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New York, NY Local Forecast Office

22NM SW Islip NY

Marine Point Forecast

[NOTICE]

Saturday
E 10kt
2ft
Saturday Night
SSE 12kt
2ft
Sunday
S 11kt
3ft
Sunday Night
W 10kt
3ft
Monday
NNW 14kt
3ft
Monday Night
NNE 16kt
3ft
Tuesday
NE 14kt
2-3ft
Tuesday Night
SE 10kt
2ft
Wednesday
S 11kt
2ft

Associated Zone Forecast which includes this point

Last Update: 2:27 pm EDT Sep 11, 2026
Forecast Valid: 1am EDT Sep 12, 2026-6pm EDT Sep 18, 2026

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Detailed Forecast

Saturday

ENE wind around 10 kt becoming SE in the afternoon. Mostly sunny. Seas around 2 ft.

Saturday Night

SSE wind around 12 kt. A chance of showers and thunderstorms between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Seas around 2 ft.

Sunday

S wind 9 to 11 kt becoming SW in the afternoon. Showers and possibly a thunderstorm before 2pm, then a slight chance of showers. Seas around 3 ft.

Sunday Night

SW wind 8 to 10 kt becoming W after midnight. A slight chance of showers before 8pm. Seas around 3 ft.

Monday

NNW wind 11 to 14 kt. Mostly sunny. Seas around 3 ft.

Monday Night

NNE wind around 16 kt. Mostly clear. Seas around 3 ft.

Tuesday

NE wind 9 to 14 kt becoming ESE in the afternoon. Sunny. Seas 2 to 3 ft.

Tuesday Night

SE wind 8 to 10 kt becoming S after midnight. Partly cloudy. Seas around 2 ft.

Wednesday

S wind 7 to 11 kt. Sunny. Seas around 2 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.