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New York, NY Local Forecast Office

10NM E Islip NY

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:SW wind 9 to 11 kt. Partly cloudy. Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. A slight chance of showers after 5pm.   Seas 1 ft or less.

      ⇑SSW 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SW wind 7 to 11 kt. A chance of showers and thunderstorms before 2am, then a slight chance of showers.   Seas 1 ft or less.

      SW 11kt
      < 1ft

    • Thursday

      Thursday:SSW wind 6 to 11 kt. A slight chance of showers before 8am.   Seas 1 ft or less.

      SSW 11kt
      < 1ft

    • Thursday Night

      Thursday Night:SW wind 7 to 12 kt. A slight chance of showers after 2am.   Seas 1 ft or less.

      SW 12kt
      < 1ft

    • Friday

      Friday:SSW wind 6 to 8 kt. A chance of showers after 2pm.   Seas 1 ft or less.

      SSW 8kt
      < 1ft

    • Friday Night

      Friday Night:WSW wind around 7 kt becoming ENE in the evening. A chance of showers before 8pm.   Seas 1 ft or less.

      WSW 7kt
      < 1ft

    • Saturday

      Saturday:ENE wind around 8 kt becoming E in the afternoon. Partly sunny. Seas 1 ft or less.

      E 8kt
      < 1ft

    • Saturday Night

      Saturday Night:ESE wind around 7 kt. Mostly cloudy. Seas 1 ft or less.

      ESE 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 9:09 pm EDT Apr 14, 2026
Forecast Valid: 12am EDT Apr 15, 2026-6pm EDT Apr 21, 2026

View Nearby Observations

Detailed Forecast


Overnight
SW wind 9 to 11 kt. Partly cloudy. Seas 1 ft or less.
Wednesday
WSW wind 6 to 9 kt becoming SSW 9 to 12 kt in the afternoon. A slight chance of showers after 5pm. Seas 1 ft or less.
Wednesday Night
SW wind 7 to 11 kt. A chance of showers and thunderstorms before 2am, then a slight chance of showers. Seas 1 ft or less.
Thursday
SSW wind 6 to 11 kt. A slight chance of showers before 8am. Seas 1 ft or less.
Thursday Night
SW wind 7 to 12 kt. A slight chance of showers after 2am. Seas 1 ft or less.
Friday
SSW wind 6 to 8 kt. A chance of showers after 2pm. Seas 1 ft or less.
Friday Night
WSW wind around 7 kt becoming ENE in the evening. A chance of showers before 8pm. Seas 1 ft or less.
Saturday
ENE wind around 8 kt becoming E in the afternoon. Partly sunny. Seas 1 ft or less.
Saturday Night
ESE wind around 7 kt. Mostly cloudy. Seas 1 ft or less.

Winds and waves 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: 40.72°N 72.98°W
Last Update: 9:09 pm EDT Apr 14, 2026
Forecast Valid: 12am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
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