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

11NM ESE Islip NY

Marine Point Forecast

[NOTICE]

Wednesday
NNW 17kt⇓
1-2ft
Wednesday Night
⇑W 15kt
1-2ft
Thursday
⇑W 23kt
2ft
Thursday Night
NW 26kt⇓
1-2ft
Friday
SSW 10kt
1ft
Friday Night
SW 10kt
1ft
Saturday
W 11kt
1ft
Saturday Night
W 10kt
1ft
Sunday
NNW 11kt
1ft

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 6 AM EST EARLY THIS

Wednesday

NNW wind 14 to 17 kt decreasing to 8 to 11 kt in the afternoon. Sunny. Seas 1 to 2 ft.

Wednesday Night

W wind 6 to 9 kt increasing to 12 to 15 kt after midnight. Mostly clear. Seas 1 to 2 ft.

Thursday

W wind 16 to 19 kt increasing to 20 to 23 kt in the afternoon. Winds could gust as high as 30 kt. Increasing clouds. Seas around 2 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 1 to 2 ft.

Friday

N wind 7 to 10 kt becoming S in the afternoon. Increasing clouds. Seas around 1 ft.

Friday Night

SW wind 6 to 10 kt becoming NNW after midnight. A chance of light rain. Seas around 1 ft.

Saturday

N wind 6 to 11 kt becoming W in the afternoon. A chance of light rain before 1pm. Seas around 1 ft.

Saturday Night

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

Sunday

NNW wind 9 to 11 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.