For More Weather Information:

15NM WSW Islip NY

[NOTICE]

Last Update: 2:29 pm EDT Jun 30, 2025
Forecast Valid: 4pm EDT Jun 30, 2025-6pm EDT Jul 7, 2025

Tonight

S wind around 8 kt becoming SSW after midnight. A chance of showers and thunderstorms after 11pm. Seas 1 ft or less.

Tuesday

SSW wind 9 to 13 kt. A slight chance of thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Tuesday Night

SW wind 7 to 10 kt. Showers and thunderstorms likely before 2am, then a chance of showers. Seas 1 ft or less.

Wednesday

WSW wind 6 to 8 kt. A chance of showers before 8am. Seas 1 ft or less.

Wednesday Night

SSW wind 5 to 8 kt becoming W after midnight. Partly cloudy. Seas around 1 ft.

Thursday

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

Thursday Night

NW wind around 8 kt. Mostly clear. Seas around 1 ft.

Independence Day

NW wind around 7 kt becoming WSW in the afternoon. Sunny. Seas around 1 ft.

Friday Night

WSW wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

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.