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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:NE wind 15 to 17 kt. Rain, mainly before 4am.   Seas around 3 ft.

      NE 17kt
      3ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:NNE wind 8 to 13 kt. A slight chance of rain before 10am.   Seas around 3 ft.

      NNE 13kt
      3ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday Night

      Friday Night:NE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of rain after 1am.   Seas 2 to 3 ft.

      NE 7kt⇓
      2-3ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Cloudy. Seas 2 to 3 ft.

      ⇑S 9kt
      2-3ft

    • Saturday Night

      Saturday Night:SW wind 12 to 15 kt, with gusts as high as 21 kt. Rain likely.   Seas 3 to 4 ft.

      SW 15kt
      3-4ft

    • Sunday

      Sunday:W wind 8 to 11 kt. Cloudy, then gradually becoming mostly sunny. Seas 3 to 4 ft.

      W 11kt
      3-4ft

    • Sunday Night

      Sunday Night:SW wind around 7 kt. Partly cloudy. Seas around 3 ft.

      SW 7kt
      3ft

    • Monday

      Monday:WSW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      ⇑SSW 12kt
      2-3ft

    • Monday Night

      Monday Night:SSW wind 7 to 11 kt becoming WSW after midnight. Mostly cloudy. Seas around 3 ft.

      SSW 11kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 1:01 pm EST Mar 5, 2026
Forecast Valid: 10pm EST Mar 5, 2026-6pm EDT Mar 12, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM EST THIS EVENING

Tonight
NE wind 15 to 17 kt. Rain, mainly before 4am. Seas around 3 ft.
Friday
NNE wind 8 to 13 kt. A slight chance of rain before 10am. Seas around 3 ft.
Friday Night
NE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of rain after 1am. Seas 2 to 3 ft.
Saturday
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Cloudy. Seas 2 to 3 ft.
Saturday Night
SW wind 12 to 15 kt, with gusts as high as 21 kt. Rain likely. Seas 3 to 4 ft.
Sunday
W wind 8 to 11 kt. Cloudy, then gradually becoming mostly sunny. Seas 3 to 4 ft.
Sunday Night
SW wind around 7 kt. Partly cloudy. Seas around 3 ft.
Monday
WSW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.
Monday Night
SSW wind 7 to 11 kt becoming WSW after midnight. 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: 1:01 pm EST Mar 5, 2026
Forecast Valid: 10pm EST Mar 5, 2026-6pm EDT Mar 12, 2026
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