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Greenport, NY Marine Weather Forecast

This Afternoon - 36°F
Dec 05, 2025
3 mph E
Mostly Cloudy
Mostly cloudy. High near 36, with temperatures falling to around 31 in the afternoon. East wind around 3 mph.
Tonight - 31°F
Dec 05, 2025
2 mph E
Mostly Cloudy then Slight Chance Drizzle
A slight chance of drizzle after 1am. Mostly cloudy. Low around 31, with temperatures rising to around 35 overnight. East wind around 2 mph. Chance of precipitation is 20%.
Saturday - 45°F
Dec 06, 2025
3 to 7 mph S
Chance Light Snow
A slight chance of drizzle before 7am, then a chance of snow and a chance of drizzle between 7am and 4pm. Cloudy. High near 45, with temperatures falling to around 41 in the afternoon. South wind 3 to 7 mph. Chance of precipitation is 30%.
Saturday Night - 32°F
Dec 06, 2025
8 mph NW
Partly Cloudy
Partly cloudy, with a low around 32. Northwest wind around 8 mph.
Sunday - 41°F
Dec 07, 2025
7 mph NW
Partly Sunny
Partly sunny. High near 41, with temperatures falling to around 39 in the afternoon. Northwest wind around 7 mph.
Sunday Night - 27°F
Dec 07, 2025
3 to 13 mph W
Mostly Cloudy then Slight Chance Light Snow
A slight chance of rain between 1am and 4am, then a slight chance of snow. Mostly cloudy. Low around 27, with temperatures rising to around 31 overnight.
Monday - 34°F
Dec 08, 2025
15 mph NW
Slight Chance Light Snow then Mostly Sunny
A slight chance of snow before 7am. Mostly sunny, with a high near 34.
Monday Night - 21°F
Dec 08, 2025
6 to 13 mph N
Partly Cloudy
Partly cloudy, with a low around 21.
Tuesday - 41°F
Dec 09, 2025
6 to 12 mph W
Mostly Sunny
Mostly sunny, with a high near 41.
Tuesday Night - 34°F
Dec 09, 2025
12 mph SW
Slight Chance Light Rain
A slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 34.
Wednesday - 49°F
Dec 10, 2025
9 to 14 mph SW
Mostly Cloudy then Chance Light Rain
A chance of rain after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 30%.
Wednesday Night - 38°F
Dec 10, 2025
13 mph SW
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Thursday - 46°F
Dec 11, 2025
14 mph W
Chance Light Rain
A chance of rain. Partly sunny, with a high near 46. Chance of precipitation is 50%.
Thursday Night - 32°F
Dec 11, 2025
14 mph W
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 32.

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