All data are in degrees Fahrenheit

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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.
Sea temperature in San Francisco now

82.3

°F

March 15, 11:34

Trend:

increasing

Yesterday:

82.3°F

Tomorrow:

82.4°F

Sunrise:

05:46

Sunset:

17:49

Day Length:

12 h. 3 min.

San Francisco in March

Minimum:

81.0°F

Average:

82.1°F

Maximum:

83.1°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 1.1°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 82.3°F on 2018, while the historical minimum was 79.7°F on 2015.

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 82.6°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
Mar 1 81.2°F 80.9°F 80.9°F
Mar 2 81.4°F 80.6°F 81.1°F
Mar 3 81.8°F 80.8°F 81.1°F
Mar 4 81.7°F 80.5°F 81.1°F
Mar 5 81.6°F 80.5°F 81.1°F
Mar 6 81.8°F 80.8°F 81.2°F
Mar 7 82.0°F 81.0°F 81.2°F
Mar 8 81.2°F 81.2°F 81.1°F
Mar 9 82.0°F 81.1°F 81.3°F
Mar 10 82.0°F 81.1°F 81.2°F
Mar 11 82.0°F 80.2°F 81.1°F
Mar 12 81.7°F 81.2°F 81.3°F
Mar 13 82.5°F 81.2°F 81.4°F
Mar 14 82.3°F 80.9°F 81.2°F
Mar 15 82.3°F 81.2°F 81.2°F
Mar 16 82.4°F 81.1°F 81.3°F
Mar 17 82.5°F 81.0°F 81.4°F
Mar 18 82.5°F 80.8°F 81.4°F
Mar 19 82.5°F 79.3°F 81.4°F
Mar 20 82.7°F 81.0°F 81.6°F
Mar 21 82.6°F 81.4°F 81.5°F
Mar 22 82.8°F 81.6°F 81.7°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 26, 2023, reaching a 87.6°F. While the coldest temperature occurred on January 18, 2015, dipping to 79.0°F. The average readings by season are 81.9°F in Winter, 82.8°F in Spring, 85.2°F in Summer, and 85.0°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
San Francisco 82.4°F 18mi
Madrid 83.4°F 37mi
San Francisco 82.3°F 43mi
San Jose 82.9°F 45mi
Santa Monica 83.2°F 51mi
Burgos 83.5°F 51mi
Medina 82.0°F 53mi
San Juan 82.6°F 55mi

* current water temperature in this city

** straight line distance from San Francisco