For More Weather Information:

13NM E Islip NY

[NOTICE]

Last Update: 1:39 pm EDT Sep 30, 2025
Forecast Valid: 6pm EDT Sep 30, 2025-6pm EDT Oct 7, 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT

Tonight

NNE wind 9 to 12 kt increasing to 13 to 16 kt after midnight. Partly cloudy. Seas 1 to 2 ft.

Wednesday

NNE wind 15 to 18 kt, with gusts as high as 24 kt. Sunny. Seas around 2 ft.

Wednesday Night

NE wind around 14 kt. Mostly clear. Seas around 2 ft.

Thursday

NE wind 10 to 13 kt. Sunny. Seas 1 to 2 ft.

Thursday Night

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

Friday

Variable winds less than 5 kt becoming WSW 5 to 9 kt in the morning. Partly sunny, then gradually becoming sunny. Seas around 1 ft.

Friday Night

WSW wind around 9 kt. Clear. Seas around 1 ft.

Saturday

WSW wind around 9 kt. Sunny. Seas around 1 ft.

Saturday Night

WSW wind around 8 kt. Mostly clear. Seas around 1 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.