For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:21 pm EDT Jul 23, 2026
Forecast Valid: 6pm EDT Jul 23, 2026-6pm EDT Jul 30, 2026

Tonight

Variable winds 5 kt or less. Clear. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming ENE around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

Friday Night

SE wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.

Saturday

E wind 5 to 9 kt. Mostly sunny. Seas 1 ft or less.

Saturday Night

ESE wind 5 to 8 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds less than 5 kt becoming E around 6 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Sunday Night

SSE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

Monday

Variable winds less than 5 kt becoming S 5 to 9 kt in the morning. Mostly sunny. Seas 1 ft or less.

Monday Night

SSW wind 6 to 9 kt. A chance of showers. 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.