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New York, NY Local Forecast Office

5NM SSE Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:NNW wind 13 to 18 kt. A chance of showers.   Seas around 2 ft.

      NNW 18kt
      2ft

    • Tonight

      Tonight:N wind 18 to 20 kt, with gusts as high as 26 kt. Mostly clear. Seas around 2 ft.

      N 20kt
      2ft

    • Thursday

      Thursday:N wind 14 to 19 kt, with gusts as high as 25 kt. Sunny. Seas 1 to 2 ft.

      N 19kt
      1-2ft

    • Thursday Night

      Thursday Night:NE wind around 10 kt. Clear. Seas around 1 ft.

      NE 10kt
      1ft

    • Friday

      Friday:NE wind around 7 kt becoming SSE in the afternoon. Sunny. Seas around 1 ft.

      NE 7kt
      1ft

    • Friday Night

      Friday Night:S wind around 6 kt. Partly cloudy. Seas around 1 ft.

      S 6kt
      1ft

    • Saturday

      Saturday:E wind 6 to 9 kt. Partly sunny. Seas around 1 ft.

      E 9kt
      1ft

    • Saturday Night

      Saturday Night:ENE wind 10 to 13 kt increasing to 16 to 19 kt after midnight. A chance of showers.   Seas 1 to 2 ft.

      ⇑ENE 19kt
      1-2ft

    • Sunday

      Sunday:NE wind 24 to 29 kt, with gusts as high as 37 kt. A chance of rain.   Seas around 2 ft.

      NE 29kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 11:35 am EDT Oct 8, 2025
Forecast Valid: 12pm EDT Oct 8, 2025-6pm EDT Oct 14, 2025

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING...

This Afternoon
NNW wind 13 to 18 kt. A chance of showers. Seas around 2 ft.
Tonight
N wind 18 to 20 kt, with gusts as high as 26 kt. Mostly clear. Seas around 2 ft.
Thursday
N wind 14 to 19 kt, with gusts as high as 25 kt. Sunny. Seas 1 to 2 ft.
Thursday Night
NE wind around 10 kt. Clear. Seas around 1 ft.
Friday
NE wind around 7 kt becoming SSE in the afternoon. Sunny. Seas around 1 ft.
Friday Night
S wind around 6 kt. Partly cloudy. Seas around 1 ft.
Saturday
E wind 6 to 9 kt. Partly sunny. Seas around 1 ft.
Saturday Night
ENE wind 10 to 13 kt increasing to 16 to 19 kt after midnight. A chance of showers. Seas 1 to 2 ft.
Sunday
NE wind 24 to 29 kt, with gusts as high as 37 kt. A chance of rain. Seas around 2 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: 40.66°N 73.17°W
Last Update: 11:35 am EDT Oct 8, 2025
Forecast Valid: 12pm EDT Oct 8, 2025-6pm EDT Oct 14, 2025
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