San Francisco Water Temperature

(Today) 2023

11.9°C / 53.4°F

The water will feel cool (fresh). Probably too cold for all but seasoned swimmers. We'd recommend a 4mm or 5mm wetsuit if you want to stay in the water.

Current weather

8°C / 47°F
(clear sky)
Partly cloudy
Wind
15 mph
Humidity
78%

The measurements for the water temperature in San Francisco, California are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly San Francisco water temperature derived from many years of historical sea surface temperature data.

San Francisco average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in San Francisco
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 10.1 10.1 10.1 9.6 9.4 9.1 11 12 12.9 12.4 11.6 11.2
Max °C 13.6 13.4 14.2 13.2 13.6 13.6 14.3 14.8 14.8 15 14 13.6
Min °F 51.5 51.5 51.8 50.7 50.6 50.1 53.1 54.7 55.9 55.4 53.8 53.1
Max °F 55 54.8 55.9 54.3 54.8 54.6 56.4 57.5 57.8 58 56.2 55.5

The warmest water temperature is in September with an average around 56.8°F / 13.8°C. The coldest month is June with an average water temperature of 52.3°F / 11.3°C.


7 day tide forecast for San Francisco

SunMonTueWedThuFriSat
  • High 5:36am
    (1.89m)
  • Low 12:47pm
    (0.2m)
  • High 7:40pm
    (1.25m)
  • Low 11:57pm
    (0.85m)
  • High 6:26am
    (1.87m)
  • Low 1:50pm
    (0.09m)
  • High 8:59pm
    (1.34m)
  • Low 1:05am
    (0.95m)
  • High 7:17am
    (1.87m)
  • Low 2:44pm
    (0.01m)
  • High 9:57pm
    (1.43m)
  • Low 2:08am
    (0.99m)
  • High 8:07am
    (1.87m)
  • Low 3:30pm
    (-0.05m)
  • High 10:43pm
    (1.5m)
  • Low 3:01am
    (0.98m)
  • High 8:54am
    (1.88m)
  • Low 4:09pm
    (-0.08m)
  • High 11:22pm
    (1.54m)
  • Low 3:47am
    (0.96m)
  • High 9:36am
    (1.9m)
  • Low 4:42pm
    (-0.1m)
  • High 11:56pm
    (1.55m)
  • Low 4:27am
    (0.92m)
  • High 10:15am
    (1.91m)
  • Low 5:12pm
    (-0.1m)
7 day tide times for San Francisco

*These tide times are estimates based on the nearest accurate location (North Point, Pier 41, San Francisco Bay, California) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.