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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:Variable winds less than 5 kt becoming SW 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SW 8kt
      < 1ft

    • Tonight

      Tonight:SSW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Clear. Seas 1 ft or less.

      SSW 9kt⇓
      < 1ft

    • Friday

      Friday:Variable winds less than 5 kt becoming W around 6 kt in the morning. Isolated showers and thunderstorms after 2pm. Seas 1 ft or less.

      ⇑W 6kt
      < 1ft

    • Friday Night

      Friday Night:W wind around 6 kt. Isolated showers and thunderstorms before 2am. Seas 1 ft or less.

      W 6kt
      < 1ft

    • Independence Day

      Independence Day:W wind 5 to 7 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      W 7kt
      < 1ft

    • Saturday Night

      Saturday Night:NW wind around 6 kt. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.

      NW 6kt
      < 1ft

    • Sunday

      Sunday:Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday Night

      Sunday Night:SE wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms, then showers likely after 8pm. Seas 1 ft or less.

      SE 6kt⇓
      < 1ft

    • Monday

      Monday:E wind 7 to 9 kt. Showers likely, with thunderstorms also possible after 2pm. Seas around 1 ft.

      E 9kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 2:58 am EDT Jul 2, 2026
Forecast Valid: 6am EDT Jul 2, 2026-6pm EDT Jul 8, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming SW 5 to 8 kt in the afternoon. Sunny. Seas 1 ft or less.
Tonight
SSW wind 5 to 9 kt becoming variable and less than 5 kt after midnight. Clear. Seas 1 ft or less.
Friday
Variable winds less than 5 kt becoming W around 6 kt in the morning. Isolated showers and thunderstorms after 2pm. Seas 1 ft or less.
Friday Night
W wind around 6 kt. Isolated showers and thunderstorms before 2am. Seas 1 ft or less.
Independence Day
W wind 5 to 7 kt. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Saturday Night
NW wind around 6 kt. A chance of showers and thunderstorms before 2am. Seas 1 ft or less.
Sunday
Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Sunday Night
SE wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers and thunderstorms, then showers likely after 8pm. Seas 1 ft or less.
Monday
E wind 7 to 9 kt. Showers likely, with thunderstorms also possible after 2pm. Seas around 1 ft.

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: 2:58 am EDT Jul 2, 2026
Forecast Valid: 6am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
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