For More Weather Information:

19NM WSW Islip NY

[NOTICE]

Last Update: 5:16 am EDT Sep 18, 2026
Forecast Valid: 7am EDT Sep 18, 2026-6pm EDT Sep 24, 2026

Today

N wind 6 to 9 kt. Mostly sunny. Seas 1 ft or less.

Tonight

N wind 9 to 13 kt. Partly cloudy. Seas 1 ft or less.

Saturday

NE wind 9 to 12 kt becoming E in the afternoon. Partly sunny. Seas around 1 ft.

Saturday Night

ESE wind around 10 kt. Mostly cloudy. Seas around 1 ft.

Sunday

SSE wind 10 to 12 kt. Showers likely, mainly after 2pm. Seas around 1 ft.

Sunday Night

SSE wind 11 to 13 kt becoming ENE after midnight. Showers. Seas around 1 ft.

Monday

NE wind 14 to 16 kt. Showers likely, mainly before 8am. Seas around 1 ft.

Monday Night

ENE wind 16 to 19 kt. A chance of showers. Seas around 1 ft.

Tuesday

ENE wind 20 to 23 kt, with gusts as high as 31 kt. A chance of showers. 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.