For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:00 am EDT May 4, 2026
Forecast Valid: 9am EDT May 4, 2026-6pm EDT May 10, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING

Today

SW wind 11 to 13 kt, with gusts as high as 22 kt. Sunny. Seas 1 ft or less.

Tonight

S wind 12 to 14 kt. Mostly clear. Seas 1 ft or less.

Tuesday

S wind 11 to 14 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 25 kt. Sunny. Seas 1 ft or less.

Tuesday Night

SSW wind 19 to 24 kt. Mostly cloudy. Seas around 1 ft.

Wednesday

S wind 17 to 19 kt, with gusts as high as 25 kt. Showers, mainly after 2pm. Seas 1 ft or less.

Wednesday Night

SSW wind 13 to 16 kt becoming WNW 9 to 12 kt after midnight. Rain, mainly before 2am. Seas 1 ft or less.

Thursday

NNW wind around 7 kt. Showers likely, mainly after 2pm. Seas 1 ft or less.

Thursday Night

WNW wind 8 to 11 kt. Showers likely. Seas 1 ft or less.

Friday

W wind around 14 kt. 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.