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Hazardous Weather Conditions

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New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:WSW wind around 24 kt becoming WNW in the evening. Winds could gust as high as 30 kt. Patchy freezing spray after 1am. Mostly clear. Seas around 5 ft.

      W 24kt
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:W wind around 23 kt. Patchy freezing spray. Sunny. Seas around 5 ft.

      W 23kt
      5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday Night

      Tuesday Night:W wind 17 to 20 kt decreasing to 13 to 16 kt after midnight. Patchy freezing spray before 4am. Mostly clear. Seas 3 to 4 ft.

      W 20kt⇓
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday

      Wednesday:W wind 10 to 15 kt becoming SSW 18 to 23 kt. Mostly sunny. Seas 2 ft building to 5 ft.

      ⇑SSW 23kt
      Waves Building5ft

    • Wednesday Night

      Wednesday Night:SSW wind 25 to 28 kt becoming WSW 21 to 24 kt after midnight. Mostly cloudy. Seas 6 to 7 ft.

      SSW 28kt⇓
      6-7ft

    • Thursday

      Thursday:WSW wind 16 to 18 kt. Mostly sunny. Seas 6 ft subsiding to 4 ft.

      WSW 18kt
      6ftWaves Subsiding

    • Thursday Night

      Thursday Night:W wind around 17 kt, with gusts as high as 24 kt. Partly cloudy. Seas around 4 ft.

      W 17kt
      4ft

    • Friday

      Friday:W wind 17 to 20 kt, with gusts as high as 28 kt. Partly sunny. Seas around 4 ft.

      W 20kt
      4ft

    • Friday Night

      Friday Night:NW wind 20 to 22 kt, with gusts as high as 30 kt. Mostly cloudy. Seas around 4 ft.

      NW 22kt
      4ft


Associated Zone Forecast which includes this point

Last Update: 7:14 pm EST Jan 19, 2026
Forecast Valid: 9pm EST Jan 19, 2026-6pm EST Jan 26, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT...

Tonight
WSW wind around 24 kt becoming WNW in the evening. Winds could gust as high as 30 kt. Patchy freezing spray after 1am. Mostly clear. Seas around 5 ft.
Tuesday
W wind around 23 kt. Patchy freezing spray. Sunny. Seas around 5 ft.
Tuesday Night
W wind 17 to 20 kt decreasing to 13 to 16 kt after midnight. Patchy freezing spray before 4am. Mostly clear. Seas 3 to 4 ft.
Wednesday
W wind 10 to 15 kt becoming SSW 18 to 23 kt. Mostly sunny. Seas 2 ft building to 5 ft.
Wednesday Night
SSW wind 25 to 28 kt becoming WSW 21 to 24 kt after midnight. Mostly cloudy. Seas 6 to 7 ft.
Thursday
WSW wind 16 to 18 kt. Mostly sunny. Seas 6 ft subsiding to 4 ft.
Thursday Night
W wind around 17 kt, with gusts as high as 24 kt. Partly cloudy. Seas around 4 ft.
Friday
W wind 17 to 20 kt, with gusts as high as 28 kt. Partly sunny. Seas around 4 ft.
Friday Night
NW wind 20 to 22 kt, with gusts as high as 30 kt. Mostly cloudy. Seas around 4 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: 40.53°N 73.44°W
Last Update: 7:14 pm EST Jan 19, 2026
Forecast Valid: 9pm EST Jan 19, 2026-6pm EST Jan 26, 2026
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