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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind 9 to 13 kt becoming NW after midnight. Mostly cloudy. Seas around 3 ft.

      SW 13kt
      3ft

    • Saturday

      Saturday:N wind 7 to 12 kt becoming E in the afternoon. Rain, mainly after 1pm.   Seas around 2 ft.

      E 12kt
      2ft

    • Saturday Night

      Saturday Night:E wind 9 to 13 kt becoming WNW after midnight. Rain.   Seas 2 to 3 ft.

      E 13kt
      2-3ft

    • Sunday

      Sunday:W wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 28 kt. A chance of rain before 1pm.   Seas 3 to 4 ft.

      ⇑W 20kt
      3-4ft

    • Sunday Night

      Sunday Night:WNW wind 23 to 27 kt, with gusts as high as 35 kt. Partly cloudy. Seas 4 to 5 ft.

      WNW 27kt
      4-5ft

    • Monday

      Monday:WNW wind 15 to 20 kt. Sunny. Seas 2 to 3 ft.

      WNW 20kt
      2-3ft

    • Monday Night

      Monday Night:WSW wind around 16 kt. Partly cloudy. Seas around 3 ft.

      WSW 16kt
      3ft

    • Tuesday

      Tuesday:W wind around 15 kt becoming SW in the afternoon. Sunny. Seas 2 to 3 ft.

      SW 15kt
      2-3ft

    • Tuesday Night

      Tuesday Night:SSW wind 15 to 17 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 2 to 3 ft.

      SSW 17kt
      2-3ft


Associated Zone Forecast which includes this point

Last Update: 6:02 pm EST Jan 9, 2026
Forecast Valid: 10pm EST Jan 9, 2026-6pm EST Jan 16, 2026

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Detailed Forecast

...GALE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH LATE SUNDAY

Tonight
SW wind 9 to 13 kt becoming NW after midnight. Mostly cloudy. Seas around 3 ft.
Saturday
N wind 7 to 12 kt becoming E in the afternoon. Rain, mainly after 1pm. Seas around 2 ft.
Saturday Night
E wind 9 to 13 kt becoming WNW after midnight. Rain. Seas 2 to 3 ft.
Sunday
W wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 28 kt. A chance of rain before 1pm. Seas 3 to 4 ft.
Sunday Night
WNW wind 23 to 27 kt, with gusts as high as 35 kt. Partly cloudy. Seas 4 to 5 ft.
Monday
WNW wind 15 to 20 kt. Sunny. Seas 2 to 3 ft.
Monday Night
WSW wind around 16 kt. Partly cloudy. Seas around 3 ft.
Tuesday
W wind around 15 kt becoming SW in the afternoon. Sunny. Seas 2 to 3 ft.
Tuesday Night
SSW wind 15 to 17 kt, with gusts as high as 23 kt. Mostly cloudy. Seas 2 to 3 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: 40.57°N 73.57°W
Last Update: 6:02 pm EST Jan 9, 2026
Forecast Valid: 10pm EST Jan 9, 2026-6pm EST Jan 16, 2026
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