Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • This Afternoon

      This Afternoon:WNW wind around 6 kt. A slight chance of showers and thunderstorms.   Seas around 1 ft.

      WNW 6kt
      1ft

    • Tonight

      Tonight:Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am, then a slight chance of showers.   Seas 1 ft or less.

      Light Wind
      < 1ft

    • Saturday

      Saturday:NE wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. A slight chance of showers, mainly between 11am and 2pm.   Seas 1 ft or less.

      NE 7kt⇓
      < 1ft

    • Saturday Night

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

      Light Wind
      < 1ft

    • Sunday

      Sunday:NNE wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

      NNE 7kt⇓
      < 1ft

    • Sunday Night

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

      Light Wind
      < 1ft

    • Monday

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

      ⇑S 7kt
      < 1ft

    • Monday Night

      Monday Night:SW wind 8 to 11 kt. Mostly clear. Seas around 1 ft.

      SW 11kt
      1ft

    • Tuesday

      Tuesday:WSW wind 7 to 9 kt. Sunny. Seas around 1 ft.

      WSW 9kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 12:03 pm EDT Jul 10, 2026
Forecast Valid: 2pm EDT Jul 10, 2026-6pm EDT Jul 16, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
WNW wind around 6 kt. A slight chance of showers and thunderstorms. Seas around 1 ft.
Tonight
Variable winds 5 kt or less. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas 1 ft or less.
Saturday
NE wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. A slight chance of showers, mainly between 11am and 2pm. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Sunday
NNE wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.
Sunday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Monday
Variable winds less than 5 kt becoming S 5 to 7 kt in the afternoon. Sunny. Seas 1 ft or less.
Monday Night
SW wind 8 to 11 kt. Mostly clear. Seas around 1 ft.
Tuesday
WSW wind 7 to 9 kt. Sunny. 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.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

Point Forecast: 40.91°N 73.39°W
Last Update: 12:03 pm EDT Jul 10, 2026
Forecast Valid: 2pm EDT Jul 10, 2026-6pm EDT Jul 16, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data