Hazardous Weather Conditions

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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:WSW wind around 10 kt becoming NW after midnight. A slight chance of flurries between 7pm and 1am.   Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Thursday

      Thursday:WNW wind 10 to 13 kt. Mostly sunny. Seas 1 ft or less.

      WNW 13kt
      < 1ft

    • Thursday Night

      Thursday Night:WNW wind around 16 kt. Mostly clear. Seas around 1 ft.

      WNW 16kt
      1ft

    • Friday

      Friday:WNW wind around 13 kt. Sunny. Seas around 1 ft.

      WNW 13kt
      1ft

    • Friday Night

      Friday Night:NW wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Mostly clear. Seas 1 ft or less.

      NW 13kt⇓
      < 1ft

    • Saturday

      Saturday:NW wind 6 to 8 kt becoming N in the afternoon. Mostly sunny. Seas 1 ft or less.

      N 8kt
      < 1ft

    • Saturday Night

      Saturday Night:NNE wind 14 to 19 kt increasing to 20 to 25 kt after midnight. A chance of snow after 1am.   Seas 1 ft or less.

      ⇑NNE 25kt
      < 1ft

    • Sunday

      Sunday:N wind 24 to 26 kt, with gusts as high as 34 kt. A chance of snow.   Seas 1 to 2 ft.

      N 26kt
      1-2ft

    • Sunday Night

      Sunday Night:NW wind 23 to 26 kt decreasing to 20 to 23 kt after midnight. Winds could gust as high as 33 kt. Mostly cloudy. Seas 1 to 2 ft.

      NW 26kt⇓
      1-2ft


Associated Zone Forecast which includes this point

Last Update: 4:40 pm EST Jan 28, 2026
Forecast Valid: 6pm EST Jan 28, 2026-6pm EST Feb 4, 2026

View Nearby Observations

Detailed Forecast


Tonight
WSW wind around 10 kt becoming NW after midnight. A slight chance of flurries between 7pm and 1am. Seas 1 ft or less.
Thursday
WNW wind 10 to 13 kt. Mostly sunny. Seas 1 ft or less.
Thursday Night
WNW wind around 16 kt. Mostly clear. Seas around 1 ft.
Friday
WNW wind around 13 kt. Sunny. Seas around 1 ft.
Friday Night
NW wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Mostly clear. Seas 1 ft or less.
Saturday
NW wind 6 to 8 kt becoming N in the afternoon. Mostly sunny. Seas 1 ft or less.
Saturday Night
NNE wind 14 to 19 kt increasing to 20 to 25 kt after midnight. A chance of snow after 1am. Seas 1 ft or less.
Sunday
N wind 24 to 26 kt, with gusts as high as 34 kt. A chance of snow. Seas 1 to 2 ft.
Sunday Night
NW wind 23 to 26 kt decreasing to 20 to 23 kt after midnight. Winds could gust as high as 33 kt. Mostly cloudy. 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: 4:40 pm EST Jan 28, 2026
Forecast Valid: 6pm EST Jan 28, 2026-6pm EST Feb 4, 2026
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