All data are in degrees Fahrenheit

en

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

82.3

°F

April 19, 11:03

Trend:

increasing

Yesterday:

82.2°F

Tomorrow:

82.3°F

Sunrise:

05:30

Sunset:

17:57

Day Length:

12 h. 27 min.

San Francisco in April

Minimum:

78.1°F

Average:

80.0°F

Maximum:

81.3°F

Sea water temperature in San Francisco today

As of now, in San Francisco, the water temperature is 82.3°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.8°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

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 82.2°F on 2023, while the historical minimum was 80.7°F on 2017.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest 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 82.5°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
Apr 5 80.9°F 80.3°F 80.4°F
Apr 6 80.3°F 80.7°F 80.6°F
Apr 7 81.0°F 80.9°F 80.5°F
Apr 8 81.2°F 80.7°F 80.6°F
Apr 9 81.3°F 80.8°F 80.5°F
Apr 10 81.0°F 80.9°F 80.4°F
Apr 11 80.9°F 80.2°F 80.7°F
Apr 12 81.9°F 80.9°F 81.0°F
Apr 13 81.6°F 80.1°F 81.1°F
Apr 14 82.1°F 80.4°F 81.1°F
Apr 15 82.8°F 80.5°F 81.4°F
Apr 16 82.8°F 80.3°F 81.4°F
Apr 17 82.4°F 81.2°F 81.6°F
Apr 18 82.2°F 80.9°F 81.5°F
Apr 19 82.3°F 81.3°F 81.5°F
Apr 20 82.3°F 81.9°F 81.6°F
Apr 21 82.4°F 81.8°F 81.6°F
Apr 22 82.5°F 81.8°F 81.8°F
Apr 23 82.6°F 82.1°F 81.8°F
Apr 24 82.7°F 82.3°F 81.9°F
Apr 25 82.6°F 82.5°F 81.9°F
Apr 26 82.5°F 81.6°F 81.7°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 16, 2016, reaching a 87.0°F. While the coldest temperature occurred on January 29, 2019, dipping to 76.9°F. The average readings by season are 79.8°F in Winter, 81.4°F in Spring, 84.6°F in Summer, and 83.8°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Barcelona 84.6°F 19mi
San Francisco 85.6°F 23mi
Padang 85.8°F 35mi
Santo Domingo 85.8°F 36mi

* current water temperature in this city

** straight line distance from San Francisco