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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:NW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 2 ft.

      NW 15kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:NW wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 22 kt. Mostly clear. Seas 1 to 2 ft.

      NW 12kt⇓
      1-2ft

    • Sunday

      Sunday:S wind 5 to 10 kt increasing to 13 to 18 kt. Winds could gust as high as 24 kt. Sunny. Seas 1 to 2 ft.

      ⇑S 18kt
      1-2ft

    • Sunday Night

      Sunday Night:SSW wind 19 to 22 kt decreasing to 15 to 18 kt after midnight. Mostly cloudy. Seas 4 to 5 ft.

      SSW 22kt⇓
      4-5ft

    • Monday

      Monday:SW wind around 14 kt. Mostly cloudy. Seas around 3 ft.

      SW 14kt
      3ft

    • Monday Night

      Monday Night:SSW wind 10 to 12 kt. A chance of rain after 2am.   Seas around 3 ft.

      SSW 12kt
      3ft

    • Tuesday

      Tuesday:SSW wind 13 to 17 kt, with gusts as high as 23 kt. A chance of rain before 2pm.   Seas around 4 ft.

      SSW 17kt
      4ft

    • Tuesday Night

      Tuesday Night:SSW wind 21 to 23 kt, with gusts as high as 29 kt. Partly cloudy. Seas 6 ft building to 8 ft.

      SSW 23kt
      Waves Building8ft

    • Wednesday

      Wednesday:SSW wind 18 to 20 kt. Rain likely.   Seas 5 ft building to 7 ft.

      SSW 20kt
      Waves Building7ft


Associated Zone Forecast which includes this point

Last Update: 4:58 am EDT Mar 28, 2026
Forecast Valid: 9am EDT Mar 28, 2026-6pm EDT Apr 3, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING

Today
NW wind around 15 kt, with gusts as high as 25 kt. Mostly sunny. Seas around 2 ft.
Tonight
NW wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Winds could gust as high as 22 kt. Mostly clear. Seas 1 to 2 ft.
Sunday
S wind 5 to 10 kt increasing to 13 to 18 kt. Winds could gust as high as 24 kt. Sunny. Seas 1 to 2 ft.
Sunday Night
SSW wind 19 to 22 kt decreasing to 15 to 18 kt after midnight. Mostly cloudy. Seas 4 to 5 ft.
Monday
SW wind around 14 kt. Mostly cloudy. Seas around 3 ft.
Monday Night
SSW wind 10 to 12 kt. A chance of rain after 2am. Seas around 3 ft.
Tuesday
SSW wind 13 to 17 kt, with gusts as high as 23 kt. A chance of rain before 2pm. Seas around 4 ft.
Tuesday Night
SSW wind 21 to 23 kt, with gusts as high as 29 kt. Partly cloudy. Seas 6 ft building to 8 ft.
Wednesday
SSW wind 18 to 20 kt. Rain likely. Seas 5 ft building to 7 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: 4:58 am EDT Mar 28, 2026
Forecast Valid: 9am EDT Mar 28, 2026-6pm EDT Apr 3, 2026
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