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Shelter Island Heights, NY Marine Weather Forecast

Today - 31°F
Dec 26, 2025
3 to 10 mph NE
Mostly Cloudy then Chance Light Snow
A chance of snow after 4pm. Mostly cloudy. High near 31, with temperatures falling to around 27 in the afternoon. Wind chill values as low as 11. Northeast wind 3 to 10 mph. Chance of precipitation is 40%. New snow accumulation of less than half an inch possible.
Tonight - 24°F
Dec 26, 2025
3 to 13 mph E
Light Snow
Snow. Cloudy. Low around 24, with temperatures rising to around 27 overnight. Wind chill values as low as 16. East wind 3 to 13 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday - 33°F
Dec 27, 2025
7 to 13 mph NE
Light Snow
Snow before 1pm. Partly sunny. High near 33, with temperatures falling to around 31 in the afternoon. Wind chill values as low as 16. Northeast wind 7 to 13 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night - 23°F
Dec 27, 2025
3 to 7 mph N
Partly Cloudy
Partly cloudy. Low around 23, with temperatures rising to around 25 overnight. Wind chill values as low as 20. North wind 3 to 7 mph.
Sunday - 40°F
Dec 28, 2025
3 to 7 mph W
Partly Sunny then Slight Chance Light Rain
A slight chance of rain after 4pm. Partly sunny. High near 40, with temperatures falling to around 36 in the afternoon. West wind 3 to 7 mph. Chance of precipitation is 20%.
Sunday Night - 33°F
Dec 28, 2025
8 mph SW
Light Rain
Rain. Cloudy. Low around 33, with temperatures rising to around 41 overnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday - 48°F
Dec 29, 2025
8 to 15 mph SW
Light Rain
Rain. Cloudy, with a high near 48. Chance of precipitation is 90%.
Monday Night - 27°F
Dec 29, 2025
15 to 23 mph W
Light Rain
Rain before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 80%.
Tuesday - 33°F
Dec 30, 2025
22 mph W
Partly Sunny
Partly sunny, with a high near 33.
Tuesday Night - 26°F
Dec 30, 2025
16 to 20 mph W
Mostly Cloudy
Mostly cloudy, with a low around 26.
Wednesday - 37°F
Dec 31, 2025
16 mph W
Mostly Sunny
Mostly sunny, with a high near 37.
Wednesday Night - 23°F
Dec 31, 2025
12 to 15 mph W
Mostly Cloudy
Mostly cloudy, with a low around 23.
New Year's Day - 32°F
Jan 01, 2026
10 to 14 mph W
Slight Chance Light Snow
A slight chance of snow between 7am and 1pm. Partly sunny, with a high near 32.
Thursday Night - 22°F
Jan 01, 2026
13 mph W
Mostly Cloudy
Mostly cloudy, with a low around 22.

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