Water Temperature of San Francisco Bay in San Francisco, CA

Current Water Temperature

Current temperature data is
not available at this time.

Today's Tides

Low: October 17, 3:11 AM, 0.37 ft
 High: October 17, 10:05 AM, 5.49 ft
Low: October 17, 3:47 PM, 1.55 ft
 High: October 17, 9:46 PM, 5.08 ft

Temperature Locations

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Local Points of Interest

Golden Gate National Recreation Area; Golden Gate Bridge; Fort Point; Crissy Field; Presidio of San Francisco

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San Francisco Bay

Station Name: San Francisco
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet / 0 meters

Sensor Depth: -3.8 feet / -1.2 meters

Nearest Address:
Golden Gate National Recreation Area
San Francisco, CA 94129
San Francisco County

GPS Coordinates: 37.806306, -122.465889

Nearby Water Temperatures

San Francisco Bay, San Francisco, CA (2.8 mi)
Rodeo Pond, Sausalito, CA (3.7 mi)
San Francisco Bay, San Francisco, CA (3.8 mi)
Rodeo Lagoon, Sausalito, CA (3.8 mi)
Rodeo Lagoon, Sausalito, CA (4.0 mi)
San Francisco Bay, San Rafael, CA (9.0 mi)
San Francisco Bay, Richmond, CA (9.2 mi)
San Francisco Bay, Alameda, CA (9.4 mi)
San Francisco Bay, San Mateo, CA (17.2 mi)
Pacific Ocean, San Francisco, CA (20.7 mi)
Carquinez Strait, Martinez, CA (24.4 mi)
Redwood Creek, Redwood City, CA (25.0 mi)
San Francisco Bay, Menlo Park, CA (28.2 mi)
Suisun Bay, Concord, CA (28.9 mi)
Drakes Bay, Inverness, CA (30.6 mi)

Weather for San Francisco, California

Current Weather

54°F
Clear
Conditions: Clear
Humidity: 93%
Feels Like: 54.8°F
Wind: SSW 2.2 mph
Wind Gusts: 6.7 mph
Pressure: 30.01 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Fri
H: 64°F
L: 50°F
Fog
Sat
H: 65°F
L: 54°F
Fog
Sun
H: 61°F
L: 54°F
Sunny
Mon
H: 71°F
L: 59°F
Sunny
Tue
H: 69°F
L: 60°F

Air Quality

PM2.5: 22.75 μg/m3
PM10: 25.85 μg/m3
Carbon Monoxide: 349.85 μg/m3
Nitrogen Dioxide: 23.65 μg/m3
Sulphur Dioxide: 6.05 μg/m3
Ozone: 40 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:55 AM
Sunset: 6:29 PM
Daylight: 11 hrs 9 mins
Moonrise: 3:40 AM
Moon Transit: 10:19 AM
Moonset: 4:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

5:42 PM - 8:12 PM
9:49 AM - 12:19 AM

Minor Periods

4:18 PM - 5:48 PM
3:10 AM - 4:40 AM

Action Rating: 2 out of 5

Beach Hazards Statement issued October 16 at 2:16PM PDT until October 18 at 11:00PM PDT by NWS San Francisco CA

Effective: Thu October 16, 2025, 9:16 PM
Expires: Fri October 17, 2025, 12:00 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...From Friday evening through Saturday 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.

Remain out of the water to avoid hazardous swimming conditions.
Friday, October 17, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 55.4°F
Average Humidity: 88%
Chance of Rain: 0%
Wind: 7.4 mph
UV Index: 1

Air Quality

AQI: 2 - Moderate
PM2.5: 19.13 μg/m3
PM10: 21.24 μg/m3
Carbon Monoxide: 255.09 μg/m3
Nitrogen Dioxide: 23.47 μg/m3
Sulphur Dioxide: 5.71 μg/m3
Ozone: 55.64 μg/m3

Astronomical

Sunrise: 7:20 AM
Sun Transit: 12:55 AM
Sunset: 6:29 PM
Daylight: 11 hrs 9 mins
Moonrise: 3:40 AM
Moon Transit: 10:19 AM
Moonset: 4:48 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

5:42 PM - 8:12 PM
9:49 AM - 12:19 AM

Minor Periods

4:18 PM - 5:48 PM
3:10 AM - 4:40 AM

Action Rating: 2 out of 5

Saturday, October 18, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 57.4°F
Average Humidity: 92%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 1

Air Quality

AQI: 2 - Moderate
PM2.5: 31.69 μg/m3
PM10: 32.56 μg/m3
Carbon Monoxide: 419.17 μg/m3
Nitrogen Dioxide: 53.13 μg/m3
Sulphur Dioxide: 6.8 μg/m3
Ozone: 38 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:54 AM
Sunset: 6:28 PM
Daylight: 11 hrs 7 mins
Moonrise: 4:41 AM
Moon Transit: 11:00 AM
Moonset: 5:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

6:23 PM - 8:53 PM
10:30 AM - 1:00 PM

Minor Periods

4:39 PM - 6:09 PM
4:11 AM - 5:41 AM

Action Rating: 4 out of 5

Sunday, October 19, 2025

Weather Forecast

Conditions: Fog
Average Temperature: 56.8°F
Average Humidity: 94%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 1

Air Quality

AQI: 2 - Moderate
PM2.5: 21.13 μg/m3
PM10: 22.96 μg/m3
Carbon Monoxide: 284.45 μg/m3
Nitrogen Dioxide: 22.8 μg/m3
Sulphur Dioxide: 5.32 μg/m3
Ozone: 73.28 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:54 AM
Sunset: 6:27 PM
Daylight: 11 hrs 4 mins
Moonrise: 5:41 AM
Moon Transit: 11:40 AM
Moonset: 5:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

7:03 PM - 9:33 PM
11:10 AM - 1:40 PM

Minor Periods

5:01 PM - 6:31 PM
5:11 AM - 6:41 AM

Action Rating: 3 out of 5

Monday, October 20, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 63.6°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 6.9 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 6.91 μg/m3
PM10: 9.65 μg/m3
Carbon Monoxide: 147.23 μg/m3
Nitrogen Dioxide: 5.22 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 71.92 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:54 AM
Sunset: 6:25 PM
Daylight: 11 hrs 2 mins
Moonrise: 6:41 AM
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 PM
11:50 AM - 2:20 PM

Minor Periods

5:23 PM - 6:53 PM
6:11 AM - 7:41 AM

Action Rating: 4 out of 5

Tuesday, October 21, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.7°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 0

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: 7:24 AM
Sun Transit: 12:54 AM
Sunset: 6:24 PM
Daylight: 11 hrs mins
Moonrise: 7:40 AM
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 PM
12:32 AM - 3:02 PM

Minor Periods

5:47 PM - 7:17 PM
7:10 AM - 8:40 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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