For More Weather Information:

15NM SW Islip NY

[NOTICE]

Last Update: 3:06 am EDT Jun 3, 2026
Forecast Valid: 4am EDT Jun 3, 2026-6pm EDT Jun 9, 2026

Wednesday

N wind 5 to 7 kt becoming S in the afternoon. Sunny. Seas around 2 ft.

Wednesday Night

S wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.

Thursday

WSW wind 5 to 8 kt becoming S 9 to 12 kt in the afternoon. Sunny. Seas around 2 ft.

Thursday Night

SSW wind 12 to 15 kt becoming WSW 9 to 12 kt after midnight. Partly cloudy. Seas around 3 ft.

Friday

W wind 6 to 9 kt becoming SSW 10 to 13 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

Friday Night

SW wind 11 to 15 kt. Partly cloudy. Seas around 4 ft.

Saturday

WSW wind 9 to 12 kt becoming SSW 14 to 17 kt in the afternoon. Mostly sunny. Seas 3 to 4 ft.

Saturday Night

SW wind 16 to 19 kt decreasing to 10 to 13 kt after midnight. A chance of showers. Seas 4 to 5 ft.

Sunday

SW wind 9 to 14 kt becoming S in the afternoon. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Seas 3 to 4 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.