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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Saturday

      Saturday:S wind 5 to 7 kt. Patchy fog between 8am and 9am.  Seas around 2 ft.

      S 7kt
      2ft

    • Saturday Night

      Saturday Night:Variable winds less than 5 kt becoming NNE 5 to 9 kt after midnight. Mostly cloudy. Seas around 2 ft.

      ⇑NNE 9kt
      2ft

    • Sunday

      Sunday:NNE wind 9 to 11 kt becoming N in the afternoon. Snow likely, mainly between 10am and 4pm.   Seas around 2 ft.

      N 11kt
      2ft

    • Sunday Night

      Sunday Night:NNW wind 11 to 14 kt, with gusts as high as 20 kt. A slight chance of snow before 7pm.   Seas around 2 ft.

      NNW 14kt
      2ft

    • Monday

      Monday:N wind 9 to 12 kt decreasing to 6 to 9 kt in the afternoon. Mostly sunny. Seas around 2 ft.

      N 12kt⇓
      2ft

    • Monday Night

      Monday Night:Variable winds less than 5 kt becoming SE 5 to 7 kt in the evening. Mostly clear. Seas 1 to 2 ft.

      ⇑SE 7kt
      1-2ft

    • Tuesday

      Tuesday:S wind 8 to 11 kt. A chance of rain after 1pm.   Seas 2 to 3 ft.

      S 11kt
      2-3ft

    • Tuesday Night

      Tuesday Night:S wind 12 to 14 kt becoming SW after midnight. Winds could gust as high as 20 kt. Rain.   Seas around 3 ft.

      SW 14kt
      3ft

    • Wednesday

      Wednesday:WSW wind 7 to 12 kt becoming N in the afternoon. A chance of rain.   Seas around 2 ft.

      WSW 12kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 12:55 am EST Feb 28, 2026
Forecast Valid: 2am EST Feb 28, 2026-6pm EST Mar 6, 2026

View Nearby Observations

Detailed Forecast


Saturday
S wind 5 to 7 kt. Patchy fog between 8am and 9am. Seas around 2 ft.
Saturday Night
Variable winds less than 5 kt becoming NNE 5 to 9 kt after midnight. Mostly cloudy. Seas around 2 ft.
Sunday
NNE wind 9 to 11 kt becoming N in the afternoon. Snow likely, mainly between 10am and 4pm. Seas around 2 ft.
Sunday Night
NNW wind 11 to 14 kt, with gusts as high as 20 kt. A slight chance of snow before 7pm. Seas around 2 ft.
Monday
N wind 9 to 12 kt decreasing to 6 to 9 kt in the afternoon. Mostly sunny. Seas around 2 ft.
Monday Night
Variable winds less than 5 kt becoming SE 5 to 7 kt in the evening. Mostly clear. Seas 1 to 2 ft.
Tuesday
S wind 8 to 11 kt. A chance of rain after 1pm. Seas 2 to 3 ft.
Tuesday Night
S wind 12 to 14 kt becoming SW after midnight. Winds could gust as high as 20 kt. Rain. Seas around 3 ft.
Wednesday
WSW wind 7 to 12 kt becoming N in the afternoon. 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: 40.57°N 73.57°W
Last Update: 12:55 am EST Feb 28, 2026
Forecast Valid: 2am EST Feb 28, 2026-6pm EST Mar 6, 2026
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