Hazardous Weather Conditions

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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:NW wind 8 to 12 kt. Cloudy through mid morning, then gradual clearing. Seas around 1 ft.

      NW 12kt
      1ft

    • Tonight

      Tonight:NW wind around 6 kt becoming N in the evening. Partly cloudy. Seas around 1 ft.

      NW 6kt
      1ft

    • Thursday

      Thursday:NNW wind around 6 kt. Sunny. Seas around 1 ft.

      NNW 6kt
      1ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday

      Friday:Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Friday Night

      Friday Night:SW wind 5 to 8 kt becoming W 11 to 14 kt after midnight. Snow showers likely, mainly after 1am.   Seas around 1 ft.

      ⇑W 14kt
      1ft

    • Saturday

      Saturday:NW wind 22 to 27 kt increasing to 27 to 32 kt in the afternoon. Winds could gust as high as 40 kt. A chance of snow showers before 7am.   Seas 2 to 3 ft.

      ⇑NW 32kt
      2-3ft

    • Saturday Night

      Saturday Night:NW wind 32 to 35 kt decreasing to 28 to 31 kt after midnight. Winds could gust as high as 43 kt. Mostly clear. Seas 2 to 3 ft.

      NW 35kt⇓
      2-3ft

    • Sunday

      Sunday:NW wind 17 to 20 kt decreasing to 14 to 17 kt in the afternoon. Winds could gust as high as 28 kt. Mostly sunny. Seas 1 to 2 ft.

      NW 20kt⇓
      1-2ft


Associated Zone Forecast which includes this point

Last Update: 2:42 am EST Feb 4, 2026
Forecast Valid: 5am EST Feb 4, 2026-6pm EST Feb 10, 2026

View Nearby Observations

Detailed Forecast


Today
NW wind 8 to 12 kt. Cloudy through mid morning, then gradual clearing. Seas around 1 ft.
Tonight
NW wind around 6 kt becoming N in the evening. Partly cloudy. Seas around 1 ft.
Thursday
NNW wind around 6 kt. Sunny. Seas around 1 ft.
Thursday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Friday
Variable winds 5 kt or less. Partly sunny. Seas 1 ft or less.
Friday Night
SW wind 5 to 8 kt becoming W 11 to 14 kt after midnight. Snow showers likely, mainly after 1am. Seas around 1 ft.
Saturday
NW wind 22 to 27 kt increasing to 27 to 32 kt in the afternoon. Winds could gust as high as 40 kt. A chance of snow showers before 7am. Seas 2 to 3 ft.
Saturday Night
NW wind 32 to 35 kt decreasing to 28 to 31 kt after midnight. Winds could gust as high as 43 kt. Mostly clear. Seas 2 to 3 ft.
Sunday
NW wind 17 to 20 kt decreasing to 14 to 17 kt in the afternoon. Winds could gust as high as 28 kt. Mostly sunny. Seas 1 to 2 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: 40.91°N 73.39°W
Last Update: 2:42 am EST Feb 4, 2026
Forecast Valid: 5am EST Feb 4, 2026-6pm EST Feb 10, 2026
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