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South Hamilton, MA Marine Weather Forecast

Station 44029 - Buoy A01 - Massachusetts Bay

December 20, 2025 6:00 am EST
Location: 42.523N 70.566W
Wind Direction: W (280°)
Wind Speed: 21.4 knots
Wind Gust: 29.2 knots
Air Temperature: 34.5°F (1.4°C)


Today - 39°F
Dec 20, 2025
6 to 10 mph W
Mostly Sunny
Mostly sunny, with a high near 39. West wind 6 to 10 mph, with gusts as high as 25 mph.
Tonight - 32°F
Dec 20, 2025
6 to 20 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 32. Southwest wind 6 to 20 mph, with gusts as high as 30 mph.
Sunday - 43°F
Dec 21, 2025
17 mph W
Partly Sunny
Partly sunny. High near 43, with temperatures falling to around 36 in the afternoon. West wind around 17 mph, with gusts as high as 29 mph.
Sunday Night - 20°F
Dec 21, 2025
12 to 16 mph NW
Mostly Clear
Mostly clear, with a low around 20. Northwest wind 12 to 16 mph, with gusts as high as 28 mph.
Monday - 32°F
Dec 22, 2025
7 to 12 mph NW
Sunny
Sunny, with a high near 32. Northwest wind 7 to 12 mph, with gusts as high as 25 mph.
Monday Night - 23°F
Dec 22, 2025
7 mph W
Mostly Cloudy then Slight Chance Light Snow
A slight chance of snow after 3am. Mostly cloudy, with a low around 23. West wind around 7 mph. Chance of precipitation is 20%.
Tuesday - 39°F
Dec 23, 2025
6 to 10 mph SW
Light Snow
Snow before noon, then rain and snow likely. Cloudy, with a high near 39. Southwest wind 6 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night - 29°F
Dec 23, 2025
7 to 10 mph W
Chance Light Rain then Mostly Cloudy
A chance of rain before 11pm. Mostly cloudy, with a low around 29. West wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday - 38°F
Dec 24, 2025
7 to 12 mph NW
Mostly Sunny
Mostly sunny, with a high near 38. Northwest wind 7 to 12 mph, with gusts as high as 23 mph.
Wednesday Night - 25°F
Dec 24, 2025
6 mph W
Mostly Cloudy
Mostly cloudy, with a low around 25. West wind around 6 mph.
Christmas Day - 43°F
Dec 25, 2025
5 to 9 mph SW
Slight Chance Light Snow then Chance Light Rain
A slight chance of snow between 7am and 9am, then a chance of rain. Partly sunny, with a high near 43. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.
Thursday Night - 33°F
Dec 25, 2025
8 mph SW
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 33. Southwest wind around 8 mph. Chance of precipitation is 40%.
Friday - 47°F
Dec 26, 2025
10 mph W
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 47. West wind around 10 mph. Chance of precipitation is 30%.
Friday Night - 28°F
Dec 26, 2025
7 mph NW
Chance Light Rain then Slight Chance Light Snow
A chance of rain before 4am, then a slight chance of snow. Mostly cloudy, with a low around 28. Northwest wind around 7 mph.

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