North Plymouth Water Temperature

(Today) 2025

6.5°C / 43.7°F

The water will feel very cold. For the hardcore only. The water is now dangerously cold and most people will risk hypothermia if not equipped with a thick, 6/5mm wetsuit along with boots and a hood

*Live data from BOSTON 16 NM East of Boston, MA: 7.6°C / 45.7°F

Current weather

2°C / 35°F
(overcast clouds)
Partly cloudy
Wind
17 mph
Humidity
78%

The measurements for the water temperature in North Plymouth, 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.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

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

North Plymouth average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in North Plymouth
  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 North Plymouth

SatSunMonTueWedThuFri
  • Low 5:20am
    (0.55m)
  • High 11:19am
    (3.02m)
  • Low 5:54pm
    (0.18m)
  • High 11:52pm
    (2.59m)
  • Low 6:01am
    (0.54m)
  • High 11:57am
    (3.05m)
  • Low 6:35pm
    (0.16m)
  • High 12:30am
    (2.62m)
  • Low 6:42am
    (0.53m)
  • High 12:37pm
    (3.07m)
  • Low 7:16pm
    (0.15m)
  • High 1:11am
    (2.66m)
  • Low 7:25am
    (0.52m)
  • High 1:20pm
    (3.08m)
  • Low 8:00pm
    (0.15m)
  • High 1:54am
    (2.7m)
  • Low 8:11am
    (0.5m)
  • High 2:05pm
    (3.06m)
  • Low 8:44pm
    (0.16m)
  • High 2:40am
    (2.76m)
  • Low 9:00am
    (0.48m)
  • High 2:52pm
    (3.02m)
  • Low 9:30pm
    (0.17m)
  • High 3:27am
    (2.84m)
  • Low 9:51am
    (0.43m)
  • High 3:43pm
    (2.96m)
  • Low 10:18pm
    (0.2m)
7 day tide times for North Plymouth

*These tide times are estimates based on the nearest accurate location (Plymouth, 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.