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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:S wind 5 to 9 kt. Areas of fog before 11am.  Seas around 2 ft.

      S 9kt
      2ft

    • Tonight

      Tonight:S wind around 8 kt. Mostly cloudy. Seas around 2 ft.

      S 8kt
      2ft

    • Wednesday

      Wednesday:S wind 8 to 13 kt. Mostly cloudy. Seas 2 to 3 ft.

      S 13kt
      2-3ft

    • Wednesday Night

      Wednesday Night:SSW wind around 17 kt, with gusts as high as 24 kt. A chance of rain.   Seas around 4 ft.

      SSW 17kt
      4ft

    • Thursday

      Thursday:WSW wind around 17 kt becoming WNW in the afternoon. Winds could gust as high as 23 kt. Rain likely before 5pm, then a chance of rain and snow.   Seas around 4 ft.

      WSW 17kt
      4ft

    • Thursday Night

      Thursday Night:NW wind 9 to 13 kt. A chance of rain and snow before 8pm.   Seas 2 to 3 ft.

      NW 13kt
      2-3ft

    • Friday

      Friday:W wind 7 to 10 kt becoming S 13 to 18 kt in the morning. Winds could gust as high as 25 kt. Increasing clouds. Seas 2 to 3 ft.

      ⇑S 18kt
      2-3ft

    • Friday Night

      Friday Night:S wind 18 to 21 kt becoming SW after midnight. Winds could gust as high as 28 kt. Mostly cloudy. Seas around 5 ft.

      S 21kt
      5ft

    • Saturday

      Saturday:W wind 12 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 3 to 4 ft.

      W 16kt
      3-4ft


Associated Zone Forecast which includes this point

Last Update: 2:07 am EDT Mar 10, 2026
Forecast Valid: 5am EDT Mar 10, 2026-6pm EDT Mar 16, 2026

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Detailed Forecast

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

Today
S wind 5 to 9 kt. Areas of fog before 11am. Seas around 2 ft.
Tonight
S wind around 8 kt. Mostly cloudy. Seas around 2 ft.
Wednesday
S wind 8 to 13 kt. Mostly cloudy. Seas 2 to 3 ft.
Wednesday Night
SSW wind around 17 kt, with gusts as high as 24 kt. A chance of rain. Seas around 4 ft.
Thursday
WSW wind around 17 kt becoming WNW in the afternoon. Winds could gust as high as 23 kt. Rain likely before 5pm, then a chance of rain and snow. Seas around 4 ft.
Thursday Night
NW wind 9 to 13 kt. A chance of rain and snow before 8pm. Seas 2 to 3 ft.
Friday
W wind 7 to 10 kt becoming S 13 to 18 kt in the morning. Winds could gust as high as 25 kt. Increasing clouds. Seas 2 to 3 ft.
Friday Night
S wind 18 to 21 kt becoming SW after midnight. Winds could gust as high as 28 kt. Mostly cloudy. Seas around 5 ft.
Saturday
W wind 12 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas 3 to 4 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: 2:07 am EDT Mar 10, 2026
Forecast Valid: 5am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
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