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18NM WSW Islip NY

[NOTICE]

Last Update: 1:55 am EDT Oct 15, 2026
Forecast Valid: 5am EDT Oct 15, 2026-6pm EDT Oct 21, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH

Today

N wind 6 to 11 kt becoming ENE in the afternoon. Mostly sunny. Seas 1 ft or less.

Tonight

SE wind 8 to 12 kt. Showers likely, mainly after 5am. Seas 1 ft or less.

Friday

S wind 13 to 15 kt becoming SSW in the afternoon. Showers likely before 2pm, then a chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

Friday Night

SW wind 13 to 16 kt becoming NW after midnight. Showers and thunderstorms. Seas 1 ft or less.

Saturday

NNW wind 16 to 19 kt. Showers likely before 8am. Seas 1 ft or less.

Saturday Night

N wind 11 to 15 kt. Mostly clear. Seas 1 ft or less.

Sunday

N wind around 10 kt becoming NW in the afternoon. Sunny. Seas 1 ft or less.

Sunday Night

SSW wind around 10 kt becoming N in the evening. Mostly clear. Seas 1 ft or less.

Monday

N wind 9 to 11 kt becoming SSE in the afternoon. 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.