Your Ultimate Boating Resource

HomeForecastsNew York ForecastsShelter Island, NY Marine Weather

Shelter Island, NY Marine Weather Forecast

Tonight - 27°F
Dec 29, 2025
25 mph W
Partly Cloudy
Partly cloudy, with a low around 27. Wind chill values as low as 13. West wind around 25 mph, with gusts as high as 45 mph.
Tuesday - 33°F
Dec 30, 2025
25 mph W
Mostly Cloudy
Mostly cloudy. High near 33, with temperatures falling to around 30 in the afternoon. Wind chill values as low as 12. West wind around 25 mph, with gusts as high as 46 mph.
Tuesday Night - 26°F
Dec 30, 2025
16 to 24 mph W
Mostly Cloudy
Mostly cloudy. Low around 26, with temperatures rising to around 28 overnight. Wind chill values as low as 14. West wind 16 to 24 mph, with gusts as high as 37 mph.
Wednesday - 36°F
Dec 31, 2025
13 to 16 mph W
Partly Sunny
Partly sunny. High near 36, with temperatures falling to around 34 in the afternoon. Wind chill values as low as 16. West wind 13 to 16 mph, with gusts as high as 26 mph.
Wednesday Night - 23°F
Dec 31, 2025
14 mph W
Chance Rain And Snow
A chance of rain and snow after 7pm. Mostly cloudy. Low around 23, with temperatures rising to around 27 overnight. West wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
New Year's Day - 31°F
Jan 01, 2026
14 mph NW
Chance Light Snow
A chance of snow before 1pm. Mostly sunny. High near 31, with temperatures falling to around 27 in the afternoon. Chance of precipitation is 30%.
Thursday Night - 21°F
Jan 01, 2026
12 mph W
Partly Cloudy
Partly cloudy, with a low around 21.
Friday - 33°F
Jan 02, 2026
12 mph W
Mostly Sunny
Mostly sunny, with a high near 33.
Friday Night - 26°F
Jan 02, 2026
9 mph W
Partly Cloudy
Partly cloudy, with a low around 26.
Saturday - 35°F
Jan 03, 2026
8 mph NW
Mostly Sunny
Mostly sunny, with a high near 35.
Saturday Night - 23°F
Jan 03, 2026
7 mph NW
Slight Chance Light Snow
A slight chance of snow after 7pm. Partly cloudy, with a low around 23.
Sunday - 34°F
Jan 04, 2026
9 mph NW
Slight Chance Light Snow then Mostly Sunny
A slight chance of snow before 7am. Mostly sunny, with a high near 34.
Sunday Night - 24°F
Jan 04, 2026
8 mph NW
Mostly Cloudy
Mostly cloudy, with a low around 24.
Monday - 38°F
Jan 05, 2026
10 mph SW
Mostly Cloudy then Slight Chance Rain And Snow
A slight chance of rain and snow after 1pm. Mostly cloudy, with a high near 38.

Don't Miss