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12NM NW Islip NY

[NOTICE]

Last Update: 2:20 pm EDT Jun 23, 2026
Forecast Valid: 11pm EDT Jun 23, 2026-6pm EDT Jun 30, 2026

Overnight

Variable winds less than 5 kt becoming NNW 5 to 7 kt after midnight. Mostly cloudy, then gradually becoming mostly clear. Seas 1 ft or less.

Wednesday

WNW wind 6 to 8 kt. Sunny. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming S around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

Thursday Night

S wind 8 to 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

Friday

SSW wind around 6 kt. Showers likely, mainly before 8am. Seas 1 ft or less.

Friday Night

Variable winds 5 kt or less. Showers likely, mainly after 2am. Seas 1 ft or less.

Saturday

Variable winds 5 kt or less. Showers likely. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of showers. 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.