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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:ENE wind around 11 kt. Sunny. Seas 1 ft or less.

      ENE 11kt
      < 1ft

    • Tonight

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

      E 6kt⇓
      < 1ft

    • Monday

      Monday:NE wind around 7 kt. Sunny. Seas 1 ft or less.

      NE 7kt
      < 1ft

    • Monday Night

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

      ESE 6kt⇓
      < 1ft

    • Tuesday

      Tuesday:NNE wind 5 to 7 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.

      E 7kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Seas 1 ft or less.

      SE 6kt⇓
      < 1ft

    • Wednesday

      Wednesday:Variable winds less than 5 kt becoming SE 5 to 8 kt in the morning. Mostly cloudy. Seas 1 ft or less.

      ⇑SE 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:ESE wind around 6 kt. Showers. Seas 1 ft or less.

      ESE 6kt
      < 1ft

    • Thursday

      Thursday:ESE wind 5 to 10 kt becoming NW in the afternoon. Showers. Seas 1 ft or less.

      NW 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:36 pm EDT Apr 26, 2026
Forecast Valid: 3pm EDT Apr 26, 2026-6pm EDT May 3, 2026

View Nearby Observations

Detailed Forecast


This Afternoon
ENE wind around 11 kt. Sunny. Seas 1 ft or less.
Tonight
E wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Monday
NE wind around 7 kt. Sunny. Seas 1 ft or less.
Monday Night
ESE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly clear. Seas 1 ft or less.
Tuesday
NNE wind 5 to 7 kt becoming E in the afternoon. Mostly sunny. Seas 1 ft or less.
Tuesday Night
SE wind around 6 kt becoming variable and less than 5 kt in the evening. Mostly cloudy. Seas 1 ft or less.
Wednesday
Variable winds less than 5 kt becoming SE 5 to 8 kt in the morning. Mostly cloudy. Seas 1 ft or less.
Wednesday Night
ESE wind around 6 kt. Showers. Seas 1 ft or less.
Thursday
ESE wind 5 to 10 kt becoming NW in the afternoon. 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.
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ABOUT THIS FORECAST

Point Forecast: 40.91°N 73.39°W
Last Update: 2:36 pm EDT Apr 26, 2026
Forecast Valid: 3pm EDT Apr 26, 2026-6pm EDT May 3, 2026
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