For More Weather Information:

18NM WSW Islip NY

[NOTICE]

Last Update: 3:20 pm EDT Oct 22, 2026
Forecast Valid: 12am EDT Oct 23, 2026-6pm EDT Oct 29, 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

Overnight

N wind around 12 kt. Clear. Seas 1 ft or less.

Friday

NNE wind 8 to 10 kt. Sunny. Seas 1 ft or less.

Friday Night

NNE wind around 6 kt. Mostly clear. Seas 1 ft or less.

Saturday

N wind around 6 kt becoming W in the afternoon. Sunny. Seas 1 ft or less.

Saturday Night

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

Sunday

Variable winds less than 5 kt becoming WSW around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

Variable winds 5 kt or less. Clear. Seas 1 ft or less.

Monday

W wind 5 to 7 kt. Sunny. Seas 1 ft or less.

Monday Night

W wind 5 to 7 kt becoming NNW after midnight. Mostly clear. 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.