For More Weather Information:

13NM NW Islip NY

[NOTICE]

Last Update: 12:46 pm EST Nov 18, 2025
Forecast Valid: 1pm EST Nov 18, 2025-6pm EST Nov 24, 2025

This Afternoon

WNW wind 10 to 12 kt. Mostly sunny. Seas around 2 ft.

Tonight

WNW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Rain likely, mainly after 4am. Seas 1 to 2 ft.

Wednesday

Variable winds 5 kt or less. Rain likely, mainly before 7am. Seas around 1 ft.

Wednesday Night

Variable winds less than 5 kt becoming NNE around 6 kt in the evening. Mostly cloudy. Seas 1 ft or less.

Thursday

NNE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Partly sunny. Seas 1 ft or less.

Thursday Night

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

Friday

SW wind 6 to 10 kt. Mostly cloudy. Seas 1 ft or less.

Friday Night

WSW wind around 9 kt becoming NNW after midnight. Mostly cloudy. Seas 1 ft or less.

Saturday

N wind 6 to 9 kt. Partly sunny. 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.