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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

86.2

°F

November 4, 04:25

Trend:

decreasing

Yesterday:

86.4°F

Tomorrow:

86.1°F

Sunrise:

05:29

Sunset:

17:15

Day Length:

11 h. 46 min.

San Francisco in November

Minimum:

80.7°F

Average:

82.1°F

Maximum:

83.0°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 86.2°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 1.2°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 is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 86.8°F on 2023, while the historical minimum was 84.0°F on 2016.

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 86.0°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
Oct 21 86.1°F 84.7°F 85.6°F
Oct 22 86.3°F 84.9°F 85.6°F
Oct 23 86.3°F 85.3°F 85.6°F
Oct 24 86.1°F 85.0°F 85.4°F
Oct 25 85.9°F 84.9°F 85.2°F
Oct 26 86.1°F 84.8°F 85.2°F
Oct 27 86.2°F 84.8°F 85.2°F
Oct 28 86.3°F 84.8°F 85.1°F
Oct 29 86.3°F 84.8°F 85.2°F
Oct 30 86.3°F 85.0°F 85.1°F
Oct 31 86.1°F 85.1°F 85.0°F
Nov 1 86.2°F 85.3°F 85.1°F
Nov 2 86.3°F 85.6°F 85.2°F
Nov 3 86.4°F 85.5°F 85.2°F
Nov 4 86.2°F 85.4°F 85.0°F
Nov 5 86.1°F 85.2°F 84.9°F
Nov 6 86.1°F 85.1°F 84.9°F
Nov 7 86.1°F 85.6°F 84.9°F
Nov 8 86.0°F 85.4°F 84.8°F
Nov 9 86.0°F 85.3°F 84.9°F
Nov 10 86.0°F 85.1°F 84.8°F
Nov 11 86.1°F 85.4°F 84.9°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 October 26, 2023, reaching a 87.6°F. While the coldest temperature occurred on February 23, 2019, dipping to 79.2°F. The average readings by season are 82.1°F in Winter, 82.9°F in Spring, 85.4°F in Summer, and 85.1°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
San Francisco 85.2°F 18mi
Madrid 86.5°F 37mi
San Francisco 84.9°F 43mi
San Jose 84.9°F 45mi
Santa Monica 85.4°F 51mi
Burgos 86.1°F 51mi
Medina 85.8°F 53mi
San Juan 84.9°F 55mi

* current water temperature in this city

** straight line distance from San Francisco