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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

85.3

°F

November 23, 17:34

Trend:

stable

Yesterday:

85.2°F

Tomorrow:

85.3°F

Sunrise:

05:41

Sunset:

17:17

Day Length:

11 h. 36 min.

San Francisco in November

Minimum:

79.9°F

Average:

82.1°F

Maximum:

84.2°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 85.3°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. 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 86.0°F on 2021, while the historical minimum was 83.3°F on 2018.

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 85.1°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
Nov 9 86.1°F 86.4°F 85.5°F
Nov 10 86.0°F 86.2°F 85.4°F
Nov 11 86.1°F 86.3°F 85.4°F
Nov 12 86.0°F 86.6°F 85.4°F
Nov 13 85.9°F 86.6°F 85.3°F
Nov 14 86.0°F 86.3°F 85.3°F
Nov 15 85.8°F 86.4°F 85.2°F
Nov 16 85.4°F 86.0°F 85.3°F
Nov 17 85.2°F 85.5°F 85.2°F
Nov 18 85.3°F 85.4°F 85.1°F
Nov 19 85.5°F 85.4°F 85.1°F
Nov 20 85.7°F 85.4°F 85.2°F
Nov 21 85.8°F 85.3°F 85.2°F
Nov 22 85.2°F 84.9°F 85.0°F
Nov 23 85.3°F 84.9°F 85.0°F
Nov 24 85.3°F 85.1°F 85.0°F
Nov 25 85.4°F 85.1°F 85.1°F
Nov 26 85.2°F 85.0°F 84.9°F
Nov 27 85.1°F 84.9°F 84.8°F
Nov 28 85.1°F 84.8°F 84.8°F
Nov 29 85.0°F 84.6°F 84.7°F
Nov 30 84.9°F 84.5°F 84.6°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

January

February

March

April

May

June

July

August

September

October

November

December

In San Francisco, the water temperature is comfortable for swimming all year round.
The warmest water in San Francisco was recorded on June 5, 2017, reaching a 88.2°F. While the coldest temperature occurred on January 13, 2015, dipping to 78.6°F. The average readings by season are 82.5°F in Winter, 83.9°F in Spring, 86.1°F in Summer, and 85.7°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Santiago 85.4°F 6mi
Merida 85.3°F 21mi
San Juan 85.1°F 27mi
San Francisco 86.6°F 34mi

* current water temperature in this city

** straight line distance from San Francisco