For More Weather Information:

12NM NW Islip NY

[NOTICE]

Last Update: 4:52 am EDT Sep 28, 2026
Forecast Valid: 7am EDT Sep 28, 2026-6pm EDT Oct 4, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON...

Today

NE wind 17 to 20 kt decreasing to 12 to 15 kt in the afternoon. Showers, mainly before 2pm. Seas 1 to 2 ft.

Tonight

N wind 7 to 10 kt. Cloudy, then gradually becoming partly cloudy. Seas around 1 ft.

Tuesday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Tuesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Wednesday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SSW 5 to 8 kt in the morning. Mostly sunny. Seas 1 ft or less.

Thursday Night

SW wind around 9 kt. Partly cloudy. Seas around 1 ft.

Friday

WSW wind around 7 kt. Mostly sunny. Seas around 1 ft.

*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.