For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:10 pm EDT Jul 1, 2026
Forecast Valid: 2pm EDT Jul 1, 2026-6pm EDT Jul 7, 2026

This Afternoon

SSW wind 8 to 10 kt. A slight chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

Tonight

SW wind 8 to 11 kt. A slight chance of showers and thunderstorms before 11pm. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

SSW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Clear. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming W 5 to 7 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Friday Night

WNW wind 5 to 7 kt. A chance of showers before 8pm. Seas 1 ft or less.

Independence Day

Variable winds less than 5 kt becoming W around 6 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Winds and seas 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.