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Cohasset, MA Marine Weather Forecast

Station 44013 - BOSTON 16 NM East of Boston, MA

February 14, 2026 6:40 pm EST
Location: 42.346N 70.651W
Wind Direction: W (270°)
Wind Speed: 9.7 knots
Wind Gust: 11.7 knots
Atmospheric Pressure: 30.03 in (1017.0 mb)
Air Temperature: 36.1°F (2.3°C)
Dew Point: 27.0°F (-2.8°C)
Water Temperature: 37.0°F (2.8°C)


Tonight - 25°F
Feb 14, 2026
8 to 12 mph W
Mostly Cloudy
Mostly cloudy, with a low around 25. West wind 8 to 12 mph.
Sunday - 33°F
Feb 15, 2026
2 to 16 mph NW
Mostly Sunny
Mostly sunny, with a high near 33. Northwest wind 2 to 16 mph.
Sunday Night - 27°F
Feb 15, 2026
1 to 10 mph SE
Mostly Cloudy then Slight Chance Light Snow
A slight chance of snow after 3am. Mostly cloudy, with a low around 27. Southeast wind 1 to 10 mph. Chance of precipitation is 20%.
Washington's Birthday - 38°F
Feb 16, 2026
6 to 10 mph E
Slight Chance Light Snow then Mostly Cloudy
A slight chance of snow before 8am. Mostly cloudy, with a high near 38. East wind 6 to 10 mph. Chance of precipitation is 20%.
Monday Night - 31°F
Feb 16, 2026
6 mph N
Mostly Cloudy
Mostly cloudy, with a low around 31. North wind around 6 mph.
Tuesday - 41°F
Feb 17, 2026
7 mph SW
Mostly Cloudy
Mostly cloudy, with a high near 41. Southwest wind around 7 mph.
Tuesday Night - 33°F
Feb 17, 2026
7 mph W
Mostly Cloudy
Mostly cloudy, with a low around 33. West wind around 7 mph.
Wednesday - 41°F
Feb 18, 2026
6 mph N
Chance Light Rain
A chance of rain after 10am. Mostly cloudy, with a high near 41. North wind around 6 mph. Chance of precipitation is 50%.
Wednesday Night - 35°F
Feb 18, 2026
9 mph NE
Light Rain Likely then Chance Rain And Snow
Rain likely before 5am, then a chance of rain and snow. Cloudy, with a low around 35. Northeast wind around 9 mph. Chance of precipitation is 70%.
Thursday - 41°F
Feb 19, 2026
7 to 10 mph N
Chance Rain And Snow
A chance of rain and snow. Mostly cloudy, with a high near 41. North wind 7 to 10 mph. Chance of precipitation is 40%.
Thursday Night - 33°F
Feb 19, 2026
10 mph W
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 33. West wind around 10 mph. Chance of precipitation is 40%.
Friday - 40°F
Feb 20, 2026
12 mph NE
Chance Rain And Snow
A chance of rain before 9am, then a chance of rain and snow. Mostly cloudy, with a high near 40. Northeast wind around 12 mph. Chance of precipitation is 40%.
Friday Night - 31°F
Feb 20, 2026
13 mph NE
Chance Rain And Snow
A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Northeast wind around 13 mph. Chance of precipitation is 40%.
Saturday - 39°F
Feb 21, 2026
14 mph E
Chance Light Snow
A chance of snow before 9am, then a chance of rain and snow. Mostly cloudy, with a high near 39. East wind around 14 mph.

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