Boston Sea Temperature

(Today) 2021

14.8°C / 58.7°F

Current weather

7°C / 45°F
(overcast clouds)

Partly cloudy

Wind

1 mph

Humidity

79%


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

Boston average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Boston
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.2 2.1 1.7 3.6 5.9 11 15.9 18 15.9 11.2 8.9 5.3
Max °C 6.9 5 4.9 7.9 11.5 16.9 20.3 20.6 19.4 17.5 12.5 10.4
Min °F 39.2 36.9 36.3 40.2 44.9 54.1 62.4 65.4 62 54.6 49.5 43.5
Max °F 42.9 39.8 39.5 44.5 50.5 60 66.8 68 65.5 60.9 53.1 48.6

7 day tide forecast for Boston

ThuFriSatSunMonTueWed
  • High 5:21am
    (2.45m)
  • Low 11:16am
    (0.76m)
  • High 5:26pm
    (2.73m)
  • Low 11:57pm
    (0.45m)
  • High 6:15am
    (2.47m)
  • Low 12:11pm
    (0.73m)
  • High 6:23pm
    (2.74m)
  • Low 12:50am
    (0.41m)
  • High 7:09am
    (2.55m)
  • Low 1:07pm
    (0.64m)
  • High 7:19pm
    (2.8m)
  • Low 1:43am
    (0.34m)
  • High 8:00am
    (2.69m)
  • Low 2:02pm
    (0.48m)
  • High 8:14pm
    (2.89m)
  • Low 2:34am
    (0.23m)
  • High 8:50am
    (2.88m)
  • Low 2:57pm
    (0.28m)
  • High 9:09pm
    (3.01m)
  • Low 3:24am
    (0.09m)
  • High 9:37am
    (3.1m)
  • Low 3:49pm
    (0.04m)
  • High 9:59pm
    (3.13m)
  • Low 4:11am
    (-0.04m)
  • High 10:22am
    (3.32m)
  • Low 4:39pm
    (-0.19m)
  • High 10:48pm
    (3.23m)
7 day tide times for Boston

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