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New York, NY Local Forecast Office

8NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:SSE wind around 13 kt. Rain.   Seas around 2 ft.

      SSE 13kt
      2ft

    • Tonight

      Tonight:S wind 9 to 13 kt becoming N after midnight. Periods of rain and possibly a thunderstorm before 2am, then a chance of rain.   Seas 1 to 2 ft.

      S 13kt
      1-2ft

    • Monday

      Monday:NE wind 13 to 16 kt, with gusts as high as 22 kt. A chance of rain before 8am.   Seas around 2 ft.

      NE 16kt
      2ft

    • Monday Night

      Monday Night:ENE wind 14 to 17 kt, with gusts as high as 23 kt. A chance of showers after 2am.   Seas around 2 ft.

      ENE 17kt
      2ft

    • Tuesday

      Tuesday:ENE wind 19 to 22 kt, with gusts as high as 28 kt. A chance of showers.   Seas 2 to 3 ft.

      ENE 22kt
      2-3ft

    • Tuesday Night

      Tuesday Night:ENE wind around 24 kt, with gusts as high as 30 kt. Cloudy. Seas 3 to 4 ft.

      ENE 24kt
      3-4ft

    • Wednesday

      Wednesday:ENE wind 24 to 27 kt, with gusts as high as 36 kt. Mostly cloudy. Seas around 4 ft.

      ENE 27kt
      4ft

    • Wednesday Night

      Wednesday Night:NE wind 24 to 26 kt, with gusts as high as 33 kt. Mostly cloudy. Seas 4 to 5 ft.

      NE 26kt
      4-5ft

    • Thursday

      Thursday:NE wind 22 to 25 kt, with gusts as high as 34 kt. A chance of showers.   Seas around 5 ft.

      NE 25kt
      5ft


Associated Zone Forecast which includes this point

Last Update: 3:41 am EDT Sep 20, 2026
Forecast Valid: 11am EDT Sep 20, 2026-6pm EDT Sep 26, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH

Today
SSE wind around 13 kt. Rain. Seas around 2 ft.
Tonight
S wind 9 to 13 kt becoming N after midnight. Periods of rain and possibly a thunderstorm before 2am, then a chance of rain. Seas 1 to 2 ft.
Monday
NE wind 13 to 16 kt, with gusts as high as 22 kt. A chance of rain before 8am. Seas around 2 ft.
Monday Night
ENE wind 14 to 17 kt, with gusts as high as 23 kt. A chance of showers after 2am. Seas around 2 ft.
Tuesday
ENE wind 19 to 22 kt, with gusts as high as 28 kt. A chance of showers. Seas 2 to 3 ft.
Tuesday Night
ENE wind around 24 kt, with gusts as high as 30 kt. Cloudy. Seas 3 to 4 ft.
Wednesday
ENE wind 24 to 27 kt, with gusts as high as 36 kt. Mostly cloudy. Seas around 4 ft.
Wednesday Night
NE wind 24 to 26 kt, with gusts as high as 33 kt. Mostly cloudy. Seas 4 to 5 ft.
Thursday
NE wind 22 to 25 kt, with gusts as high as 34 kt. A chance of showers. Seas around 5 ft.

*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: 40.63°N 73.33°W
Last Update: 3:41 am EDT Sep 20, 2026
Forecast Valid: 11am EDT Sep 20, 2026-6pm EDT Sep 26, 2026
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