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18NM WSW Islip NY

[NOTICE]

Last Update: 2:19 pm EDT Mar 9, 2026
Forecast Valid: 3pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026

This Afternoon

SSW wind around 7 kt. Mostly sunny. Seas 1 ft or less.

Tonight

SW wind 5 to 7 kt. Patchy fog after 8pm. Seas 1 ft or less.

Tuesday

S wind 5 to 8 kt. Partly sunny. Seas 1 ft or less.

Tuesday Night

S wind around 7 kt. Patchy fog. Seas 1 ft or less.

Wednesday

S wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. A slight chance of showers. Seas 1 ft or less.

Wednesday Night

SSW wind around 16 kt. A chance of showers. Seas 1 ft or less.

Thursday

WSW wind 15 to 17 kt becoming WNW in the afternoon. Rain likely, mainly before 2pm. Seas 1 ft or less.

Thursday Night

NW wind 11 to 15 kt. A chance of rain. Seas 1 ft or less.

Friday

WNW wind 8 to 11 kt becoming S 13 to 16 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

*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.