Water Temperature of San Francisco Bay in San Francisco, CA
Current Water Temperature
Measurement Time: Monday, October 20, 2025, 6:00 AM PDT
Temperature Locations
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Local Points of Interest
The Embarcadero; Telegraph HillSponsored Content
Station Name: SAN FRANCISCO BAY A PIER 17 A SAN FRANCISCO CA
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 23 feet / 7 meters
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

Humidity: 33%
Feels Like: 76.1°F
Wind: NE 5.8 mph
Wind Gusts: 10 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 4.1
Five Day Weather Forecast

Mon
H: 82°F
L: 53°F

Tue
H: 64°F
L: 55°F

Wed
H: 58°F
L: 54°F

Thu
H: 62°F
L: 55°F

Fri
H: 64°F
L: 57°F
Air Quality
Nitrogen Dioxide: 70.35 μg/m3
Sulphur Dioxide: 4.55 μg/m3
Ozone: 15 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 6:25 PM
Daylight: 11 hrs 2 mins
Moon Transit: 12:20 AM
Moonset: 5:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
7:44 PM - 10:14 PM11:50 AM - 2:20 PM
Minor Periods
5:23 PM - 6:53 PM6:10 AM - 7:40 AM
Action Rating: 4 out of 5
Beach Hazards Statement issued October 20 at 1:50AM PDT until October 20 at 8:00PM PDT by NWS San Francisco CA
Effective: Mon October 20, 2025, 1:50 AM
Expires: Mon October 20, 2025, 3:00 PM
* WHAT...A long period northwesterly swell will result in an increased risk for sneaker waves and rip currents. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...Through 8 PM this evening. * IMPACTS...Sneaker waves can unexpectedly run significantly farther up the beach than normal, including over rocks and jetties. Rip currents are typically more frequent and stronger in the vicinity of jetties, inlets, and piers. Swimmers should always swim near a lifeguard. * ADDITIONAL DETAILS...Another long period northwest swell arrives Tuesday into Wednesday, which may lead to another Beach Hazards Statement or High Surf Advisory.
Remain out of the water to avoid hazardous swimming conditions.
Weather Forecast
Average Temperature: 64.8°F
Average Humidity: 63%
Wind: 6.7 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 29.08 μg/m3
Sulphur Dioxide: 5.22 μg/m3
Ozone: 50.68 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 6:25 PM
Daylight: 11 hrs 2 mins
Moon Transit: 12:20 AM
Moonset: 5:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
7:44 PM - 10:14 PM11:50 AM - 2:20 PM
Minor Periods
5:23 PM - 6:53 PM6:10 AM - 7:40 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 60.9°F
Average Humidity: 79%
Wind: 10.5 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 61.95 μg/m3
Sulphur Dioxide: 4.79 μg/m3
Ozone: 31.92 μg/m3
Astronomical
Sun Transit: 12:54 AM
Sunset: 6:24 PM
Daylight: 11 hrs mins
Moon Transit: 1:02 PM
Moonset: 6:17 PM
Moon Phase: New
Moon Illumination: 1.2%
Best Times for Fishing or Hunting
Major Periods
8:26 PM - 10:56 PM12:32 AM - 3:02 PM
Minor Periods
5:47 PM - 7:17 PM7:10 AM - 8:40 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 56.1°F
Average Humidity: 92%
Wind: 13 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 16.39 μg/m3
Sulphur Dioxide: 3.26 μg/m3
Ozone: 69.08 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 6:22 PM
Daylight: 10 hrs 57 mins
Moon Transit: 1:45 PM
Moonset: 6:45 PM
Moon Phase: New
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
9:11 PM - 11:41 PM1:15 PM - 3:45 PM
Minor Periods
6:15 PM - 7:45 PM8:11 AM - 9:41 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 57.7°F
Average Humidity: 84%
Wind: 8.1 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 7.55 μg/m3
Sulphur Dioxide: 3.07 μg/m3
Ozone: 75.48 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 6:21 PM
Daylight: 10 hrs 55 mins
Moon Transit: 2:31 PM
Moonset: 7:16 PM
Moon Phase: New
Moon Illumination: 1.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:01 PM - 4:31 PM
Minor Periods
6:46 PM - 8:16 PM9:12 AM - 10:42 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 60.1°F
Average Humidity: 76%
Wind: 11 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 14.6 μg/m3
Sulphur Dioxide: 2.72 μg/m3
Ozone: 59.31 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 6:20 PM
Daylight: 10 hrs 53 mins
Moon Transit: 3:20 PM
Moonset: 7:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:50 PM - 5:20 PM
Minor Periods
7:25 PM - 8:55 PM10:13 AM - 11:43 AM
Action Rating: 2 out of 5