For More Weather Information:

19NM WSW Islip NY

[NOTICE]

Last Update: 4:14 am EST Nov 23, 2025
Forecast Valid: 12pm EST Nov 23, 2025-6pm EST Nov 29, 2025

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

This Afternoon

WSW wind 7 to 10 kt increasing to 11 to 14 kt. Mostly sunny. Seas 1 to 2 ft.

Tonight

WNW wind around 17 kt, with gusts as high as 24 kt. Mostly clear. Seas around 2 ft.

Monday

NW wind 13 to 16 kt decreasing to 9 to 12 kt in the afternoon. Winds could gust as high as 23 kt. Sunny. Seas 1 to 2 ft.

Monday Night

WNW wind 5 to 7 kt becoming SW after midnight. Increasing clouds. Seas around 1 ft.

Tuesday

SSW wind 9 to 11 kt. A chance of rain after 1pm. Seas 1 to 2 ft.

Tuesday Night

S wind 9 to 12 kt becoming SW after midnight. Rain, mainly before 1am. Seas 2 to 3 ft.

Wednesday

SW wind 8 to 10 kt. A chance of rain after 1pm. Seas around 3 ft.

Wednesday Night

SSW wind 12 to 17 kt becoming W 17 to 22 kt in the evening. A chance of rain. Seas 3 to 4 ft.

Thanksgiving Day

W wind 21 to 23 kt, with gusts as high as 30 kt. Mostly sunny. Seas around 4 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.