For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 5:27 am EDT Aug 31, 2025
Forecast Valid: 12pm EDT Aug 31, 2025-6pm EDT Sep 6, 2025

This Afternoon

ENE wind around 6 kt becoming SE. Sunny. Seas around 2 ft.

Tonight

Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.

Labor Day

NE wind 10 to 13 kt becoming E in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Monday Night

NE wind around 10 kt. Mostly clear. Seas around 3 ft.

Tuesday

NNE wind 8 to 10 kt becoming ESE in the afternoon. Sunny. Seas around 3 ft.

Tuesday Night

S wind around 8 kt becoming SW after midnight. Mostly clear. Seas around 4 ft.

Wednesday

WSW wind 6 to 11 kt becoming S in the afternoon. Sunny. Seas 3 to 4 ft.

Wednesday Night

SSW wind 10 to 13 kt. Partly cloudy. Seas around 3 ft.

Thursday

S wind 9 to 13 kt. Mostly sunny. 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.