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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

Overnight
NE 9kt⇓
< 1ft
Sunday
⇑W 16kt
< 1ft
Sunday Night
WNW 25kt
1ft
Monday
WNW 19kt⇓
1ft
Monday Night
WSW 13kt
< 1ft
Tuesday
SW 11kt
1ft
Tuesday Night
SSW 15kt
1-2ft
Wednesday
SW 12kt
1ft
Wednesday Night
SW 8kt
1ft

Associated Zone Forecast which includes this point

Last Update: 8:12 pm EST Jan 10, 2026
Forecast Valid: 11pm EST Jan 10, 2026-6pm EST Jan 17, 2026

View Nearby Observations

Detailed Forecast

...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH LATE SUNDAY

Overnight

NE wind 5 to 9 kt becoming variable and less than 5 kt. Rain likely, mainly before 1am. Patchy fog between 1am and 4am. Seas 1 ft or less.

Sunday

W wind 8 to 11 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 22 kt. A slight chance of rain before 10am, then a chance of snow showers after 4pm. Seas 1 ft or less.

Sunday Night

WNW wind 21 to 25 kt. A chance of snow showers, mainly before 7pm. Seas around 1 ft.

Monday

WNW wind 16 to 19 kt becoming W 12 to 15 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Monday Night

WSW wind 11 to 13 kt. Mostly clear. Seas 1 ft or less.

Tuesday

WSW wind 9 to 11 kt becoming SSW in the afternoon. Sunny. Seas around 1 ft.

Tuesday Night

SSW wind 13 to 15 kt. Mostly cloudy. Seas 1 to 2 ft.

Wednesday

SW wind 8 to 12 kt. Cloudy. Seas around 1 ft.

Wednesday Night

SW wind around 8 kt becoming WNW after midnight. A chance of rain. Seas around 1 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.