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

For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • Friday

      Friday:WSW wind around 8 kt becoming WNW in the afternoon. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas around 1 ft.

      W 8kt
      1ft

    • Friday Night

      Friday Night:W wind around 9 kt becoming NW after midnight. A chance of showers and thunderstorms before 11pm. Seas around 1 ft.

      W 9kt
      1ft

    • Saturday

      Saturday:WNW wind around 7 kt. Sunny. Seas around 1 ft.

      WNW 7kt
      1ft

    • Saturday Night

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

      W 6kt⇓
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 9 to 14 kt in the morning. Winds could gust as high as 21 kt. A chance of showers after 2pm. Seas 1 ft or less building to 2 ft.

      ⇑S 14kt
      Waves Building2ft

    • Sunday Night

      Sunday Night:S wind 12 to 15 kt becoming WSW 9 to 12 kt after midnight. Winds could gust as high as 21 kt. Showers, mainly between 8pm and 2am. Seas 1 to 2 ft.

      S 15kt⇓
      1-2ft

    • Monday

      Monday:NW wind 7 to 10 kt becoming W in the afternoon. A chance of showers before 8am. Seas around 1 ft.

      NW 10kt
      1ft

    • Monday Night

      Monday Night:WNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.

      WNW 8kt⇓
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑SSW 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:45 am EDT Jun 12, 2026
Forecast Valid: 4am EDT Jun 12, 2026-6pm EDT Jun 18, 2026

View Nearby Observations

Detailed Forecast


Friday
WSW wind around 8 kt becoming WNW in the afternoon. A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Seas around 1 ft.
Friday Night
W wind around 9 kt becoming NW after midnight. A chance of showers and thunderstorms before 11pm. Seas around 1 ft.
Saturday
WNW wind around 7 kt. Sunny. Seas around 1 ft.
Saturday Night
W 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 S 9 to 14 kt in the morning. Winds could gust as high as 21 kt. A chance of showers after 2pm. Seas 1 ft or less building to 2 ft.
Sunday Night
S wind 12 to 15 kt becoming WSW 9 to 12 kt after midnight. Winds could gust as high as 21 kt. Showers, mainly between 8pm and 2am. Seas 1 to 2 ft.
Monday
NW wind 7 to 10 kt becoming W in the afternoon. A chance of showers before 8am. Seas around 1 ft.
Monday Night
WNW wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Partly cloudy. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming SSW 5 to 7 kt in the afternoon. Mostly 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

Point Forecast: 40.91°N 73.39°W
Last Update: 2:45 am EDT Jun 12, 2026
Forecast Valid: 4am EDT Jun 12, 2026-6pm EDT Jun 18, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data