National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SSW wind 7 to 11 kt. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.

      SSW 11kt
      < 1ft

    • Thursday

      Thursday:W wind around 7 kt. A chance of showers and thunderstorms, mainly after 5pm. Seas 1 ft or less.

      W 7kt
      < 1ft

    • Thursday Night

      Thursday Night:W wind 5 to 7 kt. 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:Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 1 ft or less.

      ⇑SW 6kt
      < 1ft

    • Friday Night

      Friday Night:SW wind around 8 kt becoming NW after midnight. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.

      NW 8kt
      < 1ft

    • Saturday

      Saturday:NW wind 5 to 8 kt. Sunny. Seas 1 ft or less.

      NW 8kt
      < 1ft

    • Saturday Night

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

      WNW 6kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 7 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑S 12kt
      < 1ft

    • Sunday Night

      Sunday Night:SSW wind 8 to 13 kt becoming W after midnight. A chance of showers. Seas 1 ft or less.

      SSW 13kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:23 pm EDT Jun 10, 2026
Forecast Valid: 6pm EDT Jun 10, 2026-6pm EDT Jun 17, 2026

View Nearby Observations

Detailed Forecast


Tonight
SSW wind 7 to 11 kt. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.
Thursday
W wind around 7 kt. A chance of showers and thunderstorms, mainly after 5pm. Seas 1 ft or less.
Thursday Night
W wind 5 to 7 kt. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming SW around 6 kt in the afternoon. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas 1 ft or less.
Friday Night
SW wind around 8 kt becoming NW after midnight. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.
Saturday
NW wind 5 to 8 kt. Sunny. Seas 1 ft or less.
Saturday Night
WNW wind around 6 kt becoming variable and less than 5 kt in the evening. Clear. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 7 to 12 kt in the afternoon. Sunny. Seas 1 ft or less.
Sunday Night
SSW wind 8 to 13 kt becoming W after midnight. 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: 2:23 pm EDT Jun 10, 2026
Forecast Valid: 6pm EDT Jun 10, 2026-6pm EDT Jun 17, 2026
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