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New York, NY Local Forecast Office

14NM SSE Islip NY

Marine Point Forecast

[NOTICE]
    • Wednesday

      Wednesday:SSW wind 16 to 20 kt. Mostly sunny. Seas 4 to 5 ft.

      SSW 20kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Wednesday Night

      Wednesday Night:SW wind 19 to 23 kt, with gusts as high as 30 kt. A slight chance of showers and thunderstorms before 2am.   Seas 5 to 6 ft.

      SW 23kt
      5-6ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday

      Thursday:SSW wind 14 to 16 kt. Sunny. Seas around 4 ft.

      SSW 16kt
      4ft

    • Thursday Night

      Thursday Night:SSW wind 17 to 20 kt becoming WSW 11 to 14 kt after midnight. Clear. Seas 5 ft subsiding to 3 ft.

      SSW 20kt⇓
      5ftWaves Subsiding

    • Friday

      Friday:W wind 7 to 10 kt becoming SW 11 to 14 kt in the afternoon. Sunny. Seas around 3 ft.

      ⇑SW 14kt
      3ft

    • Friday Night

      Friday Night:WSW wind 6 to 10 kt becoming WNW after midnight. Partly cloudy. Seas 2 to 3 ft.

      WSW 10kt
      2-3ft

    • Independence Day

      Independence Day:Variable winds less than 5 kt becoming SSW 8 to 13 kt in the morning. A chance of showers after 2pm.   Seas around 2 ft.

      ⇑SSW 13kt
      2ft

    • Saturday Night

      Saturday Night:SSW wind 5 to 9 kt becoming WNW after midnight. A chance of showers.   Seas around 2 ft.

      SSW 9kt
      2ft

    • Sunday

      Sunday:WNW wind 5 to 10 kt becoming S in the afternoon. A chance of showers.   Seas around 2 ft.

      S 10kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 2:37 am EDT Jul 1, 2026
Forecast Valid: 3am EDT Jul 1, 2026-6pm EDT Jul 7, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING

Wednesday
SSW wind 16 to 20 kt. Mostly sunny. Seas 4 to 5 ft.
Wednesday Night
SW wind 19 to 23 kt, with gusts as high as 30 kt. A slight chance of showers and thunderstorms before 2am. Seas 5 to 6 ft.
Thursday
SSW wind 14 to 16 kt. Sunny. Seas around 4 ft.
Thursday Night
SSW wind 17 to 20 kt becoming WSW 11 to 14 kt after midnight. Clear. Seas 5 ft subsiding to 3 ft.
Friday
W wind 7 to 10 kt becoming SW 11 to 14 kt in the afternoon. Sunny. Seas around 3 ft.
Friday Night
WSW wind 6 to 10 kt becoming WNW after midnight. Partly cloudy. Seas 2 to 3 ft.
Independence Day
Variable winds less than 5 kt becoming SSW 8 to 13 kt in the morning. A chance of showers after 2pm. Seas around 2 ft.
Saturday Night
SSW wind 5 to 9 kt becoming WNW after midnight. A chance of showers. Seas around 2 ft.
Sunday
WNW wind 5 to 10 kt becoming S in the afternoon. A chance of showers. 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: 40.5°N 73.15°W
Last Update: 2:37 am EDT Jul 1, 2026
Forecast Valid: 3am EDT Jul 1, 2026-6pm EDT Jul 7, 2026
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