For More Weather Information:

19NM WSW Islip NY

[NOTICE]

Last Update: 3:16 am EDT Sep 19, 2026
Forecast Valid: 6am EDT Sep 19, 2026-6pm EDT Sep 25, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

Today

NE wind 11 to 14 kt becoming E in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Seas around 2 ft.

Tonight

ESE wind around 11 kt. Mostly cloudy. Seas around 2 ft.

Sunday

SE wind 12 to 14 kt. Rain, with thunderstorms also possible after 5pm. Seas 2 to 3 ft.

Sunday Night

S wind 8 to 13 kt becoming N after midnight. Rain and possibly a thunderstorm. Seas 2 to 3 ft.

Monday

NE wind 12 to 16 kt, with gusts as high as 22 kt. A chance of rain, mainly before 8am. Seas around 2 ft.

Monday Night

ENE wind 12 to 16 kt. Mostly cloudy. Seas around 2 ft.

Tuesday

ENE wind 17 to 19 kt. A chance of showers after 8am. Seas 3 to 4 ft.

Tuesday Night

ENE wind around 24 kt. Mostly cloudy. Seas 4 to 5 ft.

Wednesday

ENE wind around 25 kt, with gusts as high as 33 kt. Mostly cloudy. Seas 6 to 7 ft.

Winds and seas may be higher in and near tstms.

*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.