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

13NM NW Islip NY

Marine Point Forecast

[NOTICE]

Wednesday
NNW 12kt⇓
< 1ft
Wednesday Night
⇑WSW 12kt
< 1ft
Thursday
⇑WNW 23kt
1ft
Thursday Night
NW 24kt⇓
1ft
Friday
S 7kt
< 1ft
Friday Night
W 8kt
< 1ft
Saturday
W 7kt
< 1ft
Saturday Night
W 9kt
< 1ft
Sunday
NNW 8kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 1:09 am EST Dec 3, 2025
Forecast Valid: 1am EST Dec 3, 2025-6pm EST Dec 9, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Wednesday

NNW wind 9 to 12 kt becoming WNW 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

WSW wind 6 to 9 kt increasing to 9 to 12 kt after midnight. Mostly clear. Seas 1 ft or less.

Thursday

WSW wind 13 to 18 kt becoming WNW 18 to 23 kt in the afternoon. Winds could gust as high as 30 kt. Increasing clouds. Seas around 1 ft.

Thursday Night

NW wind 19 to 24 kt becoming N 10 to 15 kt. Winds could gust as high as 31 kt. Mostly clear. Seas around 1 ft.

Friday

N wind 5 to 7 kt becoming S in the morning. Increasing clouds. Seas 1 ft or less.

Friday Night

SW wind 5 to 8 kt becoming NW after midnight. A chance of light rain between 1am and 4am. Seas 1 ft or less.

Saturday

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

Saturday Night

W wind around 9 kt becoming NW after midnight. Mostly cloudy. Seas 1 ft or less.

Sunday

NNW wind around 8 kt. Partly sunny. Seas 1 ft or less.

*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.