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

83.4

°F

November 29, 23:25

Trend:

stable

Yesterday:

83.2°F

Tomorrow:

83.3°F

Sunrise:

05:50

Sunset:

17:16

Day Length:

11 h. 26 min.

San Francisco in December

Minimum:

78.6°F

Average:

80.9°F

Maximum:

82.6°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 83.4°F. Swimming in water of this temperature is considered highly warm and would be enjoyable for everyone. At this temperature, you can comfortably engage in water-based activities for extended periods without experiencing discomfort. Today's reading is 0.3°F higher than 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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. 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 84.0°F on 2024, while the historical minimum was 82.5°F on 2015.

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 83.0°F, the minimum temperature may reach 82.8°F, and the maximum might stay at 83.3°F.

Daily water temperature in San Francisco

Date Current Year

actual* / forecast**

last year 10 years average
Nov 15 82.5°F 83.8°F 83.6°F
Nov 16 83.0°F 83.8°F 83.6°F
Nov 17 83.2°F 83.5°F 83.5°F
Nov 18 83.2°F 83.2°F 83.3°F
Nov 19 83.2°F 83.6°F 83.5°F
Nov 20 83.3°F 83.7°F 83.4°F
Nov 21 83.6°F 83.7°F 83.5°F
Nov 22 83.4°F 83.4°F 83.3°F
Nov 23 83.3°F 83.2°F 83.4°F
Nov 24 83.2°F 83.6°F 83.4°F
Nov 25 83.2°F 83.7°F 83.4°F
Nov 26 83.1°F 83.4°F 83.3°F
Nov 27 83.1°F 83.4°F 83.2°F
Nov 28 83.2°F 84.4°F 83.3°F
Nov 29 83.4°F 84.0°F 83.2°F
Nov 30 83.3°F 83.6°F 83.0°F
Dec 1 83.2°F 83.3°F 82.9°F
Dec 2 83.0°F 83.0°F 82.7°F
Dec 3 83.0°F 82.8°F 82.7°F
Dec 4 83.0°F 83.7°F 82.7°F
Dec 5 82.9°F 83.4°F 82.6°F
Dec 6 82.8°F 83.2°F 82.5°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 14, 2024, reaching a 88.4°F. While the coldest temperature occurred on January 13, 2015, dipping to 78.2°F. The average readings by season are 81.1°F in Winter, 83.6°F in Spring, 85.6°F in Summer, and 84.6°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Padang 83.5°F 13mi
Santo Domingo 83.5°F 14mi
San Francisco 84.2°F 19mi
San Francisco 83.0°F 23mi
Barcelona 83.9°F 27mi
San Jose 83.9°F 31mi

* current water temperature in this city

** straight line distance from San Francisco