Water Temperature of San Francisco Bay in Alameda, CA

Current Water Temperature

69.4°F

Measurement Time: Sunday, July 5, 2026, 3:00 AM PDT

Today's Tides

 High: July 5, 3:26 AM, 5.6 ft
Low: July 5, 10:02 AM, 0.2 ft
 High: July 5, 5:06 PM, 5.8 ft
Low: July 5, 10:52 PM, 2.4 ft

Temperature Locations

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Local Points of Interest

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

San Francisco Bay

Station Name: Alameda
Data Source: NOAA Tides and Currents

Elevation Above Sea Level: 0 feet

Sensor Depth: -4 feet

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 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 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

57°F
Partly cloudy
Partly cloudy
56.5°F
54°F
89%
WSW 4.9 mph
7.6 mph
53.3°F
53.4°F
0 in
75%
9 mi
1016 mbar
0

Five Day Weather Forecast

Fog
Sun
H: 68°F
L: 54°F
Sunny
Mon
H: 66°F
L: 57°F
Sunny
Tue
H: 66°F
L: 56°F
Sunny
Wed
H: 72°F
L: 55°F
Sunny
Thu
H: 73°F
L: 57°F

Air Quality

AQI: 1 - Good
PM2.5: 5.4 μg/m3
PM10: 7.4 μg/m3
Carbon Monoxide: 88 μg/m3
Nitrogen Dioxide: 5.2 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 38 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:13 PM
Sunset: 8:35 PM
Daylight: 14 hrs 42 mins
Moonrise: 12:29 AM
Moon Transit: 5:19 AM
Moonset: 11:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:49 AM - 7:19 AM
12:00 AM - 12:00 AM

Minor Periods

10:50 AM - 12:20 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, July 5, 2026

Weather Forecast

Fog
68.4°F
54°F
58.8°F
87%
0 in
19%
0%
11.6 mph
10.5


Air Quality

AQI: 1 - Good
PM2.5: 5.77 μg/m3
PM10: 8.04 μg/m3
Carbon Monoxide: 92.04 μg/m3
Nitrogen Dioxide: 3.68 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 48.33 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 1:13 PM
Sunset: 8:35 PM
Daylight: 14 hrs 42 mins
Moonrise: 12:29 AM
Moon Transit: 5:19 AM
Moonset: 11:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:49 AM - 7:19 AM
12:00 AM - 12:00 AM

Minor Periods

10:50 AM - 12:20 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, July 6, 2026

Weather Forecast

Sunny
66°F
56.7°F
60.2°F
74%
0 in
11%
0%
11.9 mph
10.3


Air Quality

AQI: 1 - Good
PM2.5: 7.02 μg/m3
PM10: 9.84 μg/m3
Carbon Monoxide: 91.71 μg/m3
Nitrogen Dioxide: 3.47 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 52.13 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:14 PM
Sunset: 8:34 PM
Daylight: 14 hrs 41 mins
Moonrise: 12:52 AM
Moon Transit: 10:15 AM
Moonset: 12:24 AM
Moon Phase: Last Quarter
Moon Illumination: 48.6%

Best Times for Fishing or Hunting

Major Periods

9:45 AM - 12:15 AM
9:45 AM - 12:15 AM

Minor Periods

11:54 AM - 1:24 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, July 7, 2026

Weather Forecast

Sunny
66°F
56.2°F
60°F
76%
0 in
17%
0%
10.7 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 8.7 μg/m3
PM10: 12.67 μg/m3
Carbon Monoxide: 93.79 μg/m3
Nitrogen Dioxide: 3.13 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 50.21 μg/m3

Astronomical

Sunrise: 5:54 AM
Sun Transit: 1:14 PM
Sunset: 8:34 PM
Daylight: 14 hrs 40 mins
Moonrise: 12:16 AM
Moon Transit: 12:00 AM
Moonset: 1:30 PM
Moon Phase: Last Quarter
Moon Illumination: 37.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:13 PM - 4:43 PM

Minor Periods

1:00 PM - 2:30 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 8, 2026

Weather Forecast

Sunny
72.2°F
55.2°F
62.1°F
70%
0 in
6%
0%
9.6 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 9.13 μg/m3
PM10: 12.8 μg/m3
Carbon Monoxide: 98.43 μg/m3
Nitrogen Dioxide: 5.1 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 44.38 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:14 PM
Sunset: 8:34 PM
Daylight: 14 hrs 39 mins
Moonrise: 12:43 AM
Moon Transit: 7:35 AM
Moonset: 2:40 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
3:02 PM - 5:32 PM

Minor Periods

2:10 PM - 3:40 PM
12:13 AM - 1:43 AM

Action Rating: 2 out of 5

Thursday, July 9, 2026

Weather Forecast

Sunny
73.1°F
56.5°F
63.2°F
72%
0 in
6%
0%
8.7 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 8.5 μg/m3
PM10: 10.73 μg/m3
Carbon Monoxide: 102 μg/m3
Nitrogen Dioxide: 14.07 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 20 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 1:14 PM
Sunset: 8:34 PM
Daylight: 14 hrs 38 mins
Moonrise: 1:13 AM
Moon Transit: 8:27 AM
Moonset: 3:53 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
3:56 PM - 6:26 PM

Minor Periods

3:23 PM - 4:53 PM
12:43 AM - 2:13 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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