What is the current water temperature in San Francisco?

As of now, in San Francisco, the water temperature is 26.36°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.

79.4

°F

February 19, 15:05

Trend:

stable

Yesterday:

79.4°F

Tomorrow:

79.3°F

Sunrise:

06:05

Sunset:

17:51

Day Length:

11 h. 46 min.

San Francisco in February

Minimum:

78.5°F

Average:

80.2°F

Maximum:

81.3°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 79.4°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.5°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature closely matches the previous two weeks' average, indicating a stable 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 80.7°F on 2025, while the historical minimum was 77.8°F on 2016.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 79.4°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 5	78.7°F	79.6°F	79.3°F
Feb 6	78.5°F	79.6°F	79.2°F
Feb 7	79.0°F	79.4°F	79.1°F
Feb 8	79.6°F	79.4°F	79.2°F
Feb 9	79.5°F	79.6°F	79.1°F
Feb 10	79.3°F	79.5°F	79.1°F
Feb 11	79.2°F	79.5°F	79.1°F
Feb 12	79.4°F	79.5°F	79.0°F
Feb 13	79.2°F	79.7°F	79.1°F
Feb 14	79.4°F	79.6°F	79.1°F
Feb 15	80.0°F	80.2°F	79.0°F
Feb 16	79.8°F	80.0°F	78.9°F
Feb 17	80.0°F	80.0°F	78.8°F
Feb 18	79.4°F	80.6°F	78.9°F
Feb 19	79.4°F	80.7°F	78.9°F
Feb 20	79.3°F	80.5°F	78.8°F
Feb 21	79.4°F	80.3°F	78.9°F
Feb 22	79.3°F	80.2°F	78.8°F
Feb 23	79.4°F	80.0°F	78.9°F
Feb 24	79.6°F	79.8°F	79.1°F
Feb 25	79.5°F	79.7°F	79.0°F
Feb 26	79.6°F	79.7°F	79.1°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 80.0°F in Winter, 81.5°F in Spring, 84.7°F in Summer, and 83.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Barcelona	81.1°F	19mi
San Francisco	80.9°F	23mi
Padang	81.3°F	35mi
Santo Domingo	81.3°F	36mi

* current water temperature in this city

** straight line distance from San Francisco