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New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Sunday

      Sunday:WNW wind 8 to 11 kt becoming SSW 12 to 15 kt in the afternoon. Increasing clouds. Seas 2 to 3 ft.

      ⇑SSW 15kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday Night

      Sunday Night:SSW wind 12 to 15 kt becoming WNW 7 to 10 kt after midnight. Mostly cloudy. Seas 3 to 4 ft.

      SSW 15kt⇓
      3-4ft

    • Monday

      Monday:NW wind 5 to 8 kt becoming SE 8 to 11 kt in the afternoon. Sunny. Seas 2 to 3 ft.

      ⇑SE 11kt
      2-3ft

    • Monday Night

      Monday Night:E wind 11 to 14 kt decreasing to 6 to 9 kt after midnight. Mostly clear. Seas 2 to 3 ft.

      E 14kt⇓
      2-3ft

    • Tuesday

      Tuesday:NE wind 5 to 10 kt becoming SE in the afternoon. Sunny. Seas around 2 ft.

      SE 10kt
      2ft

    • Tuesday Night

      Tuesday Night:SSE wind around 7 kt becoming WSW after midnight. Mostly clear. Seas around 2 ft.

      SSE 7kt
      2ft

    • Wednesday

      Wednesday:N wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas around 2 ft.

      SSE 10kt
      2ft

    • Wednesday Night

      Wednesday Night:SSE wind 6 to 8 kt becoming ESE after midnight. Mostly clear. Seas around 2 ft.

      SSE 8kt
      2ft

    • Thursday

      Thursday:NNE wind 6 to 11 kt becoming SSE in the afternoon. Sunny. Seas around 2 ft.

      SSE 11kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 2:06 am EDT May 31, 2026
Forecast Valid: 2am EDT May 31, 2026-6pm EDT Jun 6, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

Sunday
WNW wind 8 to 11 kt becoming SSW 12 to 15 kt in the afternoon. Increasing clouds. Seas 2 to 3 ft.
Sunday Night
SSW wind 12 to 15 kt becoming WNW 7 to 10 kt after midnight. Mostly cloudy. Seas 3 to 4 ft.
Monday
NW wind 5 to 8 kt becoming SE 8 to 11 kt in the afternoon. Sunny. Seas 2 to 3 ft.
Monday Night
E wind 11 to 14 kt decreasing to 6 to 9 kt after midnight. Mostly clear. Seas 2 to 3 ft.
Tuesday
NE wind 5 to 10 kt becoming SE in the afternoon. Sunny. Seas around 2 ft.
Tuesday Night
SSE wind around 7 kt becoming WSW after midnight. Mostly clear. Seas around 2 ft.
Wednesday
N wind 5 to 10 kt becoming SSE in the afternoon. Sunny. Seas around 2 ft.
Wednesday Night
SSE wind 6 to 8 kt becoming ESE after midnight. Mostly clear. Seas around 2 ft.
Thursday
NNE wind 6 to 11 kt becoming SSE in the afternoon. Sunny. Seas around 2 ft.

*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: 40.53°N 73.44°W
Last Update: 2:06 am EDT May 31, 2026
Forecast Valid: 2am EDT May 31, 2026-6pm EDT Jun 6, 2026
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