Ocean Bluff-Brant Rock Water Temperature

(Today) 2025

19.1°C / 66.3°F

The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.

*Live data from BOSTON 16 NM East of Boston, MA: 19.8°C / 67.6°F

Current weather

24°C / 75°F
(overcast clouds)
Partly cloudy
Wind
2 mph
Humidity
85%

The measurements for the water temperature in Ocean Bluff-Brant Rock, 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 Ocean Bluff-Brant Rock water temperature derived from many years of historical sea surface temperature data.

Ocean Bluff-Brant Rock average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Ocean Bluff-Brant Rock
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 3.6 2.7 2.2 3.9 6.1 11 16.4 18.3 15.7 11.1 9 5.6
Max °C 6.9 5 5.4 8.5 12.8 18.1 21.3 21.2 19.8 17.8 12.5 10.3
Min °F 39.8 37.7 37.2 40.9 45.6 54.6 63.4 66.1 61.9 54.6 49.6 43.9
Max °F 43.1 40 40.4 45.5 52.3 61.7 68.3 69 66 61.3 53.1 48.6

The warmest water temperature is in August with an average around 67.5°F / 19.7°C. The coldest month is February with an average water temperature of 38.8°F / 3.8°C.

7 day tide forecast for Ocean Bluff-Brant Rock

SatSunMonTueWedThuFri
  • High 12:46am
    (2.97m)
  • Low 7:10am
    (0.08m)
  • High 1:22pm
    (2.56m)
  • Low 7:15pm
    (0.39m)
  • High 1:28am
    (3.02m)
  • Low 7:51am
    (0.03m)
  • High 2:03pm
    (2.65m)
  • Low 7:59pm
    (0.32m)
  • High 2:11am
    (3.03m)
  • Low 8:33am
    (-0.01m)
  • High 2:46pm
    (2.75m)
  • Low 8:47pm
    (0.25m)
  • High 2:58am
    (3.01m)
  • Low 9:18am
    (-0.01m)
  • High 3:31pm
    (2.85m)
  • Low 9:37pm
    (0.19m)
  • High 3:48am
    (2.96m)
  • Low 10:04am
    (0.02m)
  • High 4:20pm
    (2.93m)
  • Low 10:32pm
    (0.14m)
  • High 4:42am
    (2.87m)
  • Low 10:54am
    (0.07m)
  • High 5:12pm
    (3.01m)
  • Low 11:29pm
    (0.1m)
  • High 5:40am
    (2.77m)
  • Low 11:48am
    (0.14m)
  • High 6:08pm
    (3.07m)
7 day tide times for Ocean Bluff-Brant Rock

*These tide times are estimates based on the nearest accurate location (Damons Point, North River, 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.