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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:N wind 6 to 11 kt. Scattered rain and snow showers, mainly after 4am.   Seas around 2 ft.

      N 11kt
      2ft

    • Saturday

      Saturday:NNW wind 14 to 16 kt, with gusts as high as 22 kt. Scattered snow showers before 8am.   Seas around 2 ft.

      NNW 16kt
      2ft

    • Saturday Night

      Saturday Night:NW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 to 2 ft.

      NW 11kt⇓
      1-2ft

    • Sunday

      Sunday:S wind 7 to 12 kt increasing to 13 to 18 kt in the afternoon. Mostly sunny. Seas 1 ft building to 3 ft.

      ⇑S 18kt
      Waves Building3ft

    • Sunday Night

      Sunday Night:SW wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Mostly cloudy. Seas 5 ft subsiding to 3 ft.

      SW 21kt⇓
      5ftWaves Subsiding

    • Monday

      Monday:SW wind around 14 kt. Partly sunny. Seas around 3 ft.

      SW 14kt
      3ft

    • Monday Night

      Monday Night:SSW wind around 10 kt. A chance of rain after 2am.   Seas around 3 ft.

      SSW 10kt
      3ft

    • Tuesday

      Tuesday:SSW wind 12 to 17 kt. A chance of rain.   Seas 3 to 4 ft.

      SSW 17kt
      3-4ft

    • Tuesday Night

      Tuesday Night:SSW wind 22 to 24 kt. A chance of rain.   Seas 5 to 6 ft.

      SSW 24kt
      5-6ft


Associated Zone Forecast which includes this point

Last Update: 7:14 pm EDT Mar 27, 2026
Forecast Valid: 12am EDT Mar 28, 2026-6pm EDT Apr 3, 2026

View Nearby Observations

Detailed Forecast


Overnight
N wind 6 to 11 kt. Scattered rain and snow showers, mainly after 4am. Seas around 2 ft.
Saturday
NNW wind 14 to 16 kt, with gusts as high as 22 kt. Scattered snow showers before 8am. Seas around 2 ft.
Saturday Night
NW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 to 2 ft.
Sunday
S wind 7 to 12 kt increasing to 13 to 18 kt in the afternoon. Mostly sunny. Seas 1 ft building to 3 ft.
Sunday Night
SW wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Mostly cloudy. Seas 5 ft subsiding to 3 ft.
Monday
SW wind around 14 kt. Partly sunny. Seas around 3 ft.
Monday Night
SSW wind around 10 kt. A chance of rain after 2am. Seas around 3 ft.
Tuesday
SSW wind 12 to 17 kt. A chance of rain. Seas 3 to 4 ft.
Tuesday Night
SSW wind 22 to 24 kt. A chance of rain. Seas 5 to 6 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: 7:14 pm EDT Mar 27, 2026
Forecast Valid: 12am EDT Mar 28, 2026-6pm EDT Apr 3, 2026
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