For More Weather Information:

19NM WSW Islip NY

[NOTICE]

Last Update: 2:25 am EDT Apr 22, 2026
Forecast Valid: 11am EDT Apr 22, 2026-6pm EDT Apr 28, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON...

Today

SSE wind 12 to 17 kt, with gusts as high as 25 kt. A chance of showers, mainly before 2pm. Seas 3 to 4 ft.

Tonight

NNE wind around 6 kt. Partly cloudy. Seas 2 to 3 ft.

Thursday

NW wind 5 to 10 kt becoming W in the afternoon. Mostly sunny. Seas around 2 ft.

Thursday Night

NW wind 7 to 9 kt becoming N after midnight. Increasing clouds. Seas around 2 ft.

Friday

NE wind around 6 kt becoming SSW in the afternoon. Partly sunny. Seas around 2 ft.

Friday Night

S wind around 7 kt becoming SE after midnight. Mostly cloudy. Seas around 1 ft.

Saturday

ESE wind 9 to 12 kt. A chance of showers after 8am. Seas 1 to 2 ft.

Saturday Night

E wind 9 to 12 kt. A chance of showers. Seas 2 to 3 ft.

Sunday

ENE wind around 12 kt becoming ESE in the afternoon. Partly sunny. Seas 2 to 3 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.