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Hazardous Weather Conditions

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New York, NY Local Forecast Office

7NM SSW Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:E wind around 16 kt, with gusts as high as 24 kt. Rain, mainly after 11am. Seas 1 to 2 ft.

      E 16kt
      1-2ft

    • Tonight

      Tonight:E wind 17 to 20 kt becoming NNE 11 to 14 kt after midnight. Winds could gust as high as 27 kt. Rain and possibly a thunderstorm, mainly before 2am, then a chance of rain and thunderstorms after 2am. Seas around 3 ft.

      E 20kt⇓
      3ft

    • Columbus Day

      Columbus Day:N wind 12 to 15 kt decreasing to 9 to 12 kt in the afternoon. Winds could gust as high as 21 kt. A chance of rain and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm. Seas around 3 ft.

      N 15kt⇓
      3ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.

      Light Wind
      2ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Mostly sunny. Seas around 1 ft.

      ⇑S 10kt
      1ft

    • Tuesday Night

      Tuesday Night:SW wind around 15 kt, with gusts as high as 21 kt. Partly cloudy. Seas 1 to 2 ft.

      SW 15kt
      1-2ft

    • Wednesday

      Wednesday:WSW wind around 11 kt becoming WNW in the afternoon. Sunny. Seas around 2 ft.

      WSW 11kt
      2ft

    • Wednesday Night

      Wednesday Night:N wind around 12 kt. Mostly clear. Seas around 1 ft.

      N 12kt
      1ft

    • Thursday

      Thursday:N wind 9 to 12 kt. Mostly sunny. Seas around 1 ft.

      N 12kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 5:35 am EDT Oct 11, 2026
Forecast Valid: 8am EDT Oct 11, 2026-6pm EDT Oct 17, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING

Today
E wind around 16 kt, with gusts as high as 24 kt. Rain, mainly after 11am. Seas 1 to 2 ft.
Tonight
E wind 17 to 20 kt becoming NNE 11 to 14 kt after midnight. Winds could gust as high as 27 kt. Rain and possibly a thunderstorm, mainly before 2am, then a chance of rain and thunderstorms after 2am. Seas around 3 ft.
Columbus Day
N wind 12 to 15 kt decreasing to 9 to 12 kt in the afternoon. Winds could gust as high as 21 kt. A chance of rain and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm. Seas around 3 ft.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas around 2 ft.
Tuesday
Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Mostly sunny. Seas around 1 ft.
Tuesday Night
SW wind around 15 kt, with gusts as high as 21 kt. Partly cloudy. Seas 1 to 2 ft.
Wednesday
WSW wind around 11 kt becoming WNW in the afternoon. Sunny. Seas around 2 ft.
Wednesday Night
N wind around 12 kt. Mostly clear. Seas around 1 ft.
Thursday
N wind 9 to 12 kt. Mostly sunny. 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: 40.63°N 73.3°W
Last Update: 5:35 am EDT Oct 11, 2026
Forecast Valid: 8am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
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