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Shelter Island Heights, NY Marine Weather Forecast

Overnight - 65°F
Oct 02, 2026
10 mph SW
Partly Cloudy
Partly cloudy, with a low around 65. Southwest wind around 10 mph.
Friday - 74°F
Oct 02, 2026
9 to 14 mph SW
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 5pm. Mostly sunny. High near 74, with temperatures falling to around 71 in the afternoon. Southwest wind 9 to 14 mph. Chance of precipitation is 30%.
Friday Night - 61°F
Oct 02, 2026
8 to 12 mph NW
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 61. Northwest wind 8 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Saturday - 65°F
Oct 03, 2026
6 to 10 mph NE
Mostly Sunny
Mostly sunny, with a high near 65. Northeast wind 6 to 10 mph.
Saturday Night - 58°F
Oct 03, 2026
6 to 9 mph E
Mostly Clear
Mostly clear, with a low around 58. East wind 6 to 9 mph.
Sunday - 62°F
Oct 04, 2026
9 to 13 mph E
Partly Sunny then Chance Rain Showers
A chance of rain showers after 2pm. Partly sunny, with a high near 62. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Sunday Night - 57°F
Oct 04, 2026
3 to 8 mph NE
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 40%.
Monday - 66°F
Oct 05, 2026
3 to 12 mph NW
Chance Rain Showers then Partly Sunny
A chance of rain showers before 8am. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Monday Night - 49°F
Oct 05, 2026
13 to 17 mph NW
Mostly Clear
Mostly clear, with a low around 49.
Tuesday - 58°F
Oct 06, 2026
10 to 17 mph NW
Sunny
Sunny, with a high near 58.
Tuesday Night - 50°F
Oct 06, 2026
5 to 9 mph NW
Clear
Clear, with a low around 50.
Wednesday - 59°F
Oct 07, 2026
2 to 6 mph W
Sunny
Sunny, with a high near 59.
Wednesday Night - 54°F
Oct 07, 2026
6 mph SW
Mostly Clear
Mostly clear, with a low around 54.
Thursday - 63°F
Oct 08, 2026
5 to 8 mph SW
Sunny
Sunny, with a high near 63.

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