Harwich Port Water Temperature

(Today) 2024

4.9°C / 40.8°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

Current weather

5°C / 40°F
(moderate rain)
Partly cloudy
Wind
23 mph
Humidity
97%

The measurements for the water temperature in Harwich Port, 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.

Water temp by month

Monthly average max / min water temperatures

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

Harwich Port average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Harwich Port
  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 Harwich Port

FriSatSunMonTueWedThu
  • High 3:15am
    (1.15m)
  • Low 9:08am
    (0.05m)
  • High 3:46pm
    (1.04m)
  • Low 9:19pm
    (0.15m)
  • High 3:53am
    (1.15m)
  • Low 9:50am
    (0.07m)
  • High 4:28pm
    (1.01m)
  • Low 10:01pm
    (0.18m)
  • High 4:36am
    (1.13m)
  • Low 10:39am
    (0.09m)
  • High 5:17pm
    (0.98m)
  • Low 10:50pm
    (0.21m)
  • High 5:26am
    (1.12m)
  • Low 11:34am
    (0.11m)
  • High 6:12pm
    (0.95m)
  • Low 11:47pm
    (0.22m)
  • High 6:24am
    (1.12m)
  • Low 12:33pm
    (0.11m)
  • High 7:13pm
    (0.96m)
  • Low 12:48am
    (0.21m)
  • High 7:26am
    (1.13m)
  • Low 1:34pm
    (0.09m)
  • High 8:15pm
    (0.99m)
  • Low 1:50am
    (0.17m)
  • High 8:31am
    (1.16m)
  • Low 2:35pm
    (0.05m)
  • High 9:17pm
    (1.06m)
7 day tide times for Harwich Port

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