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Poponesset Island, MA - Poponesset Bay Marine Weather Forecast

Station WAXM3 - Carriage House, Waquoit Bay Reserve, MA

December 22, 2025 12:45 pm EST
Location: 41.582N 70.525W
Wind Direction: WNW (290°)
Wind Speed: 7.0 knots
Atmospheric Pressure: 30.24 in (1024.0 mb)
Air Temperature: 30.9°F (-0.6°C)
Dew Point: 4.5°F (-15.3°C)


This Afternoon - 33°F
Dec 22, 2025
7 to 10 mph NW
Sunny
Sunny, with a high near 33. Northwest wind 7 to 10 mph.
Tonight - 28°F
Dec 22, 2025
6 mph W
Mostly Cloudy
Mostly cloudy, with a low around 28. West wind around 6 mph.
Tuesday - 38°F
Dec 23, 2025
5 to 9 mph SW
Light Snow Likely then Rain And Snow
Snow likely between 7am and 10am, then rain and snow between 10am and 2pm, then rain and snow. Cloudy, with a high near 38. Southwest wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Tuesday Night - 32°F
Dec 23, 2025
6 to 12 mph S
Rain And Snow
Rain and snow. Mostly cloudy, with a low around 32. South wind 6 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday - 40°F
Dec 24, 2025
10 to 15 mph NW
Chance Light Snow
A chance of snow before 7am, then a chance of rain and snow between 7am and 1pm. Partly sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Wednesday Night - 27°F
Dec 24, 2025
5 to 8 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 27. Northwest wind 5 to 8 mph.
Christmas Day - 42°F
Dec 25, 2025
5 to 13 mph W
Mostly Cloudy
Mostly cloudy, with a high near 42. West wind 5 to 13 mph.
Thursday Night - 35°F
Dec 25, 2025
8 mph NW
Cloudy then Slight Chance Light Rain
A slight chance of rain after midnight. Cloudy, with a low around 35. Northwest wind around 8 mph.
Friday - 40°F
Dec 26, 2025
7 to 12 mph SE
Light Rain Likely
Rain likely. Cloudy, with a high near 40. Southeast wind 7 to 12 mph. Chance of precipitation is 70%.
Friday Night - 30°F
Dec 26, 2025
10 mph N
Light Rain Likely then Chance Rain And Snow
Rain likely before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 30. North wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday - 40°F
Dec 27, 2025
10 mph N
Chance Light Snow then Chance Light Rain
A chance of rain before 7am, then a chance of snow between 7am and 8am, then a chance of rain. Mostly cloudy, with a high near 40. North wind around 10 mph. Chance of precipitation is 30%.
Saturday Night - 31°F
Dec 27, 2025
7 mph E
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 31. East wind around 7 mph. Chance of precipitation is 30%.
Sunday - 45°F
Dec 28, 2025
8 to 13 mph SW
Light Rain Likely
Rain likely. Mostly cloudy, with a high near 45. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Sunday Night - 23°F
Dec 28, 2025
15 mph W
Chance Light Rain then Chance Light Snow
A chance of rain before 3am, then a chance of snow. Mostly cloudy, with a low around 23. West wind around 15 mph, with gusts as high as 28 mph.

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