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

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New York, NY Local Forecast Office

12NM NNE Islip NY

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:S wind 5 to 9 kt. Sunny. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Tonight

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

      Light Wind
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. Partly sunny. Seas 1 ft or less.

      ⇑SSE 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 10 to 12 kt. A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Seas around 1 ft.

      SSW 12kt
      1ft

    • Thursday

      Thursday:W wind around 14 kt becoming WNW in the afternoon. Winds could gust as high as 21 kt. A chance of rain before 5pm, then a chance of rain and snow showers. Seas around 2 ft.

      W 14kt
      2ft

    • Thursday Night

      Thursday Night:NW wind 7 to 10 kt. A chance of rain and snow showers before 8pm. Seas 1 to 2 ft.

      NW 10kt
      1-2ft

    • Friday

      Friday:Variable winds less than 5 kt becoming S 8 to 13 kt in the morning. Winds could gust as high as 21 kt. Increasing clouds. Seas around 1 ft.

      ⇑S 13kt
      1ft

    • Friday Night

      Friday Night:S wind 13 to 16 kt becoming SW after midnight. Winds could gust as high as 22 kt. Mostly cloudy. Seas around 1 ft.

      S 16kt
      1ft

    • Saturday

      Saturday:W wind 10 to 13 kt. Mostly sunny. Seas around 2 ft.

      W 13kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 10:53 am EDT Mar 10, 2026
Forecast Valid: 12pm EDT Mar 10, 2026-6pm EDT Mar 16, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
S wind 5 to 9 kt. Sunny. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSE 5 to 8 kt in the afternoon. Partly sunny. Seas 1 ft or less.
Wednesday Night
SSW wind 10 to 12 kt. A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Seas around 1 ft.
Thursday
W wind around 14 kt becoming WNW in the afternoon. Winds could gust as high as 21 kt. A chance of rain before 5pm, then a chance of rain and snow showers. Seas around 2 ft.
Thursday Night
NW wind 7 to 10 kt. A chance of rain and snow showers before 8pm. Seas 1 to 2 ft.
Friday
Variable winds less than 5 kt becoming S 8 to 13 kt in the morning. Winds could gust as high as 21 kt. Increasing clouds. Seas around 1 ft.
Friday Night
S wind 13 to 16 kt becoming SW after midnight. Winds could gust as high as 22 kt. Mostly cloudy. Seas around 1 ft.
Saturday
W wind 10 to 13 kt. Mostly sunny. Seas around 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: 40.92°N 73.15°W
Last Update: 10:53 am EDT Mar 10, 2026
Forecast Valid: 12pm EDT Mar 10, 2026-6pm EDT Mar 16, 2026
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