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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:SW wind 8 to 10 kt. Partly sunny. Seas 3 to 4 ft.

      SW 10kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:SW wind around 6 kt becoming variable and less than 5 kt after midnight. Widespread fog, mainly after 1am.  Seas 3 to 4 ft.

      SW 6kt⇓
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming ESE around 6 kt. Rain likely, mainly before 10am.  Areas of fog before 10am.  Seas around 3 ft.

      ⇑ESE 6kt
      3ft

    • Wednesday Night

      Wednesday Night:Variable winds less than 5 kt becoming NE 5 to 9 kt in the evening. A chance of rain, mainly before 10pm.   Seas around 3 ft.

      ⇑NE 9kt
      3ft

    • Thursday

      Thursday:NE wind around 10 kt becoming E in the afternoon. Cloudy. Seas around 3 ft.

      NE 10kt
      3ft

    • Thursday Night

      Thursday Night:E wind 8 to 12 kt. A chance of rain.   Seas 2 to 3 ft.

      E 12kt
      2-3ft

    • Friday

      Friday:E wind 12 to 16 kt. Rain.   Seas around 3 ft.

      E 16kt
      3ft

    • Friday Night

      Friday Night:NE wind 10 to 15 kt becoming N after midnight. A chance of rain.   Seas 3 to 4 ft.

      NE 15kt
      3-4ft

    • Saturday

      Saturday:NNW wind 8 to 10 kt becoming WNW in the afternoon. Partly sunny. Seas around 3 ft.

      WNW 10kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 12:51 pm EST Feb 17, 2026
Forecast Valid: 1pm EST Feb 17, 2026-6pm EST Feb 23, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

This Afternoon
SW wind 8 to 10 kt. Partly sunny. Seas 3 to 4 ft.
Tonight
SW wind around 6 kt becoming variable and less than 5 kt after midnight. Widespread fog, mainly after 1am. Seas 3 to 4 ft.
Wednesday
Variable winds less than 5 kt becoming ESE around 6 kt. Rain likely, mainly before 10am. Areas of fog before 10am. Seas around 3 ft.
Wednesday Night
Variable winds less than 5 kt becoming NE 5 to 9 kt in the evening. A chance of rain, mainly before 10pm. Seas around 3 ft.
Thursday
NE wind around 10 kt becoming E in the afternoon. Cloudy. Seas around 3 ft.
Thursday Night
E wind 8 to 12 kt. A chance of rain. Seas 2 to 3 ft.
Friday
E wind 12 to 16 kt. Rain. Seas around 3 ft.
Friday Night
NE wind 10 to 15 kt becoming N after midnight. A chance of rain. Seas 3 to 4 ft.
Saturday
NNW wind 8 to 10 kt becoming WNW in the afternoon. Partly sunny. 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: 12:51 pm EST Feb 17, 2026
Forecast Valid: 1pm EST Feb 17, 2026-6pm EST Feb 23, 2026
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