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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

Today
SSW 11kt
< 1ft
Tonight
SSW 13kt⇓
< 1ft
Friday
Light Wind
< 1ft
Friday Night
Light Wind
< 1ft
Saturday
W 8kt
< 1ft
Saturday Night
W 16kt
< 1ft
Sunday
WNW 16kt
1ft
Sunday Night
W 12kt
< 1ft
Monday
WNW 15kt
1ft

Associated Zone Forecast which includes this point

Last Update: 7:33 am EST Nov 5, 2026
Forecast Valid: 10am EST Nov 5, 2026-6pm EST Nov 11, 2026

View Nearby Observations

Detailed Forecast

Today

SSW wind 9 to 11 kt. A chance of rain, mainly after 4pm. Seas 1 ft or less.

Tonight

SSW wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Rain, mainly between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Rain and possibly a thunderstorm. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. A chance of rain before 1am. Seas 1 ft or less.

Saturday

WNW wind 5 to 8 kt becoming W in the afternoon. A slight chance of rain after 1pm. Seas 1 ft or less.

Saturday Night

W wind 12 to 16 kt. Partly cloudy. Seas 1 ft or less.

Sunday

WNW wind 11 to 16 kt. Sunny. Seas around 1 ft.

Sunday Night

W wind 10 to 12 kt. Mostly clear. Seas 1 ft or less.

Monday

WNW wind 12 to 15 kt, with gusts as high as 23 kt. Sunny. Seas around 1 ft.

Winds and seas may be higher in and near tstms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.