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Hazardous Weather Conditions

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New York, NY Local Forecast Office

12NM NNE Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:SSW wind 5 to 10 kt increasing to 11 to 16 kt in the afternoon. Winds could gust as high as 24 kt. Sunny. Seas 1 ft or less.

      ⇑SSW 16kt
      < 1ft

    • Tonight

      Tonight:SSW wind 14 to 17 kt decreasing to 11 to 14 kt after midnight. Winds could gust as high as 24 kt. A slight chance of showers after 2am. Seas 1 ft or less.

      SSW 17kt⇓
      < 1ft

    • Wednesday

      Wednesday:NW wind 9 to 12 kt. A slight chance of showers before 8am. Seas 1 ft or less.

      NW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:N wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      N 7kt⇓
      < 1ft

    • Thursday

      Thursday:ENE wind 5 to 7 kt becoming SE in the afternoon. Mostly sunny. Seas 1 ft or less.

      ESE 7kt
      < 1ft

    • Thursday Night

      Thursday Night:SSE wind around 7 kt. A chance of showers after 2am. Seas 1 ft or less.

      SSE 7kt
      < 1ft

    • Friday

      Friday:S wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers before 8am, then a chance of showers after 2pm. Seas 1 ft or less.

      ⇑S 12kt
      < 1ft

    • Friday Night

      Friday Night:SW wind 8 to 12 kt. Showers likely. Seas around 1 ft.

      SW 12kt
      1ft

    • Saturday

      Saturday:SW wind 6 to 9 kt becoming W in the afternoon. Showers likely. Seas around 1 ft.

      W 9kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 9:34 am EDT Apr 29, 2025
Forecast Valid: 9am EDT Apr 29, 2025-6pm EDT May 5, 2025

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Today
SSW wind 5 to 10 kt increasing to 11 to 16 kt in the afternoon. Winds could gust as high as 24 kt. Sunny. Seas 1 ft or less.
Tonight
SSW wind 14 to 17 kt decreasing to 11 to 14 kt after midnight. Winds could gust as high as 24 kt. A slight chance of showers after 2am. Seas 1 ft or less.
Wednesday
NW wind 9 to 12 kt. A slight chance of showers before 8am. Seas 1 ft or less.
Wednesday Night
N wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Thursday
ENE wind 5 to 7 kt becoming SE in the afternoon. Mostly sunny. Seas 1 ft or less.
Thursday Night
SSE wind around 7 kt. A chance of showers after 2am. Seas 1 ft or less.
Friday
S wind 6 to 9 kt increasing to 9 to 12 kt in the afternoon. Winds could gust as high as 20 kt. A chance of showers before 8am, then a chance of showers after 2pm. Seas 1 ft or less.
Friday Night
SW wind 8 to 12 kt. Showers likely. Seas around 1 ft.
Saturday
SW wind 6 to 9 kt becoming W in the afternoon. Showers likely. Seas around 1 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: 40.92°N 73.15°W
Last Update: 9:34 am EDT Apr 29, 2025
Forecast Valid: 9am EDT Apr 29, 2025-6pm EDT May 5, 2025
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