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New York, NY Local Forecast Office

14NM N Islip NY

Marine Point Forecast

[NOTICE]

Tuesday
⇑SSW 9kt
< 1ft
Tuesday Night
SW 22kt
1-2ft

Small Craft Advisory
Wednesday
⇑SW 25kt
2ft
Wednesday Night
W 26kt
2-3ft
Thursday
WNW 25kt
3-4ft
Thursday Night
W 26kt
3ft
Friday
W 23kt⇓
2-3ft
Friday Night
WSW 15kt
1-2ft
Saturday
⇑W 24kt
3ft

Associated Zone Forecast which includes this point

Last Update: 1:43 am EST Dec 9, 2025
Forecast Valid: 3am EST Dec 9, 2025-6pm EST Dec 15, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE

Tuesday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Increasing clouds. Seas 1 ft or less.

Tuesday Night

SW wind 18 to 22 kt. A slight chance of snow before 10pm. Seas 1 to 2 ft.

Wednesday

SW wind 17 to 20 kt increasing to 22 to 25 kt in the afternoon. Winds could gust as high as 32 kt. A chance of rain and snow before 10am, then rain. Seas around 2 ft.

Wednesday Night

SW wind 24 to 26 kt becoming W after midnight. A chance of rain before 1am. Seas 2 to 3 ft.

Thursday

WNW wind 21 to 25 kt. Mostly sunny. Seas 3 to 4 ft.

Thursday Night

W wind 23 to 26 kt. Partly cloudy. Seas around 3 ft.

Friday

W wind 20 to 23 kt decreasing to 17 to 20 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Friday Night

WSW wind 13 to 15 kt. A chance of snow. Seas 1 to 2 ft.

Saturday

W wind 16 to 19 kt increasing to 21 to 24 kt in the afternoon. Partly sunny. Seas 1 ft building to 3 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.