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Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • 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 SSW 6 to 11 kt in the morning. Mostly sunny. Seas 1 ft or less.

      ⇑SSW 11kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSW wind 16 to 18 kt, with gusts as high as 25 kt. Partly cloudy. Seas 1 ft or less.

      SSW 18kt
      < 1ft

    • Thursday

      Thursday:WSW wind 8 to 12 kt. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

      WSW 12kt
      < 1ft

    • Thursday Night

      Thursday Night:W wind around 7 kt becoming NNW after midnight. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Seas 1 ft or less.

      W 7kt
      < 1ft

    • Friday

      Friday:NNW wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

      NNW 8kt⇓
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming ESE around 6 kt in the morning. Mostly sunny. Seas 1 ft or less.

      ⇑ESE 6kt
      < 1ft

    • Saturday Night

      Saturday Night:SSE wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

      SSE 8kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:19 pm EDT Sep 8, 2026
Forecast Valid: 4pm EDT Sep 8, 2026-6pm EDT Sep 15, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY EVENING THROUGH

Tonight
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SSW 6 to 11 kt in the morning. Mostly sunny. Seas 1 ft or less.
Wednesday Night
SSW wind 16 to 18 kt, with gusts as high as 25 kt. Partly cloudy. Seas 1 ft or less.
Thursday
WSW wind 8 to 12 kt. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Thursday Night
W wind around 7 kt becoming NNW after midnight. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Seas 1 ft or less.
Friday
NNW wind 5 to 8 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Saturday
Variable winds less than 5 kt becoming ESE around 6 kt in the morning. Mostly sunny. Seas 1 ft or less.
Saturday Night
SSE wind 5 to 8 kt. Partly cloudy. Seas 1 ft or less.

*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: 2:19 pm EDT Sep 8, 2026
Forecast Valid: 4pm EDT Sep 8, 2026-6pm EDT Sep 15, 2026
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