For More Weather Information:

19NM WSW Islip NY

[NOTICE]

Last Update: 2:02 pm EDT Oct 4, 2025
Forecast Valid: 6pm EDT Oct 4, 2025-6pm EDT Oct 11, 2025

Tonight

SSW wind 5 to 10 kt becoming variable and less than 5 kt. Mostly clear. Seas 2 to 3 ft.

Sunday

Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Sunny. Seas around 2 ft.

Sunday Night

SW wind around 8 kt. Clear. Seas around 2 ft.

Monday

SW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 2 ft.

Monday Night

SW wind 10 to 12 kt. Mostly clear. Seas around 2 ft.

Tuesday

SSW wind 9 to 12 kt increasing to 12 to 15 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Tuesday Night

SSW wind 14 to 17 kt, with gusts as high as 23 kt. Showers, mainly after 2am. Seas 3 to 4 ft.

Wednesday

W wind around 12 kt becoming NNW in the afternoon. Showers. Seas 2 to 3 ft.

Wednesday Night

N wind 14 to 16 kt. A chance of showers. Seas around 2 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.