Water Temperature of San Francisco Bay in San Mateo, CA

Current Water Temperature

57.2°F

Measurement Time: Wednesday, March 4, 2020, 11:45 PM PST

Temperature Locations

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Local Points of Interest

San Mateo-Hayward Bridge; Foster City, CA; Burlingame, CA; Hayward, CA

San Francisco Bay

Station Name: SAN FRANCISCO BAY 2.8 MI N OF SAN MATEO BRIDGE CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
San Francisco Bay
San Mateo, CA 94401
San Mateo County

GPS Coordinates: 37.63078889, -122.2432

Nearby Water Temperatures

Redwood Creek, Redwood City, CA (8.8 mi)
San Francisco Bay, Alameda, CA (10.2 mi)
San Francisco Bay, Menlo Park, CA (11 mi)
San Francisco Bay, San Francisco, CA (14.6 mi)
Coyote Creek, Alviso, CA (16.6 mi)
San Francisco Bay, San Francisco, CA (16.7 mi)
San Francisco Bay, San Francisco, CA (17.2 mi)
Rodeo Pond, Sausalito, CA (20.7 mi)
Rodeo Lagoon, Sausalito, CA (20.8 mi)
Rodeo Lagoon, Sausalito, CA (21 mi)
San Francisco Bay, Richmond, CA (22.3 mi)
Coyote Creek, San Jose, CA (22.5 mi)
San Francisco Bay, San Rafael, CA (23.8 mi)
Arroyo Valle, Livermore, CA (26.5 mi)
Arroyo Hondo, San Jose, CA (28.5 mi)

Weather for San Mateo, California

Current Weather

59.5°F
Sunny
Sunny
59.5°F
62.3°F
67%
NNE 4.3 mph
5.3 mph
62.2°F
44.2°F
0 in
0%
6 mi
1019 mbar
2.5

Five Day Weather Forecast

Sunny
Thu
H: 80°F
L: 46°F
Overcast
Fri
H: 74°F
L: 53°F
Partly Cloudy
Sat
H: 66°F
L: 47°F
Cloudy
Sun
H: 68°F
L: 49°F
Partly Cloudy
Mon
H: 63°F
L: 53°F

Air Quality

AQI: 2 - Moderate
PM2.5: 12.35 μg/m3
PM10: 15.05 μg/m3
Carbon Monoxide: 181.85 μg/m3
Nitrogen Dioxide: 14.65 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 85 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 1:14 PM
Sunset: 7:26 PM
Daylight: 12 hrs 23 mins
Moonrise: 12:51 AM
Moon Transit: 8:36 PM
Moonset: 3:27 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

3:08 AM - 5:38 AM
8:06 PM - 10:36 PM

Minor Periods

12:21 AM - 1:51 PM
2:57 AM - 4:27 AM

Action Rating: 2 out of 5

Thursday, March 26, 2026

Weather Forecast

Sunny
79.7°F
46.2°F
61.2°F
51%
0 in
0%
0%
8.1 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 9.06 μg/m3
PM10: 11.29 μg/m3
Carbon Monoxide: 172.69 μg/m3
Nitrogen Dioxide: 11.21 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 72.28 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 1:14 PM
Sunset: 7:26 PM
Daylight: 12 hrs 23 mins
Moonrise: 12:51 AM
Moon Transit: 8:36 PM
Moonset: 3:27 AM
Moon Phase: First Quarter
Moon Illumination: 56.4%

Best Times for Fishing or Hunting

Major Periods

3:08 AM - 5:38 AM
8:06 PM - 10:36 PM

Minor Periods

12:21 AM - 1:51 PM
2:57 AM - 4:27 AM

Action Rating: 2 out of 5

Friday, March 27, 2026

Weather Forecast

Overcast
74.3°F
53.4°F
60.7°F
61%
0 in
0%
0%
6.7 mph
1.6


Air Quality

AQI: 2 - Moderate
PM2.5: 17.03 μg/m3
PM10: 20.26 μg/m3
Carbon Monoxide: 228.77 μg/m3
Nitrogen Dioxide: 26.03 μg/m3
Sulphur Dioxide: 4.05 μg/m3
Ozone: 51.92 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 1:14 PM
Sunset: 7:27 PM
Daylight: 12 hrs 26 mins
Moonrise: 2:03 PM
Moon Transit: 9:31 PM
Moonset: 4:13 AM
Moon Phase: First Quarter
Moon Illumination: 67.4%

Best Times for Fishing or Hunting

Major Periods

4:06 AM - 6:36 AM
9:01 PM - 11:31 PM

Minor Periods

1:33 PM - 3:03 PM
3:43 AM - 5:13 AM

Action Rating: 3 out of 5

Saturday, March 28, 2026

Weather Forecast

Partly Cloudy
65.7°F
46.8°F
54.6°F
80%
0 in
0%
0%
7.8 mph
1.5


Air Quality

AQI: 2 - Moderate
PM2.5: 15.91 μg/m3
PM10: 20.84 μg/m3
Carbon Monoxide: 229.53 μg/m3
Nitrogen Dioxide: 17.05 μg/m3
Sulphur Dioxide: 3.6 μg/m3
Ozone: 77.44 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 1:13 PM
Sunset: 7:28 PM
Daylight: 12 hrs 28 mins
Moonrise: 3:14 PM
Moon Transit: 10:22 PM
Moonset: 4:49 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 77.5%

Best Times for Fishing or Hunting

Major Periods

5:00 AM - 7:30 AM
12:00 AM - 12:00 AM

Minor Periods

2:44 PM - 4:14 PM
4:19 AM - 5:49 AM

Action Rating: 3 out of 5

Sunday, March 29, 2026

Weather Forecast

Cloudy
68.2°F
48.9°F
57.6°F
70%
0 in
0%
0%
8.5 mph
1.5


Air Quality

AQI: 2 - Moderate
PM2.5: 21.21 μg/m3
PM10: 23.89 μg/m3
Carbon Monoxide: 196.8 μg/m3
Nitrogen Dioxide: 37.65 μg/m3
Sulphur Dioxide: 5.25 μg/m3
Ozone: 48.32 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:13 PM
Sunset: 7:29 PM
Daylight: 12 hrs 30 mins
Moonrise: 4:22 PM
Moon Transit: 11:09 PM
Moonset: 5:19 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.2%

Best Times for Fishing or Hunting

Major Periods

5:49 AM - 8:19 AM
12:00 AM - 12:00 AM

Minor Periods

3:52 PM - 5:22 PM
4:49 AM - 6:19 AM

Action Rating: 2 out of 5

Monday, March 30, 2026

Weather Forecast

Partly Cloudy
62.6°F
53.2°F
57.1°F
53%
0 in
0%
0%
10.1 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 20.57 μg/m3
PM10: 23.2 μg/m3
Carbon Monoxide: 280.87 μg/m3
Nitrogen Dioxide: 47.81 μg/m3
Sulphur Dioxide: 5.82 μg/m3
Ozone: 31.77 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:13 PM
Sunset: 7:30 PM
Daylight: 12 hrs 33 mins
Moonrise: 5:27 PM
Moon Transit: 11:53 PM
Moonset: 5:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

6:35 AM - 9:05 AM
12:00 AM - 12:00 AM

Minor Periods

4:57 PM - 6:27 PM
5:15 AM - 6:45 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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