For More Weather Information:

15NM WSW Islip NY

[NOTICE]

Last Update: 3:53 am EDT Jul 20, 2025
Forecast Valid: 9am EDT Jul 20, 2025-6pm EDT Jul 26, 2025

Today

SSW wind 5 to 9 kt. A chance of showers, with thunderstorms also possible after 5pm. Seas 1 ft or less.

Tonight

WSW wind around 9 kt becoming NNW after midnight. A chance of showers and thunderstorms, mainly before 8pm. Seas 1 ft or less.

Monday

NNW wind around 9 kt. Sunny. Seas 1 ft or less.

Monday Night

NNE wind around 10 kt. Mostly clear. Seas 1 ft or less.

Tuesday

NE wind 5 to 9 kt becoming ESE in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

SSE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Sunny. Seas 1 ft or less.

Wednesday Night

S wind 9 to 12 kt becoming SW after midnight. Partly cloudy. Seas 1 ft or less.

Thursday

SW wind 9 to 14 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.

Winds and waves 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.