News Headlines

For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 3:30 am EDT Apr 9, 2026
Forecast Valid: 5am EDT Apr 9, 2026-6pm EDT Apr 15, 2026

Today

S wind 5 to 8 kt increasing to 9 to 12 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

Tonight

S wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Patchy fog between 2am and 3am. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming S 8 to 13 kt in the morning. Partly sunny. Seas 1 ft or less.

Friday Night

S wind 12 to 15 kt becoming WSW 9 to 12 kt after midnight. Winds could gust as high as 21 kt. Mostly cloudy. Seas 1 ft or less.

Saturday

NNW wind 8 to 12 kt. Partly sunny, then gradually becoming sunny. Seas 1 ft or less.

Saturday Night

NNW wind 6 to 8 kt becoming NNE after midnight. Mostly clear. Seas 1 ft or less.

Sunday

ENE wind 5 to 9 kt becoming SSE in the afternoon. Mostly sunny. Seas 1 ft or less.

Sunday Night

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

Monday

SSW wind 9 to 13 kt. Mostly cloudy. 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.