Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Hazardous Weather Conditions

Small Craft Advisory until December 3, 12:00 PM EST

For More Weather Information:

New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]

Wednesday
NNW 17kt⇓
4ft

Small Craft Advisory
Wednesday Night
⇑W 17kt
3-4ft
Thursday
⇑W 24kt
4-5ft
Thursday Night
NW 26kt⇓
5ft
Friday
SSW 11kt
2ft
Friday Night
SW 11kt
2ft
Saturday
W 11kt
2ft
Saturday Night
W 12kt
2ft
Sunday
NNW 11kt
2ft

Associated Zone Forecast which includes this point

Last Update: 3:11 am EST Dec 3, 2025
Forecast Valid: 4am EST Dec 3, 2025-6pm EST Dec 9, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EST TODAY...

Wednesday

NNW wind 14 to 17 kt decreasing to 8 to 11 kt in the afternoon. Sunny. Seas around 4 ft.

Wednesday Night

W wind 9 to 12 kt increasing to 14 to 17 kt after midnight. Winds could gust as high as 23 kt. Mostly clear. Seas 3 to 4 ft.

Thursday

W wind 17 to 20 kt increasing to 21 to 24 kt in the afternoon. Winds could gust as high as 31 kt. Increasing clouds. Seas 4 to 5 ft.

Thursday Night

NW wind 21 to 26 kt becoming N 12 to 17 kt. Winds could gust as high as 34 kt. Mostly clear. Seas 5 ft subsiding to 3 ft.

Friday

N wind 8 to 11 kt becoming S in the afternoon. Partly sunny. Seas around 2 ft.

Friday Night

SW wind 9 to 11 kt becoming NNW after midnight. A chance of light rain. Seas around 2 ft.

Saturday

NNW wind 7 to 11 kt becoming W in the afternoon. A chance of light rain before 1pm. Seas around 2 ft.

Saturday Night

W wind around 12 kt becoming NW after midnight. Mostly cloudy. Seas around 2 ft.

Sunday

NNW wind around 11 kt. Partly sunny. Seas around 2 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.