For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:44 am EDT Jul 25, 2026
Forecast Valid: 7am EDT Jul 25, 2026-6pm EDT Jul 31, 2026

Today

ENE wind 5 to 9 kt. Sunny. Seas 1 ft or less.

Tonight

ESE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Clear. Seas 1 ft or less.

Sunday

NE wind around 6 kt. Sunny. Seas 1 ft or less.

Sunday Night

SSE wind around 6 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 SSE 5 to 8 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Monday Night

SSW wind 8 to 10 kt. A chance of showers. Seas 1 ft or less.

Tuesday

S wind 9 to 12 kt, with gusts as high as 20 kt. Showers likely, then showers and possibly a thunderstorm after 2pm. Seas 1 ft or less.

Tuesday Night

SSE wind 8 to 11 kt. Showers and possibly a thunderstorm before 2am, then a chance of showers. Seas 1 ft or less.

Wednesday

ENE wind around 9 kt becoming N in the afternoon. 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.