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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WNW wind around 16 kt, with gusts as high as 22 kt. Mostly clear. Seas around 2 ft.

      WNW 16kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:WNW wind around 16 kt. Sunny. Seas around 2 ft.

      WNW 16kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday Night

      Friday Night:NW wind 10 to 15 kt. Partly cloudy. Seas 1 to 2 ft.

      NW 15kt
      1-2ft

    • Saturday

      Saturday:N wind around 10 kt. Partly sunny. Seas around 1 ft.

      N 10kt
      1ft

    • Saturday Night

      Saturday Night:N wind 15 to 20 kt increasing to 20 to 25 kt after midnight. Winds could gust as high as 34 kt. A chance of snow, mainly after 1am.   Seas 1 to 2 ft.

      ⇑N 25kt
      1-2ft

    • Sunday

      Sunday:N wind 24 to 26 kt, with gusts as high as 39 kt. A chance of snow.   Seas 2 to 3 ft.

      N 26kt
      2-3ft

    • Sunday Night

      Sunday Night:NW wind 20 to 24 kt, with gusts as high as 32 kt. Mostly cloudy. Seas around 4 ft.

      NW 24kt
      4ft

    • Monday

      Monday:NW wind 15 to 18 kt. Mostly sunny. Seas around 4 ft.

      NW 18kt
      4ft

    • Monday Night

      Monday Night:WNW wind 11 to 13 kt. Mostly clear. Seas 3 to 4 ft.

      WNW 13kt
      3-4ft


Associated Zone Forecast which includes this point

Last Update: 1:13 pm EST Jan 29, 2026
Forecast Valid: 6pm EST Jan 29, 2026-6pm EST Feb 5, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM EST THIS EVENING

Tonight
WNW wind around 16 kt, with gusts as high as 22 kt. Mostly clear. Seas around 2 ft.
Friday
WNW wind around 16 kt. Sunny. Seas around 2 ft.
Friday Night
NW wind 10 to 15 kt. Partly cloudy. Seas 1 to 2 ft.
Saturday
N wind around 10 kt. Partly sunny. Seas around 1 ft.
Saturday Night
N wind 15 to 20 kt increasing to 20 to 25 kt after midnight. Winds could gust as high as 34 kt. A chance of snow, mainly after 1am. Seas 1 to 2 ft.
Sunday
N wind 24 to 26 kt, with gusts as high as 39 kt. A chance of snow. Seas 2 to 3 ft.
Sunday Night
NW wind 20 to 24 kt, with gusts as high as 32 kt. Mostly cloudy. Seas around 4 ft.
Monday
NW wind 15 to 18 kt. Mostly sunny. Seas around 4 ft.
Monday Night
WNW wind 11 to 13 kt. Mostly clear. Seas 3 to 4 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: 1:13 pm EST Jan 29, 2026
Forecast Valid: 6pm EST Jan 29, 2026-6pm EST Feb 5, 2026
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