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6NM S Islip NY

[NOTICE]

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

Today

NE wind 11 to 14 kt becoming E in the afternoon. Winds could gust as high as 20 kt. Partly sunny. Seas around 1 ft.

Tonight

ESE wind 9 to 11 kt. Mostly cloudy. Seas 1 ft or less.

Sunday

SE wind 10 to 13 kt. Rain likely, mainly after 2pm. Seas around 1 ft.

Sunday Night

S wind 8 to 11 kt becoming NNW after midnight. Rain and possibly a thunderstorm. Seas 1 ft or less.

Monday

NE wind 15 to 20 kt. A chance of rain before 2pm. Seas around 1 ft.

Monday Night

ENE wind 14 to 19 kt. Mostly cloudy. Seas around 1 ft.

Tuesday

ENE wind 21 to 24 kt. A chance of showers after 8am. Seas around 1 ft.

Tuesday Night

ENE wind 25 to 27 kt. Mostly cloudy. Seas 1 to 2 ft.

Wednesday

ENE wind around 29 kt, with gusts as high as 38 kt. Mostly cloudy. Seas around 2 ft.

Winds and waves 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.