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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Mostly cloudy. Seas around 2 ft.

      ⇑S 9kt
      2ft

    • Tonight

      Tonight:S wind 8 to 10 kt becoming W after midnight. Rain likely, mainly before 1am.   Seas around 2 ft.

      S 10kt
      2ft

    • Wednesday

      Wednesday:WNW wind 12 to 17 kt, with gusts as high as 24 kt. Mostly sunny. Seas 2 to 3 ft.

      WNW 17kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:WNW wind around 17 kt, with gusts as high as 25 kt. Partly cloudy. Seas 2 to 3 ft.

      WNW 17kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:NW wind around 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 2 ft.

      NW 16kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:NW wind 11 to 14 kt. Mostly cloudy. Seas 1 to 2 ft.

      NW 14kt
      1-2ft

    • Friday

      Friday:WNW wind 11 to 13 kt. Sunny. Seas around 1 ft.

      WNW 13kt
      1ft

    • Friday Night

      Friday Night:W wind 12 to 14 kt. Mostly cloudy. Seas 1 to 2 ft.

      W 14kt
      1-2ft

    • Saturday

      Saturday:WNW wind 11 to 13 kt. Mostly sunny. Seas 1 to 2 ft.

      WNW 13kt
      1-2ft


Associated Zone Forecast which includes this point

Last Update: 9:52 am EST Feb 10, 2026
Forecast Valid: 10am EST Feb 10, 2026-6pm EST Feb 16, 2026

View Nearby Observations

Detailed Forecast

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

Today
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Mostly cloudy. Seas around 2 ft.
Tonight
S wind 8 to 10 kt becoming W after midnight. Rain likely, mainly before 1am. Seas around 2 ft.
Wednesday
WNW wind 12 to 17 kt, with gusts as high as 24 kt. Mostly sunny. Seas 2 to 3 ft.
Wednesday Night
WNW wind around 17 kt, with gusts as high as 25 kt. Partly cloudy. Seas 2 to 3 ft.
Thursday
NW wind around 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 2 ft.
Thursday Night
NW wind 11 to 14 kt. Mostly cloudy. Seas 1 to 2 ft.
Friday
WNW wind 11 to 13 kt. Sunny. Seas around 1 ft.
Friday Night
W wind 12 to 14 kt. Mostly cloudy. Seas 1 to 2 ft.
Saturday
WNW wind 11 to 13 kt. Mostly sunny. Seas 1 to 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: 9:52 am EST Feb 10, 2026
Forecast Valid: 10am EST Feb 10, 2026-6pm EST Feb 16, 2026
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