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18NM WSW Islip NY

[NOTICE]

Last Update: 3:08 am EDT Jun 5, 2026
Forecast Valid: 4am EDT Jun 5, 2026-6pm EDT Jun 11, 2026

Friday

W wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas 1 ft or less.

Friday Night

SW wind 7 to 9 kt. Partly cloudy. Seas 1 ft or less.

Saturday

SSW wind 8 to 11 kt increasing to 12 to 15 kt in the afternoon. Increasing clouds. Seas 1 ft or less.

Saturday Night

WSW wind 9 to 14 kt. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Seas 1 ft or less.

Sunday

W wind around 10 kt. A chance of showers before 8am, then a slight chance of showers after 2pm. Seas 1 ft or less.

Sunday Night

N wind 10 to 12 kt becoming NNE after midnight. Partly cloudy. Seas 1 ft or less.

Monday

NE wind around 10 kt becoming SE in the afternoon. Sunny. Seas 1 ft or less.

Monday Night

SSE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

Tuesday

Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. 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.