South Yarmouth Water Temperature

(Today) 2021

10.3°C / 50.5°F

Current weather

3°C / 38°F
(broken clouds)

Partly cloudy

Wind

7 mph

Humidity

62%


The measurements for the water temperature in South Yarmouth, Massachusetts 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 South Yarmouth water temperature derived from many years of historical sea surface temperature data.

South Yarmouth average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in South Yarmouth
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.9 2 1.6 3.6 7.1 11 16.1 18.5 17.2 12.7 9.6 5.1
Max °C 7.4 4.9 5.7 9.7 13.3 18.6 21.9 21.9 20.3 18.9 13.9 11.4
Min °F 39 36.7 36.5 40.9 47.3 54.8 63.3 66.7 64.2 57.3 51 43.7
Max °F 43.5 39.6 40.6 47 53.5 62.4 69.1 70.1 67.3 63.5 55.3 50

The warmest water temperature is in August with an average around 68.4°F / 20.2°C. The coldest month is February with an average water temperature of 38.1°F / 3.4°C.


7 day tide forecast for South Yarmouth

ThuFriSatSunMonTueWed
  • Low 4:25am
    (-0.02m)
  • High 10:39am
    (0.99m)
  • Low 5:02pm
    (-0.09m)
  • High 11:13pm
    (0.91m)
  • Low 5:16am
    (-0.04m)
  • High 11:29am
    (1.04m)
  • Low 5:54pm
    (-0.15m)
  • High 12:07am
    (0.93m)
  • Low 6:07am
    (-0.06m)
  • High 12:20pm
    (1.08m)
  • Low 6:46pm
    (-0.18m)
  • High 1:00am
    (0.93m)
  • Low 6:58am
    (-0.06m)
  • High 1:11pm
    (1.09m)
  • Low 7:38pm
    (-0.19m)
  • High 1:53am
    (0.93m)
  • Low 7:50am
    (-0.05m)
  • High 2:04pm
    (1.08m)
  • Low 8:31pm
    (-0.17m)
  • High 2:48am
    (0.91m)
  • Low 8:43am
    (-0.03m)
  • High 2:58pm
    (1.05m)
  • Low 9:24pm
    (-0.14m)
  • High 3:44am
    (0.89m)
  • Low 9:38am
    (0m)
  • High 3:55pm
    (1m)
  • Low 10:19pm
    (-0.09m)
7 day tide times for South Yarmouth

*These tide times are estimates based on the nearest accurate location (South Yarmouth, Bass River, Nantucket Sound, Massachusetts) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.