Water Temperature of San Francisco Bay in San Francisco, CA

Current Water Temperature

62.1°F

Measurement Time: Thursday, July 30, 2026, 2:45 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

56.7°F
Clear
Clear
52°F
56.7°F
84%
SW 9.8 mph
15.8 mph
56.5°F
52°F
0 in
10%
6 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 75°F
L: 55°F
Sunny
Fri
H: 66°F
L: 53°F
Sunny
Sat
H: 67°F
L: 57°F
Sunny
Sun
H: 67°F
L: 56°F
Sunny
Mon
H: 69°F
L: 56°F

Air Quality

AQI: 1 - Good
PM2.5: 11.8 μg/m3
PM10: 17.9 μg/m3
Carbon Monoxide: 102 μg/m3
Nitrogen Dioxide: 13.4 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:16 PM
Sunset: 8:20 PM
Daylight: 14 hrs 9 mins
Moonrise: 9:10 PM
Moon Transit: 1:52 AM
Moonset: 7:09 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
9:17 AM - 11:47 AM

Minor Periods

8:40 PM - 10:10 PM
6:39 AM - 8:09 AM

Action Rating: 5 out of 5

Small Craft Advisory issued July 30 at 8:55AM PDT until July 30 at 9:00PM PDT by NWS San Francisco CA

Effective: Thu July 30, 2026, 8:55 AM
Expires: Thu July 30, 2026, 5:00 PM

* WHAT...A moderate chop expected. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...From 2 PM this afternoon to 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 30 at 3:07PM PDT until July 30 at 9:00PM PDT by NWS San Francisco CA

Effective: Thu July 30, 2026, 3:07 PM
Expires: Thu July 30, 2026, 9:00 PM

* WHAT...A moderate chop. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 30 at 8:51PM PDT until July 30 at 9:00PM PDT by NWS San Francisco CA

Effective: Thu July 30, 2026, 8:51 PM
Expires: Thu July 30, 2026, 10:00 PM
Thursday, July 30, 2026

Weather Forecast

Sunny
74.8°F
54.5°F
62.2°F
79%
0 in
10%
0%
14.1 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 10.53 μg/m3
PM10: 16.03 μg/m3
Carbon Monoxide: 93.21 μg/m3
Nitrogen Dioxide: 8.04 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 45.13 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 1:16 PM
Sunset: 8:20 PM
Daylight: 14 hrs 9 mins
Moonrise: 9:10 PM
Moon Transit: 1:52 AM
Moonset: 7:09 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
9:17 AM - 11:47 AM

Minor Periods

8:40 PM - 10:10 PM
6:39 AM - 8:09 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Sunny
65.6°F
53.2°F
59.7°F
78%
0 in
10%
0%
13.2 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 10.83 μg/m3
PM10: 16.33 μg/m3
Carbon Monoxide: 94.46 μg/m3
Nitrogen Dioxide: 8.6 μg/m3
Sulphur Dioxide: 0.79 μg/m3
Ozone: 40.75 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:16 PM
Sunset: 8:19 PM
Daylight: 14 hrs 7 mins
Moonrise: 9:34 PM
Moon Transit: 2:36 AM
Moonset: 8:12 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
10:01 AM - 12:31 AM

Minor Periods

9:04 PM - 10:34 PM
7:42 AM - 9:12 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
67.2°F
56.5°F
61.5°F
79%
0 in
11%
0%
11 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 7.72 μg/m3
PM10: 11.6 μg/m3
Carbon Monoxide: 96.96 μg/m3
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 34.08 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:15 PM
Sunset: 8:18 PM
Daylight: 14 hrs 5 mins
Moonrise: 9:58 PM
Moon Transit: 3:19 AM
Moonset: 9:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:49 AM - 5:19 AM
10:44 AM - 1:14 PM

Minor Periods

9:28 PM - 10:58 PM
8:44 AM - 10:14 AM

Action Rating: 2 out of 5

Sunday, August 2, 2026

Weather Forecast

Sunny
67.1°F
56.2°F
61.2°F
78%
0 in
11%
0%
10.7 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 9.49 μg/m3
PM10: 14.45 μg/m3
Carbon Monoxide: 94.33 μg/m3
Nitrogen Dioxide: 7.83 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 39.63 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:15 PM
Sunset: 8:17 PM
Daylight: 14 hrs 3 mins
Moonrise: 10:21 PM
Moon Transit: 3:50 PM
Moonset: 10:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

11:27 AM - 1:57 PM
3:20 PM - 5:50 PM

Minor Periods

9:51 PM - 11:21 PM
9:48 AM - 11:18 AM

Action Rating: 2 out of 5

Monday, August 3, 2026

Weather Forecast

Sunny
69.1°F
56.1°F
61.7°F
75%
0 in
7%
0%
11.2 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 11.54 μg/m3
PM10: 17.47 μg/m3
Carbon Monoxide: 98.69 μg/m3
Nitrogen Dioxide: 9.35 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 41.13 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

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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