For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:34 am EDT Jul 10, 2026
Forecast Valid: 7am EDT Jul 10, 2026-6pm EDT Jul 16, 2026

Today

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Seas 1 ft or less.

Saturday

NE wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. A slight chance of showers between 11am and 2pm. Seas 1 ft or less.

Saturday Night

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

Sunday

NNE wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

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

Monday

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

Monday Night

SW wind 8 to 11 kt. Mostly clear. Seas around 1 ft.

Tuesday

WSW wind 7 to 9 kt. Sunny. Seas around 1 ft.

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.