Water Temperature of San Francisco Bay in Alameda, CA

Current Water Temperature

67.1°F

Measurement Time: Monday, October 13, 2025, 1:18 AM PDT

Today's Tides

 High: October 13, 7:06 AM, 5.24 ft
Low: October 13, 11:54 AM, 3.47 ft
 High: October 13, 5:30 PM, 6.27 ft

Temperature Locations

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Local Points of Interest

USS Hornet; Naval Air Station Alameda; Encinal Beach; Oakland, CA

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San Francisco Bay

Station Name: Alameda
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet / 0 meters

Sensor Depth: -3.9 feet / -1.2 meters

Nearest Address:
26 W Hornet Ave
Alameda, CA 94501
Alameda County

GPS Coordinates: 37.771700, -122.300000

Nearby Water Temperatures

San Francisco Bay, San Francisco, CA (5.7 mi)
San Francisco Bay, San Francisco, CA (7.7 mi)
San Francisco Bay, San Francisco, CA (9.4 mi)
San Francisco Bay, San Mateo, CA (10.2 mi)
San Francisco Bay, Richmond, CA (12.1 mi)
Rodeo Pond, Sausalito, CA (13.0 mi)
Rodeo Lagoon, Sausalito, CA (13.1 mi)
Rodeo Lagoon, Sausalito, CA (13.4 mi)
San Francisco Bay, San Rafael, CA (13.8 mi)
Redwood Creek, Redwood City, CA (19.0 mi)
Carquinez Strait, Martinez, CA (20.5 mi)
San Francisco Bay, Menlo Park, CA (20.9 mi)
Suisun Bay, Concord, CA (24.2 mi)
Coyote Creek, Alviso, CA (26.1 mi)
Pacific Ocean, San Francisco, CA (29.5 mi)

Weather for Alameda, California

Current Weather

59.7°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 72%
Feels Like: 59.7°F
Wind: WNW 10.1 mph
Wind Gusts: 13.3 mph
Pressure: 29.75 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Moderate rain
Mon
H: 63°F
L: 53°F
Overcast
Tue
H: 61°F
L: 53°F
Sunny
Wed
H: 64°F
L: 53°F
Sunny
Thu
H: 68°F
L: 55°F
Sunny
Fri
H: 72°F
L: 58°F

Air Quality

PM2.5: 4.95 μg/m3
PM10: 6.45 μg/m3
Carbon Monoxide: 166.85 μg/m3
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:55 AM
Sunset: 6:34 PM
Daylight: 11 hrs 18 mins
Moonrise: 12:09 AM
Moon Transit: 7:01 AM
Moonset: 2:47 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

6:31 AM - 9:01 AM
2:31 PM - 5:01 PM

Minor Periods

2:17 PM - 3:47 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, October 13, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 57.1°F
Average Humidity: 79%
Chance of Rain: 89%
Wind: 14.5 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 4.54 μg/m3
PM10: 5.79 μg/m3
Carbon Monoxide: 153.09 μg/m3
Nitrogen Dioxide: 4.69 μg/m3
Sulphur Dioxide: 2.79 μg/m3
Ozone: 76.92 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:55 AM
Sunset: 6:34 PM
Daylight: 11 hrs 18 mins
Moonrise: 12:09 AM
Moon Transit: 7:01 AM
Moonset: 2:47 PM
Moon Phase: Last Quarter
Moon Illumination: 51.1%

Best Times for Fishing or Hunting

Major Periods

6:31 AM - 9:01 AM
2:31 PM - 5:01 PM

Minor Periods

2:17 PM - 3:47 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, October 14, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 55.5°F
Average Humidity: 75%
Chance of Rain: 0%
Wind: 4.9 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 7.42 μg/m3
PM10: 9.44 μg/m3
Carbon Monoxide: 171.09 μg/m3
Nitrogen Dioxide: 9.99 μg/m3
Sulphur Dioxide: 2.86 μg/m3
Ozone: 63.48 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:55 AM
Sunset: 6:33 PM
Daylight: 11 hrs 16 mins
Moonrise: 12:19 AM
Moon Transit: 7:57 AM
Moonset: 3:25 PM
Moon Phase: Last Quarter
Moon Illumination: 39.8%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
3:26 PM - 5:56 PM

Minor Periods

2:55 PM - 4:25 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, October 15, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 58.2°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 0.9

Air Quality

AQI: 2 - Moderate
PM2.5: 18.27 μg/m3
PM10: 19.94 μg/m3
Carbon Monoxide: 236.85 μg/m3
Nitrogen Dioxide: 31.55 μg/m3
Sulphur Dioxide: 3.47 μg/m3
Ozone: 42.08 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:54 AM
Sunset: 6:31 PM
Daylight: 11 hrs 14 mins
Moonrise: 1:29 AM
Moon Transit: 8:48 AM
Moonset: 3:57 PM
Moon Phase: Last Quarter
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

8:18 AM - 10:48 AM
4:15 PM - 6:45 PM

Minor Periods

3:27 PM - 4:57 PM
12:59 AM - 2:29 AM

Action Rating: 3 out of 5

Thursday, October 16, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.8°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 1

Air Quality

AQI: 1 - Good
PM2.5: 7.93 μg/m3
PM10: 9.12 μg/m3
Carbon Monoxide: 201.39 μg/m3
Nitrogen Dioxide: 15.43 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 48.38 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:54 AM
Sunset: 6:30 PM
Daylight: 11 hrs 11 mins
Moonrise: 2:36 AM
Moon Transit: 9:35 AM
Moonset: 4:24 PM
Moon Phase: Last Quarter
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

5:00 PM - 7:30 PM
9:05 AM - 11:35 AM

Minor Periods

3:54 PM - 5:24 PM
2:06 AM - 3:36 AM

Action Rating: 2 out of 5

Friday, October 17, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 62.1°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 3.6 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: 7:20 AM
Sun Transit: 12:54 AM
Sunset: 6:29 PM
Daylight: 11 hrs 9 mins
Moonrise: 3:39 AM
Moon Transit: 10:18 AM
Moonset: 4:47 PM
Moon Phase: Waning Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

5:43 PM - 8:13 PM
9:48 AM - 12:18 AM

Minor Periods

4:17 PM - 5:47 PM
3:09 AM - 4:39 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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