For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:S wind around 7 kt. A chance of showers and thunderstorms after 2am.   Seas 1 ft or less.

      S 7kt
      < 1ft

    • Tuesday

      Tuesday:S wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 21 kt. A chance of showers and thunderstorms.   Seas 1 ft or less.

      ⇑S 14kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSE wind 15 to 17 kt, with gusts as high as 23 kt. Showers and possibly a thunderstorm.   Seas 1 ft or less.

      SSE 17kt
      < 1ft

    • Wednesday

      Wednesday:SE wind 9 to 12 kt becoming E in the afternoon. Showers likely, with thunderstorms also possible after 11am.   Seas 1 ft or less.

      SE 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:NNE wind around 10 kt. Showers likely and possibly a thunderstorm.   Seas 1 ft or less.

      NNE 10kt
      < 1ft

    • Thursday

      Thursday:N wind around 11 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm.   Seas 1 ft or less.

      N 11kt
      < 1ft

    • Thursday Night

      Thursday Night:N wind around 8 kt. Showers likely and possibly a thunderstorm before 8pm.   Seas 1 ft or less.

      N 8kt
      < 1ft

    • Friday

      Friday:N wind 5 to 8 kt. A chance of showers.   Seas 1 ft or less.

      N 8kt
      < 1ft

    • Friday Night

      Friday Night:Variable winds 5 kt or less. A chance of showers.   Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:51 pm EDT Jul 27, 2026
Forecast Valid: 11pm EDT Jul 27, 2026-6pm EDT Aug 3, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH

Overnight
S wind around 7 kt. A chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Tuesday
S wind 8 to 11 kt increasing to 11 to 14 kt in the afternoon. Winds could gust as high as 21 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday Night
SSE wind 15 to 17 kt, with gusts as high as 23 kt. Showers and possibly a thunderstorm. Seas 1 ft or less.
Wednesday
SE wind 9 to 12 kt becoming E in the afternoon. Showers likely, with thunderstorms also possible after 11am. Seas 1 ft or less.
Wednesday Night
NNE wind around 10 kt. Showers likely and possibly a thunderstorm. Seas 1 ft or less.
Thursday
N wind around 11 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Thursday Night
N wind around 8 kt. Showers likely and possibly a thunderstorm before 8pm. Seas 1 ft or less.
Friday
N wind 5 to 8 kt. A chance of showers. Seas 1 ft or less.
Friday Night
Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.

*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: 2:51 pm EDT Jul 27, 2026
Forecast Valid: 11pm EDT Jul 27, 2026-6pm EDT Aug 3, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data