What is the current water temperature in San Francisco?

As of now, in San Francisco, the water temperature is 27.39°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.

81.3

°F

February 22, 08:56

Trend:

stable

Yesterday:

81.3°F

Tomorrow:

81.3°F

Sunrise:

05:56

Sunset:

17:48

Day Length:

11 h. 52 min.

San Francisco in February

Minimum:

80.7°F

Average:

82.0°F

Maximum:

82.7°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 81.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.3°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

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 81.9°F on 2018, while the historical minimum was 79.4°F on 2019.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 81.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in San Francisco

Date	Current Year actual* / forecast**	last year	10 years average
Feb 8	82.2°F	81.3°F	81.2°F
Feb 9	82.5°F	81.5°F	81.3°F
Feb 10	82.5°F	81.2°F	81.2°F
Feb 11	82.5°F	81.3°F	81.3°F
Feb 12	82.4°F	80.6°F	81.2°F
Feb 13	82.4°F	81.2°F	81.3°F
Feb 14	82.2°F	81.2°F	81.2°F
Feb 15	82.0°F	81.6°F	81.1°F
Feb 16	81.0°F	81.3°F	81.0°F
Feb 17	81.4°F	81.3°F	81.1°F
Feb 18	81.5°F	81.3°F	81.1°F
Feb 19	81.4°F	81.0°F	81.0°F
Feb 20	81.4°F	80.9°F	81.1°F
Feb 21	81.3°F	80.9°F	81.0°F
Feb 22	81.3°F	81.2°F	81.0°F
Feb 23	81.3°F	81.1°F	80.9°F
Feb 24	81.4°F	81.4°F	81.0°F
Feb 25	81.3°F	80.9°F	81.0°F
Feb 26	81.2°F	80.8°F	80.9°F
Feb 27	81.3°F	81.1°F	81.0°F
Feb 28	81.3°F	81.0°F	81.0°F
Mar 1	81.8°F	32.0°F	81.0°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 October 7, 2023, reaching a 86.8°F. While the coldest temperature occurred on December 23, 2018, dipping to 78.5°F. The average readings by season are 81.8°F in Winter, 82.8°F in Spring, 84.9°F in Summer, and 84.6°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
San Francisco	81.7°F	18mi
San Francisco	81.9°F	27mi
San Jose	82.1°F	29mi
San Juan	82.1°F	38mi
Santa Monica	82.8°F	45mi
Madrid	82.8°F	51mi

* current water temperature in this city

** straight line distance from San Francisco