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New York, NY Local Forecast Office

5NM SSE Islip NY

Marine Point Forecast

[NOTICE]

Sunday
⇑WNW 26kt
1ft
Sunday Night
W 29kt
1ft
Monday
WNW 26kt
1ft
Monday Night
WNW 23kt
1ft
Tuesday
WNW 17kt
1ft
Tuesday Night
WNW 11kt
< 1ft
Wednesday
NNE 7kt
< 1ft
Wednesday Night
⇑ENE 6kt
< 1ft
Thursday
E 7kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:02 am EST Nov 16, 2025
Forecast Valid: 4am EST Nov 16, 2025-6pm EST Nov 22, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS

Sunday

WNW wind 20 to 23 kt increasing to 23 to 26 kt in the afternoon. Winds could gust as high as 35 kt. Mostly cloudy, then gradually becoming sunny. Seas around 1 ft.

Sunday Night

W wind 27 to 29 kt, with gusts as high as 37 kt. Partly cloudy. Seas around 1 ft.

Monday

WNW wind 23 to 26 kt, with gusts as high as 33 kt. Mostly sunny. Seas around 1 ft.

Monday Night

WNW wind 19 to 23 kt. Mostly clear. Seas around 1 ft.

Tuesday

WNW wind 14 to 17 kt, with gusts as high as 23 kt. Mostly sunny. Seas around 1 ft.

Tuesday Night

WNW wind 6 to 11 kt. Mostly cloudy. Seas 1 ft or less.

Wednesday

NW wind 5 to 7 kt becoming NE in the afternoon. Partly sunny. Seas 1 ft or less.

Wednesday Night

Variable winds less than 5 kt becoming ENE around 6 kt in the evening. Mostly cloudy. Seas 1 ft or less.

Thursday

E wind around 7 kt. Mostly cloudy. Seas 1 ft or less.

*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.