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15NM SW Islip NY

[NOTICE]

Last Update: 2:21 am EDT May 19, 2026
Forecast Valid: 10am EDT May 19, 2026-6pm EDT May 25, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH

Today

SSW wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Mostly sunny. Seas 3 to 4 ft.

Tonight

SSW wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Partly cloudy. Seas 4 to 5 ft.

Wednesday

SSW wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Showers and possibly a thunderstorm after 2pm. Seas around 4 ft.

Wednesday Night

WNW wind 8 to 10 kt becoming N after midnight. Showers and possibly a thunderstorm. Seas 3 to 4 ft.

Thursday

N wind 6 to 11 kt becoming ESE in the afternoon. A chance of showers before 2pm. Seas 2 to 3 ft.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.

Friday

ENE wind around 12 kt becoming ESE in the afternoon. A chance of showers after 2pm. Seas around 2 ft.

Friday Night

E wind 9 to 13 kt. Showers. Seas around 2 ft.

Saturday

E wind 18 to 20 kt. Showers. Seas 3 to 4 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.