For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

This Afternoon
NNW 10kt
< 1ft
Tonight
N 8kt
< 1ft
Sunday
⇑ENE 20kt
< 1ft
Sunday Night
NE 24kt⇓
1ft
Monday
NW 16kt
1ft
Monday Night
WNW 19kt
1ft
Tuesday
W 19kt
1ft
Tuesday Night
W 17kt
1ft
Wednesday
W 13kt
1ft

Associated Zone Forecast which includes this point

Last Update: 1:05 am EST Jan 24, 2026
Forecast Valid: 12pm EST Jan 24, 2026-6pm EST Jan 30, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING...

This Afternoon

NNW wind around 10 kt. Mostly sunny. Seas 1 ft or less.

Tonight

N wind 6 to 8 kt. A chance of snow after 4am. Seas 1 ft or less.

Sunday

ENE wind 9 to 14 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 26 kt. Snow, mainly after 7am. The snow could be heavy at times. Seas 1 ft or less.

Sunday Night

NE wind 21 to 24 kt decreasing to 16 to 19 kt after midnight. Winds could gust as high as 33 kt. Snow and sleet, becoming all snow after 4am. Seas around 1 ft.

Monday

NNE wind 12 to 16 kt becoming NW in the afternoon. Winds could gust as high as 23 kt. Snow likely, mainly before 1pm. Seas around 1 ft.

Monday Night

WNW wind around 19 kt, with gusts as high as 26 kt. Partly cloudy. Seas around 1 ft.

Tuesday

W wind 15 to 19 kt. Mostly sunny. Seas around 1 ft.

Tuesday Night

W wind 14 to 17 kt. Partly cloudy. Seas around 1 ft.

Wednesday

W wind 11 to 13 kt. Mostly sunny. 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.