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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]

    • This Afternoon

      This Afternoon:S wind around 13 kt. Partly sunny. Seas 1 ft or less.

      S 13kt
      < 1ft

    • Tonight

      Tonight:S wind 13 to 16 kt decreasing to 8 to 11 kt after midnight. Winds could gust as high as 23 kt. Showers and thunderstorms before 2am, then showers likely. Seas 1 ft or less.

      S 16kt⇓
      < 1ft

    • Monday

      Monday:NNW wind 7 to 11 kt becoming WNW in the afternoon. A chance of showers before 8am. Seas 1 ft or less.

      NNW 11kt
      < 1ft

    • Monday Night

      Monday Night:NW wind 6 to 11 kt. Mostly clear. Seas 1 ft or less.

      NW 11kt
      < 1ft

    • Tuesday

      Tuesday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday Night

      Tuesday Night:S wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.

      S 8kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Partly sunny. Seas 1 ft or less.

      ⇑S 10kt
      < 1ft

    • Wednesday Night

      Wednesday Night:S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less.

      S 7kt⇓
      < 1ft

    • Thursday

      Thursday:S wind 8 to 11 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 24 kt. A chance of showers. Seas 1 ft or less.

      ⇑S 16kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:22 pm EDT Jun 14, 2026
Forecast Valid: 2pm EDT Jun 14, 2026-6pm EDT Jun 20, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

This Afternoon
S wind around 13 kt. Partly sunny. Seas 1 ft or less.
Tonight
S wind 13 to 16 kt decreasing to 8 to 11 kt after midnight. Winds could gust as high as 23 kt. Showers and thunderstorms before 2am, then showers likely. Seas 1 ft or less.
Monday
NNW wind 7 to 11 kt becoming WNW in the afternoon. A chance of showers before 8am. Seas 1 ft or less.
Monday Night
NW wind 6 to 11 kt. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Sunny. Seas 1 ft or less.
Tuesday Night
S wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Partly sunny. Seas 1 ft or less.
Wednesday Night
S wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly cloudy. Seas 1 ft or less.
Thursday
S wind 8 to 11 kt increasing to 13 to 16 kt in the afternoon. Winds could gust as high as 24 kt. A chance of showers. 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: 2:22 pm EDT Jun 14, 2026
Forecast Valid: 2pm EDT Jun 14, 2026-6pm EDT Jun 20, 2026
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