For More Weather Information:

13NM WSW Islip NY

[NOTICE]

Last Update: 3:41 am EDT Sep 20, 2026
Forecast Valid: 6am EDT Sep 20, 2026-6pm EDT Sep 26, 2026

Today

SSE wind 10 to 14 kt, with gusts as high as 20 kt. Rain, mainly after 8am. Seas around 2 ft.

Tonight

S wind 8 to 13 kt becoming N after midnight. Periods of rain and possibly a thunderstorm before 2am, then a chance of rain. Seas around 2 ft.

Monday

NE wind 13 to 16 kt. A chance of rain before 8am. Seas around 2 ft.

Monday Night

ENE wind 14 to 17 kt. A chance of showers, mainly after 2am. Seas 2 to 3 ft.

Tuesday

ENE wind 18 to 22 kt. A chance of showers. Seas 3 to 4 ft.

Tuesday Night

ENE wind around 24 kt. Cloudy. Seas 4 to 5 ft.

Wednesday

ENE wind 23 to 26 kt, with gusts as high as 35 kt. Mostly cloudy. Seas 5 to 6 ft.

Wednesday Night

NE wind 23 to 26 kt, with gusts as high as 32 kt. Mostly cloudy. Seas around 6 ft.

Thursday

NE wind 21 to 24 kt, with gusts as high as 32 kt. A chance of showers. Seas around 6 ft.

Winds and waves may be higher in and near tstms.

*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.