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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:Variable winds less than 5 kt becoming ESE around 6 kt in the evening. A slight chance of snow after 4am.   Seas around 2 ft.

      ⇑ESE 6kt
      2ft

    • Tuesday

      Tuesday:ESE wind around 9 kt. A chance of snow before 9am, then rain.   Seas 2 to 3 ft.

      ESE 9kt
      2-3ft

    • Tuesday Night

      Tuesday Night:E wind 6 to 10 kt becoming W after midnight. Rain.   Seas 3 to 4 ft.

      WSW 10kt
      3-4ft

    • Wednesday

      Wednesday:W wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly cloudy. Seas 3 to 4 ft.

      W 6kt⇓
      3-4ft

    • Wednesday Night

      Wednesday Night:Variable winds 5 kt or less. A chance of rain, mainly after 1am.   Seas around 3 ft.

      Light Wind
      3ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming ENE around 6 kt in the morning. A chance of rain before 1pm.   Seas 2 to 3 ft.

      ⇑ENE 6kt
      2-3ft

    • Thursday Night

      Thursday Night:E wind 6 to 11 kt. Rain likely, mainly after 1am.   Seas around 3 ft.

      E 11kt
      3ft

    • Friday

      Friday:NE wind around 12 kt. A chance of rain.   Seas around 3 ft.

      NE 12kt
      3ft

    • Friday Night

      Friday Night:E wind 7 to 12 kt. Mostly cloudy. Seas around 3 ft.

      E 12kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 1:04 pm EST Mar 2, 2026
Forecast Valid: 8pm EST Mar 2, 2026-6pm EDT Mar 9, 2026

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Detailed Forecast


Tonight
Variable winds less than 5 kt becoming ESE around 6 kt in the evening. A slight chance of snow after 4am. Seas around 2 ft.
Tuesday
ESE wind around 9 kt. A chance of snow before 9am, then rain. Seas 2 to 3 ft.
Tuesday Night
E wind 6 to 10 kt becoming W after midnight. Rain. Seas 3 to 4 ft.
Wednesday
W wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly cloudy. Seas 3 to 4 ft.
Wednesday Night
Variable winds 5 kt or less. A chance of rain, mainly after 1am. Seas around 3 ft.
Thursday
Variable winds less than 5 kt becoming ENE around 6 kt in the morning. A chance of rain before 1pm. Seas 2 to 3 ft.
Thursday Night
E wind 6 to 11 kt. Rain likely, mainly after 1am. Seas around 3 ft.
Friday
NE wind around 12 kt. A chance of rain. Seas around 3 ft.
Friday Night
E wind 7 to 12 kt. Mostly cloudy. Seas around 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: 1:04 pm EST Mar 2, 2026
Forecast Valid: 8pm EST Mar 2, 2026-6pm EDT Mar 9, 2026
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