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Hazardous Weather Conditions

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New York, NY Local Forecast Office

16NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SSW wind 14 to 17 kt becoming WSW 11 to 14 kt after midnight. Winds could gust as high as 24 kt. Mostly clear. Seas around 3 ft.

      SSW 17kt⇓
      3ft

    • Tuesday

      Tuesday:WSW wind 11 to 15 kt, with gusts as high as 22 kt. Sunny. Seas 2 to 3 ft.

      WSW 15kt
      2-3ft

    • Tuesday Night

      Tuesday Night:SW wind 14 to 17 kt. Mostly clear. Seas 3 to 4 ft.

      SW 17kt
      3-4ft

    • Wednesday

      Wednesday:WSW wind around 12 kt. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas 2 to 3 ft.

      WSW 12kt
      2-3ft

    • Wednesday Night

      Wednesday Night:NW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Seas around 2 ft.

      NW 11kt⇓
      2ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming SW 7 to 12 kt in the morning. Mostly sunny. Seas around 2 ft.

      ⇑SW 12kt
      2ft

    • Thursday Night

      Thursday Night:WSW wind 9 to 12 kt becoming NW 5 to 8 kt after midnight. Partly cloudy. Seas around 2 ft.

      WSW 12kt⇓
      2ft

    • Friday

      Friday:NNW wind 6 to 10 kt becoming SW in the afternoon. Mostly sunny. Seas around 2 ft.

      SW 10kt
      2ft

    • Friday Night

      Friday Night:WSW wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas around 2 ft.

      WSW 9kt⇓
      2ft


Associated Zone Forecast which includes this point

Last Update: 3:14 pm EDT Jul 13, 2026
Forecast Valid: 8pm EDT Jul 13, 2026-6pm EDT Jul 20, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH

Tonight
SSW wind 14 to 17 kt becoming WSW 11 to 14 kt after midnight. Winds could gust as high as 24 kt. Mostly clear. Seas around 3 ft.
Tuesday
WSW wind 11 to 15 kt, with gusts as high as 22 kt. Sunny. Seas 2 to 3 ft.
Tuesday Night
SW wind 14 to 17 kt. Mostly clear. Seas 3 to 4 ft.
Wednesday
WSW wind around 12 kt. A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Seas 2 to 3 ft.
Wednesday Night
NW wind 6 to 11 kt becoming variable and less than 5 kt after midnight. A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Seas around 2 ft.
Thursday
Variable winds less than 5 kt becoming SW 7 to 12 kt in the morning. Mostly sunny. Seas around 2 ft.
Thursday Night
WSW wind 9 to 12 kt becoming NW 5 to 8 kt after midnight. Partly cloudy. Seas around 2 ft.
Friday
NNW wind 6 to 10 kt becoming SW in the afternoon. Mostly sunny. Seas around 2 ft.
Friday Night
WSW wind 5 to 9 kt becoming variable and less than 5 kt in the evening. Partly cloudy. 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: 40.59°N 73.51°W
Last Update: 3:14 pm EDT Jul 13, 2026
Forecast Valid: 8pm EDT Jul 13, 2026-6pm EDT Jul 20, 2026
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