National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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New York, NY Local Forecast Office

22NM SW Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:W wind 11 to 14 kt decreasing to 6 to 9 kt after midnight. A slight chance of rain between 1am and 4am, then a chance of rain and snow. Seas around 4 ft.

      W 14kt⇓
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:W wind 6 to 11 kt becoming NNE in the afternoon. Periods of rain and snow, mainly after 7am. Seas 3 to 4 ft.

      N 11kt
      3-4ft

    • Sunday Night

      Sunday Night:NW wind 12 to 16 kt. A chance of snow before 1am. Seas 3 to 4 ft.

      NW 16kt
      3-4ft

    • M.L.King Day

      M.L.King Day:WSW wind 16 to 19 kt increasing to 21 to 24 kt in the afternoon. Mostly sunny. Seas 4 ft building to 6 ft.

      ⇑WSW 24kt
      Waves Building6ft

    • Monday Night

      Monday Night:W wind 25 to 28 kt. Partly cloudy. Seas 6 to 7 ft.

      W 28kt
      6-7ft

    • Tuesday

      Tuesday:W wind 21 to 23 kt. Mostly sunny. Seas 4 to 5 ft.

      W 23kt
      4-5ft

    • Tuesday Night

      Tuesday Night:W wind 19 to 22 kt decreasing to 14 to 17 kt after midnight. Mostly clear. Seas 3 to 4 ft.

      W 22kt⇓
      3-4ft

    • Wednesday

      Wednesday:W wind 11 to 16 kt becoming SSW 17 to 22 kt in the morning. Mostly sunny. Seas 2 ft building to 4 ft.

      ⇑SSW 22kt
      Waves Building4ft

    • Wednesday Night

      Wednesday Night:SW wind 21 to 25 kt. Mostly cloudy. Seas 5 to 6 ft.

      SW 25kt
      5-6ft


Associated Zone Forecast which includes this point

Last Update: 5:41 pm EST Jan 17, 2026
Forecast Valid: 5pm EST Jan 17, 2026-6pm EST Jan 24, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SUNDAY...

Tonight
W wind 11 to 14 kt decreasing to 6 to 9 kt after midnight. A slight chance of rain between 1am and 4am, then a chance of rain and snow. Seas around 4 ft.
Sunday
W wind 6 to 11 kt becoming NNE in the afternoon. Periods of rain and snow, mainly after 7am. Seas 3 to 4 ft.
Sunday Night
NW wind 12 to 16 kt. A chance of snow before 1am. Seas 3 to 4 ft.
M.L.King Day
WSW wind 16 to 19 kt increasing to 21 to 24 kt in the afternoon. Mostly sunny. Seas 4 ft building to 6 ft.
Monday Night
W wind 25 to 28 kt. Partly cloudy. Seas 6 to 7 ft.
Tuesday
W wind 21 to 23 kt. Mostly sunny. Seas 4 to 5 ft.
Tuesday Night
W wind 19 to 22 kt decreasing to 14 to 17 kt after midnight. Mostly clear. Seas 3 to 4 ft.
Wednesday
W wind 11 to 16 kt becoming SSW 17 to 22 kt in the morning. Mostly sunny. Seas 2 ft building to 4 ft.
Wednesday Night
SW wind 21 to 25 kt. Mostly cloudy. 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: 40.46°N 73.54°W
Last Update: 5:41 pm EST Jan 17, 2026
Forecast Valid: 5pm EST Jan 17, 2026-6pm EST Jan 24, 2026
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