Your Ultimate Boating Resource

HomeForecastsMassachusetts ForecastsCotuit, MA Marine Weather

Cotuit, MA Marine Weather Forecast

Station WAXM3 - Carriage House, Waquoit Bay Reserve, MA

December 18, 2025 12:45 am EST
Location: 41.582N 70.525W
Wind Direction: WNW (290°)
Wind Speed: 1.0 knots
Atmospheric Pressure: 30.12 in (1020.0 mb)
Air Temperature: 38.5°F (3.6°C)
Dew Point: 29.7°F (-1.3°C)


Overnight - 31°F
Dec 18, 2025
2 to 6 mph W
Mostly Clear
Mostly clear, with a low around 31. West wind 2 to 6 mph.
Thursday - 49°F
Dec 18, 2025
2 to 10 mph SW
Sunny
Sunny. High near 49, with temperatures falling to around 42 in the afternoon. Southwest wind 2 to 10 mph.
Thursday Night - 41°F
Dec 18, 2025
8 to 16 mph S
Mostly Cloudy then Chance Light Rain
A chance of rain after 4am. Mostly cloudy. Low around 41, with temperatures rising to around 48 overnight. South wind 8 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday - 55°F
Dec 19, 2025
17 to 32 mph S
Light Rain
Rain before noon, then rain and a slight chance of thunderstorms. Cloudy, with a high near 55. South wind 17 to 32 mph, with gusts as high as 56 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night - 28°F
Dec 19, 2025
18 to 24 mph W
Chance Light Rain then Partly Cloudy
A chance of rain before 8pm. Partly cloudy, with a low around 28. West wind 18 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Saturday - 43°F
Dec 20, 2025
8 to 17 mph W
Mostly Sunny
Mostly sunny, with a high near 43. West wind 8 to 17 mph, with gusts as high as 31 mph.
Saturday Night - 34°F
Dec 20, 2025
8 to 14 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 34. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.
Sunday - 47°F
Dec 21, 2025
14 mph W
Slight Chance Light Rain
A slight chance of rain between 9am and 2pm. Mostly sunny, with a high near 47. West wind around 14 mph, with gusts as high as 26 mph.
Sunday Night - 22°F
Dec 21, 2025
14 mph W
Partly Cloudy
Partly cloudy, with a low around 22. West wind around 14 mph, with gusts as high as 26 mph.
Monday - 32°F
Dec 22, 2025
12 to 15 mph NW
Sunny
Sunny, with a high near 32. Northwest wind 12 to 15 mph, with gusts as high as 25 mph.
Monday Night - 22°F
Dec 22, 2025
7 to 10 mph NW
Partly Cloudy
Partly cloudy, with a low around 22. Northwest wind 7 to 10 mph.
Tuesday - 41°F
Dec 23, 2025
7 to 13 mph W
Chance Light Snow
A chance of snow before 10am, then a chance of rain between 10am and noon, then a chance of rain and snow. Partly sunny, with a high near 41. West wind 7 to 13 mph. Chance of precipitation is 50%.
Tuesday Night - 30°F
Dec 23, 2025
12 mph W
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 30. West wind around 12 mph. Chance of precipitation is 50%.
Wednesday - 41°F
Dec 24, 2025
12 mph NW
Mostly Sunny
Mostly sunny, with a high near 41. Northwest wind around 12 mph.

Don't Miss