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Merrimacport, MA Marine Weather Forecast

Station BGXN3 - Greenland, Great Bay Reserve, NH

March 31, 2026 11:45 pm EDT
Location: 43.059N 70.83W
Wind Direction: ESE (120°)
Wind Speed: 1.9 knots
Atmospheric Pressure: 29.91 in (1013.0 mb)
Air Temperature: 38.1°F (3.4°C)
Dew Point: 37.0°F (2.8°C)


Overnight - 38°F
Apr 01, 2026
5 to 10 mph S
Areas Of Fog
Areas of fog and a chance of showers and thunderstorms. Cloudy, with a low around 38. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday - 57°F
Apr 01, 2026
5 to 10 mph W
Chance Rain Showers then Slight Chance Light Rain
A chance of rain showers before 2pm, then a slight chance of rain between 2pm and 3pm. Mostly cloudy. High near 57, with temperatures falling to around 51 in the afternoon. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night - 34°F
Apr 01, 2026
5 to 10 mph NE
Chance Light Rain
A chance of rain after 7pm. Mostly cloudy, with a low around 34. Northeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Thursday - 38°F
Apr 02, 2026
10 mph E
Chance Rain And Snow then Chance Sleet
A chance of rain before 8am, then a chance of rain and snow between 8am and 10am, then a chance of sleet and a chance of rain. Cloudy, with a high near 38. East wind around 10 mph. Chance of precipitation is 50%.
Thursday Night - 34°F
Apr 02, 2026
5 to 10 mph E
Chance Light Rain
A chance of rain. Cloudy, with a low around 34. East wind 5 to 10 mph. Chance of precipitation is 50%.
Friday - 60°F
Apr 03, 2026
5 to 10 mph S
Chance Light Rain then Mostly Cloudy
A chance of rain before 9am. Mostly cloudy, with a high near 60. Chance of precipitation is 40%.
Friday Night - 45°F
Apr 03, 2026
10 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 45.
Saturday - 58°F
Apr 04, 2026
10 mph N
Partly Sunny then Slight Chance Light Rain
A slight chance of rain after 2pm. Partly sunny, with a high near 58.
Saturday Night - 40°F
Apr 04, 2026
5 to 10 mph E
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Sunday - 60°F
Apr 05, 2026
5 to 15 mph S
Light Rain Likely
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Sunday Night - 38°F
Apr 05, 2026
10 mph W
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday - 49°F
Apr 06, 2026
10 mph W
Slight Chance Light Rain then Partly Sunny
A slight chance of rain before 8am. Partly sunny, with a high near 49.
Monday Night - 32°F
Apr 06, 2026
5 to 10 mph NW
Partly Cloudy
Partly cloudy, with a low around 32.
Tuesday - 47°F
Apr 07, 2026
5 to 10 mph N
Mostly Sunny
Mostly sunny, with a high near 47.

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