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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]

This Afternoon
NW 29kt
3ft

Gale Warning
Tonight
NW 31kt⇓
3-4ft

Gale Warning
Sunday
NW 22kt
3ft

Gale Warning
Sunday Night
NNW 18kt
3ft
Monday
NW 12kt
2-3ft
Monday Night
WNW 9kt
2ft
Tuesday
SW 8kt
2ft
Tuesday Night
W 10kt
2ft
Wednesday
WNW 15kt
2ft

Associated Zone Forecast which includes this point

Last Update: 1:09 pm EST Feb 7, 2026
Forecast Valid: 1pm EST Feb 7, 2026-6pm EST Feb 13, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT THROUGH SUNDAY MORNING...

This Afternoon

NW wind 26 to 29 kt, with gusts as high as 41 kt. A slight chance of snow. Patchy freezing spray. Seas around 3 ft.

Tonight

NW wind 28 to 31 kt decreasing to 23 to 26 kt after midnight. Winds could gust as high as 43 kt. Widespread freezing spray. Mostly cloudy, then gradually becoming mostly clear. Seas 3 to 4 ft.

Sunday

NW wind 19 to 22 kt. Widespread freezing spray, mainly before 1pm. Sunny. Seas around 3 ft.

Sunday Night

NNW wind 13 to 18 kt. Mostly clear. Seas around 3 ft.

Monday

NW wind 9 to 12 kt. Sunny. Seas 2 to 3 ft.

Monday Night

WNW wind 7 to 9 kt. Mostly cloudy. Seas around 2 ft.

Tuesday

WNW wind 6 to 8 kt becoming SSW in the afternoon. Mostly cloudy. Seas around 2 ft.

Tuesday Night

SSW wind 8 to 10 kt becoming W after midnight. Mostly cloudy. Seas around 2 ft.

Wednesday

WNW wind 11 to 15 kt. Partly sunny. Seas around 2 ft.

*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.