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, 06:00 AM EST

For More Weather Information:

New York, NY Local Forecast Office

14NM N Islip NY

Marine Point Forecast

[NOTICE]

Wednesday
NNW 17kt⇓
1-2ft
Wednesday Night
⇑WSW 14kt
1ft
Thursday
⇑WNW 25kt
2-3ft
Thursday Night
NW 28kt⇓
4ft
Friday
SSW 8kt
1ft
Friday Night
SW 9kt
1ft
Saturday
W 7kt
1ft
Saturday Night
WNW 10kt
1ft
Sunday
NNW 8kt
1ft

Associated Zone Forecast which includes this point

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

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EST EARLY THIS

Wednesday

NNW wind 12 to 17 kt becoming WNW 5 to 8 kt. Sunny. Seas 1 to 2 ft.

Wednesday Night

WSW wind 7 to 10 kt increasing to 11 to 14 kt after midnight. Mostly clear. Seas around 1 ft.

Thursday

W wind 15 to 20 kt becoming WNW 20 to 25 kt in the afternoon. Winds could gust as high as 32 kt. Increasing clouds. Seas 2 to 3 ft.

Thursday Night

NW wind 23 to 28 kt becoming N 12 to 17 kt. Winds could gust as high as 35 kt. Mostly clear. Seas 4 ft subsiding to 2 ft.

Friday

N wind 6 to 8 kt becoming S in the afternoon. Increasing clouds. Seas around 1 ft.

Friday Night

SW wind 6 to 9 kt becoming NW after midnight. A chance of light rain after 1am. Seas around 1 ft.

Saturday

NNW wind 5 to 7 kt becoming W in the afternoon. Partly sunny. Seas around 1 ft.

Saturday Night

W wind around 10 kt becoming NW after midnight. Mostly cloudy. Seas around 1 ft.

Sunday

NNW wind around 8 kt. Partly 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.