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

83.9

°F

November 14, 21:32

Trend:

stable

Yesterday:

83.9°F

Tomorrow:

83.9°F

Sunrise:

05:33

Sunset:

17:14

Day Length:

11 h. 41 min.

San Francisco in November

Minimum:

79.6°F

Average:

81.8°F

Maximum:

83.1°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 83.9°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 about the same as 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 considerably 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 85.0°F on 2023, while the historical minimum was 83.1°F on 2016.

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 83.9°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 31 85.0°F 84.5°F 84.5°F
Nov 1 85.7°F 84.6°F 84.5°F
Nov 2 85.7°F 84.7°F 84.6°F
Nov 3 85.6°F 84.5°F 84.5°F
Nov 4 85.4°F 84.4°F 84.4°F
Nov 5 85.3°F 84.4°F 84.3°F
Nov 6 84.5°F 84.3°F 84.3°F
Nov 7 85.0°F 85.7°F 84.4°F
Nov 8 84.8°F 85.1°F 84.3°F
Nov 9 84.8°F 85.1°F 84.3°F
Nov 10 84.7°F 85.0°F 84.2°F
Nov 11 84.6°F 85.1°F 84.3°F
Nov 12 84.0°F 85.0°F 84.1°F
Nov 13 83.9°F 84.8°F 84.0°F
Nov 14 83.9°F 84.7°F 83.9°F
Nov 15 83.9°F 84.9°F 84.0°F
Nov 16 84.0°F 84.8°F 84.1°F
Nov 17 84.0°F 84.4°F 84.0°F
Nov 18 83.8°F 84.7°F 83.9°F
Nov 19 83.9°F 84.6°F 83.9°F
Nov 20 84.0°F 84.4°F 84.0°F
Nov 21 83.9°F 84.3°F 84.0°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 September 5, 2017, reaching a 86.6°F. While the coldest temperature occurred on January 18, 2015, dipping to 78.8°F. The average readings by season are 81.9°F in Winter, 82.9°F in Spring, 84.8°F in Summer, and 84.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
San Juan 83.8°F 14mi
San Francisco 84.7°F 27mi
San Jose 84.1°F 29mi
San Francisco 85.1°F 43mi
Trinidad 84.9°F 56mi

* current water temperature in this city

** straight line distance from San Francisco