Water temperature in San Francisco
54.5
°F
May 19, 02:37
Trend:
increasingYesterday:
54.2°FTomorrow:
54.9°FSunrise:
05:56Sunset:
20:17Day Length:
14 h. 21 min.San Francisco in May
Minimum:
50.9°FAverage:
52.4°FMaximum:
55.6°FSea water temperature in San Francisco today
As of now, in San Francisco, the water temperature is 54.5°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 2.4°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.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 is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 60.1°F on 2020, while the historical minimum was 53.8°F on 2017.
Daily water temperature in San Francisco
Date |
Current Year
actual* / forecast** |
last year | 10 years average |
---|---|---|---|
May 5 | 57.5°F | 57.1°F | 56.9°F |
May 6 | 57.6°F | 56.6°F | 56.6°F |
May 7 | 55.5°F | 56.0°F | 56.5°F |
May 8 | 56.6°F | 56.4°F | 56.8°F |
May 9 | 56.2°F | 55.4°F | 56.9°F |
May 10 | 57.0°F | 55.6°F | 57.1°F |
May 11 | 56.8°F | 56.0°F | 57.0°F |
May 12 | 56.9°F | 56.4°F | 57.0°F |
May 13 | 56.9°F | 56.2°F | 57.0°F |
May 14 | 56.9°F | 56.8°F | 57.1°F |
May 15 | 56.6°F | 58.1°F | 57.0°F |
May 16 | 55.9°F | 57.6°F | 56.9°F |
May 17 | 55.1°F | 56.0°F | 57.0°F |
May 18 | 54.2°F | 54.7°F | 56.8°F |
May 19 | 54.5°F | 54.9°F | 56.8°F |
May 20 | 54.9°F | 55.6°F | 57.2°F |
May 21 | 54.7°F | 54.5°F | 57.1°F |
May 22 | 54.8°F | 54.5°F | 57.2°F |
May 23 | 54.9°F | 55.7°F | 57.2°F |
May 24 | 55.0°F | 57.6°F | 57.3°F |
May 25 | 55.0°F | 57.5°F | 57.4°F |
May 26 | 55.0°F | 58.4°F | 57.4°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.
Popular neighboring cities and resorts
City | Water temperature* | Distance** |
---|---|---|
Oakland | 55.5°F | 8mi |
Redwood City | 65.5°F | 22mi |
San Jose | 63.2°F | 42mi |
* current water temperature in this city
** straight line distance from San Francisco