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Hazardous Weather Conditions

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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:S wind 20 to 23 kt decreasing to 16 to 19 kt. Winds could gust as high as 33 kt. A chance of showers, mainly before 4am. Seas 8 to 9 ft.

      S 23kt⇓
      8-9ft

      Gale Warning
      Gale Warning

    • Thursday

      Thursday:SSW wind 12 to 16 kt becoming W in the afternoon. A slight chance of showers before 7am. Seas 6 to 7 ft.

      W 16kt
      6-7ft

    • Thursday Night

      Thursday Night:WNW wind 17 to 20 kt increasing to 20 to 23 kt after midnight. Winds could gust as high as 36 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 5 to 6 ft.

      ⇑WNW 23kt
      5-6ft

    • Friday

      Friday:W wind 18 to 22 kt, with gusts as high as 34 kt. Sunny. Seas 4 to 5 ft.

      W 22kt
      4-5ft

    • Friday Night

      Friday Night:W wind 12 to 15 kt decreasing to 9 to 12 kt after midnight. Winds could gust as high as 23 kt. A slight chance of sprinkles after 1am. Seas 3 to 4 ft.

      W 15kt⇓
      3-4ft

    • Saturday

      Saturday:WNW wind 10 to 14 kt, with gusts as high as 20 kt. Mostly cloudy, then gradually becoming sunny. Seas 2 to 3 ft.

      WNW 14kt
      2-3ft

    • Saturday Night

      Saturday Night:WNW wind 12 to 15 kt, with gusts as high as 21 kt. Mostly clear. Seas around 3 ft.

      WNW 15kt
      3ft

    • Sunday

      Sunday:WNW wind around 11 kt becoming WSW in the afternoon. Mostly sunny. Seas around 2 ft.

      WNW 11kt
      2ft

    • Sunday Night

      Sunday Night:W wind 8 to 11 kt. Partly cloudy. Seas around 2 ft.

      W 11kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 11:48 pm EST Mar 5, 2025
Forecast Valid: 12am EST Mar 6, 2025-6pm EDT Mar 12, 2025

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Detailed Forecast

...GALE WARNING IN EFFECT UNTIL 4 AM EST THURSDAY...

Overnight
S wind 20 to 23 kt decreasing to 16 to 19 kt. Winds could gust as high as 33 kt. A chance of showers, mainly before 4am. Seas 8 to 9 ft.
Thursday
SSW wind 12 to 16 kt becoming W in the afternoon. A slight chance of showers before 7am. Seas 6 to 7 ft.
Thursday Night
WNW wind 17 to 20 kt increasing to 20 to 23 kt after midnight. Winds could gust as high as 36 kt. Mostly cloudy, then gradually becoming mostly clear. Seas 5 to 6 ft.
Friday
W wind 18 to 22 kt, with gusts as high as 34 kt. Sunny. Seas 4 to 5 ft.
Friday Night
W wind 12 to 15 kt decreasing to 9 to 12 kt after midnight. Winds could gust as high as 23 kt. A slight chance of sprinkles after 1am. Seas 3 to 4 ft.
Saturday
WNW wind 10 to 14 kt, with gusts as high as 20 kt. Mostly cloudy, then gradually becoming sunny. Seas 2 to 3 ft.
Saturday Night
WNW wind 12 to 15 kt, with gusts as high as 21 kt. Mostly clear. Seas around 3 ft.
Sunday
WNW wind around 11 kt becoming WSW in the afternoon. Mostly sunny. Seas around 2 ft.
Sunday Night
W wind 8 to 11 kt. Partly cloudy. 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: 40.57°N 73.57°W
Last Update: 11:48 pm EST Mar 5, 2025
Forecast Valid: 12am EST Mar 6, 2025-6pm EDT Mar 12, 2025
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