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15NM SW Islip NY

[NOTICE]

Last Update: 8:23 pm EDT Jun 22, 2026
Forecast Valid: 2am EDT Jun 23, 2026-6pm EDT Jun 29, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT TUESDAY...

Tuesday

SSW wind 6 to 10 kt becoming NW in the afternoon. Showers and possibly a thunderstorm. Seas around 3 ft.

Tuesday Night

N wind around 10 kt. Showers, mainly before 8pm. Seas 2 to 3 ft.

Wednesday

NNW wind 6 to 9 kt becoming WSW in the afternoon. Sunny. Seas 2 to 3 ft.

Wednesday Night

SSW wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 2 to 3 ft.

Thursday

Variable winds less than 5 kt becoming S 6 to 11 kt in the afternoon. Mostly sunny. Seas around 2 ft.

Thursday Night

S wind 12 to 15 kt. A chance of showers, with thunderstorms also possible after 2am. Seas around 3 ft.

Friday

S wind 10 to 13 kt. A chance of showers and thunderstorms. Seas 2 to 3 ft.

Friday Night

SSW wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. A chance of showers. Seas 2 to 3 ft.

Saturday

SW wind 5 to 10 kt becoming S in the afternoon. A chance of showers. Seas around 2 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.