Hercules Water Temperature

(Today) 2022

8.2°C / 46.8°F

Current weather

25°C / 77°F
(broken clouds)

Partly cloudy

Wind

3 mph

Humidity

47%


The measurements for the water temperature in Hercules, 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.

Monthly average water temp

Monthly average max / min water temperatures

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

Hercules average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Hercules
  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 Hercules

MonTueWedThuFriSatSun
  • Low 2:32am
    (0.62m)
  • High 7:35am
    (1.48m)
  • Low 2:30pm
    (-0.02m)
  • High 9:26pm
    (1.71m)
  • Low 3:42am
    (0.46m)
  • High 8:57am
    (1.39m)
  • Low 3:24pm
    (0.09m)
  • High 10:07pm
    (1.79m)
  • Low 4:41am
    (0.29m)
  • High 10:15am
    (1.35m)
  • Low 4:13pm
    (0.22m)
  • High 10:43pm
    (1.85m)
  • Low 5:32am
    (0.12m)
  • High 11:25am
    (1.34m)
  • Low 4:58pm
    (0.34m)
  • High 11:16pm
    (1.89m)
  • Low 6:15am
    (-0.01m)
  • High 12:26pm
    (1.35m)
  • Low 5:40pm
    (0.46m)
  • High 11:46pm
    (1.91m)
  • Low 6:54am
    (-0.11m)
  • High 1:22pm
    (1.37m)
  • Low 6:20pm
    (0.56m)
  • High 12:13am
    (1.91m)
  • Low 7:29am
    (-0.18m)
  • High 2:13pm
    (1.38m)
  • Low 6:59pm
    (0.66m)
7 day tide times for Hercules

*These tide times are estimates based on the nearest accurate location (Hercules, Refugio Landing, San Pablo 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.