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

82.1

°F

April 27, 20:56

Trend:

stable

Yesterday:

81.9°F

Tomorrow:

82.0°F

Sunrise:

06:03

Sunset:

18:28

Day Length:

12 h. 25 min.

San Francisco in May

Minimum:

79.0°F

Average:

82.0°F

Maximum:

83.4°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 82.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is about the same as the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to fall a bit.

Recent sea temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 84.7°F on 2022, while the historical minimum was 80.4°F on 2019.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 82.4°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
Apr 13 79.3°F 83.3°F 80.9°F
Apr 14 78.7°F 83.3°F 81.0°F
Apr 15 80.2°F 83.5°F 80.9°F
Apr 16 79.7°F 82.5°F 80.8°F
Apr 17 80.6°F 84.4°F 81.0°F
Apr 18 81.5°F 82.4°F 80.7°F
Apr 19 81.4°F 82.9°F 80.7°F
Apr 20 81.2°F 82.8°F 80.7°F
Apr 21 81.1°F 82.2°F 80.9°F
Apr 22 80.9°F 82.2°F 80.9°F
Apr 23 80.7°F 82.6°F 81.1°F
Apr 24 81.3°F 83.0°F 81.7°F
Apr 25 81.6°F 82.4°F 81.8°F
Apr 26 81.9°F 82.5°F 82.2°F
Apr 27 82.1°F 82.4°F 82.2°F
Apr 28 82.0°F 80.8°F 82.0°F
Apr 29 82.3°F 81.0°F 82.3°F
Apr 30 82.4°F 81.2°F 82.5°F
May 1 82.3°F 81.3°F 82.4°F
May 2 82.4°F 81.5°F 82.5°F
May 3 82.7°F 81.5°F 82.7°F
May 4 82.9°F 81.8°F 83.0°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 6, 2023, reaching a 87.5°F. While the coldest temperature occurred on February 23, 2023, dipping to 73.1°F. The average readings by season are 80.6°F in Winter, 80.7°F in Spring, 84.0°F in Summer, and 83.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Panamá 82.1°F 1mi
Veracruz 83.0°F 10mi
San José 83.3°F 16mi
Miramar 84.2°F 42mi
San José 84.3°F 42mi

* current water temperature in this city

** straight line distance from San Francisco