For More Weather Information:

5NM SSW Islip NY

[NOTICE]

Last Update: 2:02 pm EDT Aug 31, 2025
Forecast Valid: 10pm EDT Aug 31, 2025-6pm EDT Sep 7, 2025

Tonight

Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Labor Day

NE wind 8 to 12 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.

Monday Night

E wind 5 to 7 kt becoming NE after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

NNE wind around 8 kt becoming E in the afternoon. Sunny. Seas around 1 ft.

Tuesday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming SSW 5 to 9 kt in the afternoon. Sunny. Seas 1 ft or less.

Wednesday Night

SSW wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

Thursday

S wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Thursday Night

SSE wind around 10 kt. A chance of showers. 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.