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Atlantic Heights, NH Marine Weather Forecast

Station SEIM1 - 8419870 - Seavey Island, ME

April 1, 2026 7:00 am EDT
Location: 43.08N 70.742W
Atmospheric Pressure: 29.88 in (1011.8 mb)
Pressure Tendency: +0.04 in (+1.3 mb)
Air Temperature: 41.5°F (5.3°C)
Dew Point: 41.5°F (5.3°C)
Water Temperature: 41.0°F (5.0°C)


Today - 55°F
Apr 01, 2026
5 to 10 mph NW
Chance Rain Showers
A chance of rain showers before 3pm. Partly sunny. High near 55, with temperatures falling to around 49 in the afternoon. Northwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 35°F
Apr 01, 2026
5 to 10 mph NE
Chance Rain Showers
A chance of rain showers after 8pm. Mostly cloudy, with a low around 35. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday - 38°F
Apr 02, 2026
10 to 15 mph NE
Chance Sleet
A chance of rain showers before 11am, then a chance of sleet between 11am and 1pm, then a chance of sleet and a chance of rain showers. Cloudy, with a high near 38. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Thursday Night - 37°F
Apr 02, 2026
5 to 10 mph E
Chance Light Rain
A chance of rain showers before 8pm, then a chance of rain. Cloudy, with a low around 37. East wind 5 to 10 mph. Chance of precipitation is 50%.
Friday - 55°F
Apr 03, 2026
5 to 10 mph SE
Chance Light Rain then Mostly Cloudy
A chance of rain before 9am. Mostly cloudy, with a high near 55. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Friday Night - 47°F
Apr 03, 2026
10 mph SW
Mostly Cloudy
Mostly cloudy, with a low around 47.
Saturday - 53°F
Apr 04, 2026
5 to 10 mph N
Partly Sunny
Partly sunny, with a high near 53.
Saturday Night - 40°F
Apr 04, 2026
5 to 10 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
Sunday - 55°F
Apr 05, 2026
5 to 15 mph S
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Sunday Night - 39°F
Apr 05, 2026
10 to 15 mph SW
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Monday - 46°F
Apr 06, 2026
10 mph W
Slight Chance Rain Showers then Mostly Sunny
A slight chance of rain showers before 9am. Mostly sunny, with a high near 46.
Monday Night - 34°F
Apr 06, 2026
5 to 10 mph NW
Mostly Clear
Mostly clear, with a low around 34.
Tuesday - 43°F
Apr 07, 2026
5 to 10 mph NE
Mostly Sunny
Mostly sunny, with a high near 43.
Tuesday Night - 33°F
Apr 07, 2026
10 mph E
Mostly Cloudy
Mostly cloudy, with a low around 33.

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