxide: 176.5 μg/m3
Nitrogen Dioxide: 8.08 μg/m3
Sulphur Dioxide: 1.38 μg/m3
Ozone: 67.83 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 1:15 PM
Sunset: 8:12 PM
Daylight: 13 hrs 53 mins
Moonrise: 12:30 AM
Moon Transit: 8:14 AM
Moonset: 4:07 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:44 AM - 10:14 AM
3:45 PM - 6:15 PM

Minor Periods

3:37 PM - 5:07 PM
12:00 AM - 1:30 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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