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New York, NY Local Forecast Office

11NM ESE Islip NY

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:SSW wind around 6 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas around 1 ft.

      SSW 6kt
      1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSE 5 to 7 kt in the morning. Showers and thunderstorms likely, mainly before 11am. Seas 1 ft or less.

      ⇑SSE 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.

      Light Wind
      1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSW 5 to 10 kt in the morning. A slight chance of showers and thunderstorms after 2pm. Patchy fog before 11am. Seas 1 ft or less.

      ⇑SSW 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind around 10 kt. A chance of showers and thunderstorms, mainly after 8pm. Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Thursday

      Thursday:SW wind 9 to 12 kt. A chance of showers before 2pm, then a chance of thunderstorms after 2pm. Seas 1 ft or less.

      SW 12kt
      < 1ft

    • Thursday Night

      Thursday Night:WSW wind 9 to 11 kt. A chance of thunderstorms before 8pm. Seas 1 ft or less.

      WSW 11kt
      < 1ft

    • Friday

      Friday:W wind around 9 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      W 9kt
      < 1ft

    • Friday Night

      Friday Night:WNW wind around 7 kt becoming NNW after midnight. A chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

      NNW 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:29 pm EDT Jul 14, 2025
Forecast Valid: 12am EDT Jul 15, 2025-6pm EDT Jul 21, 2025

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Detailed Forecast


Overnight
SSW wind around 6 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Seas around 1 ft.
Tuesday
Variable winds less than 5 kt becoming SSE 5 to 7 kt in the morning. Showers and thunderstorms likely, mainly before 11am. Seas 1 ft or less.
Tuesday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 1 ft.
Wednesday
Variable winds less than 5 kt becoming SSW 5 to 10 kt in the morning. A slight chance of showers and thunderstorms after 2pm. Patchy fog before 11am. Seas 1 ft or less.
Wednesday Night
SSW wind around 10 kt. A chance of showers and thunderstorms, mainly after 8pm. Seas 1 ft or less.
Thursday
SW wind 9 to 12 kt. A chance of showers before 2pm, then a chance of thunderstorms after 2pm. Seas 1 ft or less.
Thursday Night
WSW wind 9 to 11 kt. A chance of thunderstorms before 8pm. Seas 1 ft or less.
Friday
W wind around 9 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Friday Night
WNW wind around 7 kt becoming NNW after midnight. A chance of showers and thunderstorms before 8pm. Seas 1 ft or less.

Winds and waves may be higher in and near tstms.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 40.7°N 72.99°W
Last Update: 2:29 pm EDT Jul 14, 2025
Forecast Valid: 12am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
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