What is the current water temperature in San Francisco?

As of now, in San Francisco, the water temperature is 27.81°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.

82.1

°F

November 23, 00:06

Trend:

stable

Yesterday:

82.1°F

Tomorrow:

82.1°F

Sunrise:

05:55

Sunset:

17:14

Day Length:

11 h. 19 min.

San Francisco in November

Minimum:

79.2°F

Average:

80.9°F

Maximum:

82.3°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 82.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.6°F lower 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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 84.0°F on 2015, while the historical minimum was 81.7°F on 2021.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 81.9°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
Nov 9	82.5°F	83.6°F	83.6°F
Nov 10	83.0°F	83.4°F	83.4°F
Nov 11	82.4°F	83.4°F	83.3°F
Nov 12	82.3°F	83.4°F	83.3°F
Nov 13	82.4°F	83.4°F	83.4°F
Nov 14	82.4°F	83.4°F	83.4°F
Nov 15	82.4°F	84.4°F	83.4°F
Nov 16	82.3°F	84.2°F	83.3°F
Nov 17	81.7°F	84.0°F	83.2°F
Nov 18	81.9°F	83.8°F	83.0°F
Nov 19	81.9°F	84.2°F	82.9°F
Nov 20	82.3°F	84.0°F	82.8°F
Nov 21	82.1°F	84.3°F	82.7°F
Nov 22	82.1°F	84.1°F	82.7°F
Nov 23	82.1°F	83.7°F	82.7°F
Nov 24	82.1°F	83.6°F	82.7°F
Nov 25	82.1°F	83.5°F	82.7°F
Nov 26	81.9°F	83.3°F	82.5°F
Nov 27	82.0°F	83.2°F	82.5°F
Nov 28	81.8°F	82.6°F	82.4°F
Nov 29	81.9°F	82.0°F	82.5°F
Nov 30	81.8°F	81.9°F	82.3°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 17, 2024, reaching a 89.2°F. While the coldest temperature occurred on February 14, 2015, dipping to 78.7°F. The average readings by season are 81.0°F in Winter, 82.8°F in Spring, 84.8°F in Summer, and 85.0°F in Autumn.