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18NM WSW Islip NY

[NOTICE]

Last Update: 5:30 am EDT Jun 16, 2026
Forecast Valid: 8am EDT Jun 16, 2026-6pm EDT Jun 22, 2026

Today

NW wind 6 to 11 kt becoming SSW in the afternoon. Sunny. Seas 1 ft or less.

Tonight

SSW wind 10 to 15 kt decreasing to 5 to 10 kt after midnight. Partly cloudy. Seas 1 ft or less.

Wednesday

SSE wind 5 to 10 kt. A slight chance of showers after 11am. Seas 1 ft or less.

Wednesday Night

SSE wind around 8 kt. Mostly cloudy. Seas 1 ft or less.

Thursday

S wind 13 to 16 kt increasing to 18 to 21 kt in the afternoon. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Thursday Night

SW wind 16 to 19 kt becoming W 13 to 16 kt after midnight. A chance of showers before 8pm. Seas 1 ft or less.

Juneteenth

WSW wind 12 to 15 kt. Mostly sunny. Seas 1 ft or less.

Friday Night

W wind 8 to 11 kt. Partly cloudy. Seas 1 ft or less.

Saturday

W wind 11 to 13 kt. Sunny. Seas 1 ft or less.

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.