For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:27 am EDT Mar 25, 2026
Forecast Valid: 1pm EDT Mar 25, 2026-6pm EDT Mar 31, 2026

This Afternoon

Variable winds less than 5 kt becoming SSW 5 to 7 kt. Partly sunny. Seas 1 ft or less.

Tonight

S wind 8 to 10 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

SSW wind 11 to 14 kt. Cloudy, then gradually becoming mostly sunny. Seas 1 ft or less.

Thursday Night

SSW wind 13 to 16 kt. Rain, mainly after 2am. Seas 1 ft or less.

Friday

N wind 13 to 15 kt. Rain, mainly before 8am. Seas 1 ft or less.

Friday Night

N wind 10 to 13 kt. Partly cloudy. Seas 1 ft or less.

Saturday

N wind 8 to 10 kt becoming WNW in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

W wind around 7 kt. Partly cloudy. Seas 1 ft or less.

Sunday

W wind 7 to 9 kt. Sunny. Seas 1 ft or less.

*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.