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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds 5 kt or less. Patchy fog between 3am and 5am.  Seas around 2 ft.

      Light Wind
      2ft

    • Saturday

      Saturday:Variable winds 5 kt or less. Patchy fog between 8am and 9am.  Seas around 2 ft.

      Light Wind
      2ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.

      Light Wind
      2ft

    • Sunday

      Sunday:NE wind 7 to 12 kt becoming NNW in the afternoon. A slight chance of rain showers before 10am, then snow showers likely.   Seas around 2 ft.

      NNW 12kt
      2ft

    • Sunday Night

      Sunday Night:NNW wind 13 to 15 kt. A slight chance of snow showers before 7pm.   Seas around 2 ft.

      NNW 15kt
      2ft

    • Monday

      Monday:N wind 7 to 12 kt. Partly sunny. Seas 1 to 2 ft.

      N 12kt
      1-2ft

    • Monday Night

      Monday Night:E wind 5 to 9 kt becoming ESE after midnight. A chance of snow after 1am.   Seas 1 to 2 ft.

      ESE 9kt
      1-2ft

    • Tuesday

      Tuesday:SE wind 8 to 12 kt becoming S in the afternoon. A chance of rain.   Seas around 2 ft.

      SSE 12kt
      2ft

    • Tuesday Night

      Tuesday Night:S wind around 11 kt becoming SW after midnight. Rain likely.   Seas 2 to 3 ft.

      S 11kt
      2-3ft


Associated Zone Forecast which includes this point

Last Update: 5:52 pm EST Feb 27, 2026
Forecast Valid: 6pm EST Feb 27, 2026-6pm EST Mar 6, 2026

View Nearby Observations

Detailed Forecast


Tonight
Variable winds 5 kt or less. Patchy fog between 3am and 5am. Seas around 2 ft.
Saturday
Variable winds 5 kt or less. Patchy fog between 8am and 9am. Seas around 2 ft.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy. Seas around 2 ft.
Sunday
NE wind 7 to 12 kt becoming NNW in the afternoon. A slight chance of rain showers before 10am, then snow showers likely. Seas around 2 ft.
Sunday Night
NNW wind 13 to 15 kt. A slight chance of snow showers before 7pm. Seas around 2 ft.
Monday
N wind 7 to 12 kt. Partly sunny. Seas 1 to 2 ft.
Monday Night
E wind 5 to 9 kt becoming ESE after midnight. A chance of snow after 1am. Seas 1 to 2 ft.
Tuesday
SE wind 8 to 12 kt becoming S in the afternoon. A chance of rain. Seas around 2 ft.
Tuesday Night
S wind around 11 kt becoming SW after midnight. Rain likely. Seas 2 to 3 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: 5:52 pm EST Feb 27, 2026
Forecast Valid: 6pm EST Feb 27, 2026-6pm EST Mar 6, 2026
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