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

December 22, 13:01

Trend:

decreasing

Yesterday:

81.5°F

Tomorrow:

81.2°F

Sunrise:

06:02

Sunset:

17:25

Day Length:

11 h. 23 min.

San Francisco in December

Minimum:

77.4°F

Average:

79.5°F

Maximum:

81.1°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 0.7°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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 81.8°F on 2020, while the historical minimum was 78.9°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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 81.0°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
Dec 8	81.9°F	81.3°F	81.4°F
Dec 9	81.8°F	82.0°F	81.3°F
Dec 10	81.4°F	82.0°F	81.2°F
Dec 11	82.3°F	82.0°F	81.4°F
Dec 12	82.3°F	82.0°F	81.3°F
Dec 13	82.0°F	82.2°F	81.5°F
Dec 14	82.1°F	82.2°F	81.4°F
Dec 15	82.0°F	81.6°F	81.2°F
Dec 16	81.8°F	81.6°F	81.1°F
Dec 17	81.8°F	81.5°F	81.0°F
Dec 18	81.6°F	81.4°F	80.9°F
Dec 19	81.6°F	81.4°F	81.1°F
Dec 20	81.6°F	81.2°F	80.8°F
Dec 21	81.5°F	81.0°F	80.8°F
Dec 22	81.3°F	81.0°F	80.6°F
Dec 23	81.2°F	81.1°F	80.5°F
Dec 24	81.1°F	81.6°F	80.4°F
Dec 25	81.2°F	81.8°F	80.5°F
Dec 26	81.1°F	81.8°F	80.3°F
Dec 27	80.9°F	80.8°F	80.2°F
Dec 28	80.7°F	80.5°F	80.0°F
Dec 29	80.7°F	81.0°F	80.0°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 June 16, 2016, reaching a 87.0°F. While the coldest temperature occurred on February 2, 2014, dipping to 76.7°F. The average readings by season are 79.7°F in Winter, 81.3°F in Spring, 84.6°F in Summer, and 83.7°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Barcelona	81.9°F	19mi
San Francisco	82.1°F	23mi
Padang	82.5°F	35mi
Santo Domingo	82.5°F	36mi

* current water temperature in this city

** straight line distance from San Francisco