HomeForecastsNew Hampshire ForecastsMerrimac, MA Marine Weather

Merrimac, MA Marine Weather Forecast

Station BGXN3 - Greenland, Great Bay Reserve, NH

December 5, 2025 12:45 am EST
Location: 43.059N 70.83W
Wind Direction: WNW (290°)
Wind Speed: 8.9 knots
Air Temperature: 11.7°F (-11.3°C)
Dew Point: -2.4°F (-19.1°C)


Overnight - 12°F
Dec 05, 2025
5 to 10 mph W
Mostly Clear
Mostly clear, with a low around 12. West wind 5 to 10 mph, with gusts as high as 25 mph.
Friday - 26°F
Dec 05, 2025
5 mph W
Sunny
Sunny, with a high near 26. West wind around 5 mph.
Friday Night - 18°F
Dec 05, 2025
0 to 5 mph W
Partly Cloudy
Partly cloudy, with a low around 18. West wind 0 to 5 mph.
Saturday - 38°F
Dec 06, 2025
0 to 5 mph W
Chance Snow Showers
A chance of snow showers between 8am and noon, then a chance of rain and snow showers between noon and 3pm. Mostly cloudy, with a high near 38. West wind 0 to 5 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
Saturday Night - 25°F
Dec 06, 2025
5 mph W
Partly Cloudy
Partly cloudy, with a low around 25. West wind around 5 mph.
Sunday - 37°F
Dec 07, 2025
5 mph NW
Partly Sunny
Partly sunny, with a high near 37.
Sunday Night - 18°F
Dec 07, 2025
5 to 10 mph N
Snow Likely
Snow likely after 7pm. Mostly cloudy, with a low around 18. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Monday - 26°F
Dec 08, 2025
10 mph NW
Chance Light Snow then Mostly Sunny
A chance of snow before 9am. Mostly sunny, with a high near 26. Chance of precipitation is 40%. New snow accumulation of 1 to 2 inches possible.
Monday Night - 9°F
Dec 08, 2025
5 to 10 mph NW
Mostly Clear
Mostly clear, with a low around 9.
Tuesday - 32°F
Dec 09, 2025
5 to 10 mph SW
Partly Sunny
Partly sunny, with a high near 32.
Tuesday Night - 24°F
Dec 09, 2025
5 to 10 mph SW
Chance Light Snow
A chance of snow before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Wednesday - 44°F
Dec 10, 2025
5 to 10 mph SW
Mostly Cloudy then Chance Light Rain
A chance of rain after 1pm. Mostly cloudy, with a high near 44. Chance of precipitation is 30%.
Wednesday Night - 33°F
Dec 10, 2025
5 mph SW
Rain And Snow Likely
Rain likely before 11pm, then rain and snow likely. Cloudy, with a low around 33. Chance of precipitation is 70%.
Thursday - 42°F
Dec 11, 2025
5 to 10 mph W
Chance Rain And Snow
A chance of rain and snow. Mostly cloudy, with a high near 42.

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