For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 2:20 am EDT Apr 3, 2026
Forecast Valid: 5am EDT Apr 3, 2026-6pm EDT Apr 9, 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

Today

Variable winds less than 5 kt becoming SW 5 to 9 kt in the afternoon. Patchy fog before 1pm. Seas 1 ft or less.

Tonight

SSW wind 8 to 13 kt. Patchy fog after 5am. Seas 1 ft or less.

Saturday

Variable winds less than 5 kt becoming E 5 to 9 kt in the afternoon. A chance of showers after 2pm. Seas 1 ft or less.

Saturday Night

E wind 11 to 16 kt. A chance of showers. Seas 1 ft or less.

Sunday

S wind around 15 kt becoming SW in the afternoon. Winds could gust as high as 21 kt. Showers. Seas 1 ft or less.

Sunday Night

WNW wind around 13 kt. Cloudy during the early evening, then gradual clearing. Seas around 1 ft.

Monday

WNW wind around 14 kt. Mostly sunny. Seas around 1 ft.

Monday Night

WNW wind 5 to 7 kt. Partly cloudy. Seas 1 ft or less.

Tuesday

NW wind 6 to 9 kt. Partly 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.