What is the current water temperature in San Francisco?

As of now, in San Francisco, the water temperature is 27.97°C. It's safe to say that the water is comfortably warm for various water-related activities.

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Water temperature in San Francisco

Detailed information about the current water temperature in San Francisco. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

82.3

°F

March 15, 11:34

Trend:

stable

Yesterday:

82.3°F

Tomorrow:

82.5°F

Sunrise:

05:47

Sunset:

17:50

Day Length:

12 h. 3 min.

San Francisco in March

Minimum:

80.7°F

Average:

82.2°F

Maximum:

83.2°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 82.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.0°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 82.5°F on 2021, while the historical minimum was 79.7°F on 2015.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 82.7°F, with minimum temperature starting at 82.5°F, while the maximum might reach 83.0°F.

Daily water temperature in San Francisco

Date	Current Year actual* / forecast**	last year	10 years average
Mar 1	81.3°F	81.2°F	81.0°F
Mar 2	81.8°F	80.4°F	81.1°F
Mar 3	81.9°F	80.6°F	81.2°F
Mar 4	81.8°F	81.0°F	81.2°F
Mar 5	81.6°F	81.3°F	81.3°F
Mar 6	81.0°F	81.6°F	81.2°F
Mar 7	82.3°F	82.2°F	81.4°F
Mar 8	82.4°F	82.1°F	81.5°F
Mar 9	81.9°F	82.0°F	81.5°F
Mar 10	81.8°F	81.2°F	81.3°F
Mar 11	81.9°F	81.8°F	81.4°F
Mar 12	82.0°F	81.6°F	81.5°F
Mar 13	82.2°F	81.4°F	81.4°F
Mar 14	82.3°F	81.5°F	81.3°F
Mar 15	82.3°F	81.6°F	81.3°F
Mar 16	82.5°F	81.4°F	81.4°F
Mar 17	82.5°F	81.6°F	81.5°F
Mar 18	82.6°F	81.5°F	81.6°F
Mar 19	82.8°F	81.6°F	81.8°F
Mar 20	82.8°F	81.4°F	81.8°F
Mar 21	82.9°F	81.9°F	81.8°F
Mar 22	83.0°F	81.7°F	82.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in San Francisco by month

In San Francisco, the water temperature is comfortable for swimming all year round.

The warmest water in San Francisco was recorded on September 5, 2017, reaching a 86.6°F. While the coldest temperature occurred on January 18, 2015, dipping to 78.8°F. The average readings by season are 81.9°F in Winter, 82.9°F in Spring, 84.8°F in Summer, and 84.5°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
San Juan	82.6°F	14mi
San Francisco	82.4°F	27mi
San Jose	82.9°F	29mi
San Francisco	82.3°F	43mi
Trinidad	84.1°F	56mi

* current water temperature in this city

** straight line distance from San Francisco