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

79.5

°F

January 31, 06:48

Trend:

stable

Yesterday:

79.4°F

Tomorrow:

79.5°F

Sunrise:

06:11

Sunset:

17:45

Day Length:

11 h. 34 min.

San Francisco in February

Minimum:

78.5°F

Average:

80.0°F

Maximum:

80.7°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 79.5°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.4°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 aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 80.2°F on 2021, while the historical minimum was 78.0°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 79.5°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
Jan 17 79.6°F 77.9°F 79.1°F
Jan 18 79.3°F 78.1°F 79.1°F
Jan 19 79.5°F 78.4°F 79.4°F
Jan 20 80.0°F 78.8°F 79.4°F
Jan 21 80.0°F 78.9°F 79.3°F
Jan 22 79.9°F 79.5°F 79.4°F
Jan 23 80.0°F 79.5°F 79.5°F
Jan 24 80.2°F 80.0°F 79.6°F
Jan 25 80.2°F 80.2°F 79.6°F
Jan 26 80.1°F 80.0°F 79.1°F
Jan 27 80.1°F 79.8°F 79.3°F
Jan 28 79.5°F 79.4°F 79.0°F
Jan 29 79.4°F 79.3°F 78.9°F
Jan 30 79.4°F 79.3°F 79.0°F
Jan 31 79.5°F 79.2°F 79.1°F
Feb 1 79.5°F 79.2°F 79.1°F
Feb 2 79.4°F 78.8°F 79.0°F
Feb 3 79.5°F 78.8°F 79.1°F
Feb 4 79.6°F 79.2°F 79.2°F
Feb 5 79.6°F 79.7°F 79.2°F
Feb 6 79.5°F 79.6°F 79.1°F
Feb 7 79.4°F 79.6°F 79.0°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 January 29, 2019, dipping to 76.9°F. The average readings by season are 79.8°F in Winter, 81.4°F in Spring, 84.6°F in Summer, and 83.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Barcelona 80.8°F 19mi
San Francisco 80.4°F 23mi
Padang 80.9°F 35mi
Santo Domingo 80.9°F 36mi

* current water temperature in this city

** straight line distance from San Francisco