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Matinicus Harbor, ME - Wheaton Island Marine Weather Forecast

Station MISM1 - Matinicus Rock, ME

December 29, 2025 1:10 pm EST
Location: 43.784N 68.855W
Wind Direction: S (170°)
Wind Speed: 19.0 knots
Wind Gust: 22.0 knots
Atmospheric Pressure: 29.29 in (991.8 mb)
Air Temperature: 45.7°F (7.6°C)
Dew Point: 45.7°F (7.6°C)


Today - 43°F
Dec 29, 2025
20 to 25 mph S
Rain
Rain and areas of fog. Cloudy, with a high near 43. South wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tonight - 23°F
Dec 29, 2025
25 to 30 mph SW
Rain then Mostly Cloudy
Rain and patchy fog before 11pm. Mostly cloudy. Low around 23, with temperatures rising to around 30 overnight. Southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday - 28°F
Dec 30, 2025
30 mph W
Slight Chance Light Snow then Freezing Spray
A slight chance of snow between 7am and noon, then freezing spray and a slight chance of snow between noon and 1pm, then freezing spray and a slight chance of freezing rain. Mostly cloudy, with a high near 28. West wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.
Tuesday Night - 19°F
Dec 30, 2025
25 to 30 mph W
Freezing Spray
Freezing spray before 7pm, then freezing spray and a slight chance of snow. Mostly cloudy, with a low around 19. West wind 25 to 30 mph, with gusts as high as 45 mph.
Wednesday - 33°F
Dec 31, 2025
20 to 25 mph W
Freezing Spray then Chance Light Snow
Freezing spray before 9am, then a chance of snow. Mostly cloudy, with a high near 33. West wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
Wednesday Night - 19°F
Dec 31, 2025
15 to 20 mph W
Rain And Snow
Snow likely before 9pm, then rain and snow. Cloudy, with a low around 19. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
New Year's Day - 25°F
Jan 01, 2026
20 mph NW
Light Snow Likely
Snow likely before 2pm. Mostly sunny, with a high near 25. Chance of precipitation is 60%. New snow accumulation of around one inch possible.
Thursday Night - 17°F
Jan 01, 2026
15 to 20 mph W
Slight Chance Light Snow
A slight chance of snow between 7pm and 3am. Partly cloudy, with a low around 17.
Friday - 26°F
Jan 02, 2026
15 mph W
Slight Chance Light Snow
A slight chance of snow. Partly sunny, with a high near 26.
Friday Night - 22°F
Jan 02, 2026
15 mph W
Slight Chance Light Snow
A slight chance of snow before 1am. Mostly cloudy, with a low around 22.
Saturday - 29°F
Jan 03, 2026
15 mph W
Partly Sunny
Partly sunny, with a high near 29.
Saturday Night - 20°F
Jan 03, 2026
15 mph NW
Slight Chance Light Snow
A slight chance of snow. Mostly cloudy, with a low around 20.
Sunday - 27°F
Jan 04, 2026
15 mph NW
Slight Chance Light Snow
A slight chance of snow. Partly sunny, with a high near 27.
Sunday Night - 19°F
Jan 04, 2026
15 mph NW
Slight Chance Light Snow
A slight chance of snow. Partly cloudy, with a low around 19.

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