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Hazardous Weather Conditions

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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:S wind 8 to 10 kt. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      S 10kt
      < 1ft

    • Tonight

      Tonight:SW wind 8 to 11 kt. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Thursday

      Thursday:WSW wind 6 to 8 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      WSW 8kt
      < 1ft

    • Thursday Night

      Thursday Night:WSW wind 5 to 9 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas 1 ft or less.

      WSW 9kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming S around 6 kt in the afternoon. A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑S 6kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 6 kt becoming NNW after midnight. A chance of showers between 8pm and 2am. Seas 1 ft or less.

      SSW 6kt
      < 1ft

    • Saturday

      Saturday:NW wind around 7 kt. Mostly sunny. Seas 1 ft or less.

      NW 7kt
      < 1ft

    • Saturday Night

      Saturday Night:NW wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.

      NW 6kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming SSW 6 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSW 11kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:43 am EDT Jun 10, 2026
Forecast Valid: 8am EDT Jun 10, 2026-6pm EDT Jun 16, 2026

View Nearby Observations

Detailed Forecast


Today
S wind 8 to 10 kt. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Tonight
SW wind 8 to 11 kt. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.
Thursday
WSW wind 6 to 8 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Thursday Night
WSW wind 5 to 9 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming S around 6 kt in the afternoon. A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Friday Night
SSW wind around 6 kt becoming NNW after midnight. A chance of showers between 8pm and 2am. Seas 1 ft or less.
Saturday
NW wind around 7 kt. Mostly sunny. Seas 1 ft or less.
Saturday Night
NW wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming SSW 6 to 11 kt in the afternoon. Sunny. Seas 1 ft or less.

Winds and seas may be higher in and near tstms.

*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: 3:43 am EDT Jun 10, 2026
Forecast Valid: 8am EDT Jun 10, 2026-6pm EDT Jun 16, 2026
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