For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:ENE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.

      ENE 6kt⇓
      < 1ft

    • Tonight

      Tonight:E wind around 6 kt. A slight chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am.  Patchy fog after 2am.  Seas 1 ft or less.

      E 6kt
      < 1ft

    • Sunday

      Sunday:ESE wind 5 to 8 kt becoming SSW in the afternoon. A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm.  Patchy fog before 9am.  Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Sunday Night

      Sunday Night:WSW wind 6 to 9 kt. A slight chance of showers before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am.   Seas 1 ft or less.

      WSW 9kt
      < 1ft

    • Monday

      Monday:WSW wind 6 to 9 kt. A slight chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      WSW 9kt
      < 1ft

    • Monday Night

      Monday Night:W wind around 8 kt. Mostly clear. Seas 1 ft or less.

      W 8kt
      < 1ft

    • Tuesday

      Tuesday:W wind around 8 kt. Sunny. Seas 1 ft or less.

      W 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:W wind around 6 kt. Mostly clear. Seas 1 ft or less.

      W 6kt
      < 1ft

    • Wednesday

      Wednesday:Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:42 am EDT Aug 22, 2026
Forecast Valid: 10am EDT Aug 22, 2026-6pm EDT Aug 28, 2026

View Nearby Observations

Detailed Forecast


Today
ENE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly cloudy. Seas 1 ft or less.
Tonight
E wind around 6 kt. A slight chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Patchy fog after 2am. Seas 1 ft or less.
Sunday
ESE wind 5 to 8 kt becoming SSW in the afternoon. A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers after 5pm. Patchy fog before 9am. Seas 1 ft or less.
Sunday Night
WSW wind 6 to 9 kt. A slight chance of showers before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Seas 1 ft or less.
Monday
WSW wind 6 to 9 kt. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Monday Night
W wind around 8 kt. Mostly clear. Seas 1 ft or less.
Tuesday
W wind around 8 kt. Sunny. Seas 1 ft or less.
Tuesday Night
W wind around 6 kt. Mostly clear. Seas 1 ft or less.
Wednesday
Variable winds 5 kt or less. 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...

ABOUT THIS FORECAST

Point Forecast: 40.91°N 73.39°W
Last Update: 3:42 am EDT Aug 22, 2026
Forecast Valid: 10am EDT Aug 22, 2026-6pm EDT Aug 28, 2026
  Forecast Discussion
  Get as KML Get as XML

RADAR & SATELLITE IMAGES

 Link to Satellite Data