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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

Today
S 6kt⇓
< 1ft
Tonight
Light Wind
< 1ft
Saturday
⇑W 11kt
< 1ft
Saturday Night
W 19kt
1ft
Sunday
W 17kt
1ft
Sunday Night
W 17kt
1ft
Monday
WNW 18kt
1ft
Monday Night
W 12kt
< 1ft
Tuesday
WSW 12kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 2:56 am EST Nov 6, 2026
Forecast Valid: 10am EST Nov 6, 2026-6pm EST Nov 12, 2026

View Nearby Observations

Detailed Forecast

Today

S wind around 6 kt becoming variable and less than 5 kt in the afternoon. Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Rain likely, mainly before 10pm. Seas 1 ft or less.

Saturday

NW wind 5 to 8 kt becoming W 8 to 11 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Saturday Night

W wind 16 to 19 kt. Partly cloudy. Seas around 1 ft.

Sunday

W wind 12 to 17 kt. Sunny. Seas around 1 ft.

Sunday Night

W wind 13 to 17 kt. Mostly clear. Seas around 1 ft.

Monday

WNW wind 16 to 18 kt, with gusts as high as 24 kt. Sunny. Seas around 1 ft.

Monday Night

W wind 9 to 12 kt. Mostly clear. Seas 1 ft or less.

Tuesday

WSW wind 10 to 12 kt. Sunny. Seas 1 ft or less.

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.