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Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:ENE wind 20 to 22 kt, with gusts as high as 28 kt. Snow. Seas around 3 ft.

      ENE 22kt
      3ft

    • Tonight

      Tonight:NE wind 24 to 29 kt increasing to 29 to 34 kt after midnight. Winds could gust as high as 49 kt. Snow. The snow could be heavy at times. Seas 4 ft building to 6 ft.

      ⇑NE 34kt
      Waves Building6ft

      Storm Warning
      Storm Warning

    • Monday

      Monday:N wind 27 to 32 kt decreasing to 22 to 27 kt in the afternoon. Winds could gust as high as 47 kt. Snow, mainly before 4pm. The snow could be heavy at times. Seas 7 to 8 ft.

      N 32kt⇓
      7-8ft

      Storm Warning
      Storm Warning

    • Monday Night

      Monday Night:NW wind around 20 kt, with gusts as high as 27 kt. A slight chance of snow before 7pm. Seas 7 ft subsiding to 4 ft.

      NW 20kt
      7ftWaves Subsiding

    • Tuesday

      Tuesday:WNW wind 19 to 22 kt decreasing to 16 to 19 kt in the afternoon. Sunny. Seas 3 to 4 ft.

      WNW 22kt⇓
      3-4ft

    • Tuesday Night

      Tuesday Night:W wind 10 to 15 kt becoming S after midnight. A chance of snow after 1am. Seas around 2 ft.

      S 15kt
      2ft

    • Wednesday

      Wednesday:SSW wind 16 to 20 kt. Snow likely, possibly mixing with rain after 7am, then gradually ending. Seas 3 to 4 ft.

      SSW 20kt
      3-4ft

    • Wednesday Night

      Wednesday Night:WSW wind 11 to 15 kt becoming W after midnight. Partly cloudy. Seas 4 to 5 ft.

      WSW 15kt
      4-5ft

    • Thursday

      Thursday:W wind 9 to 14 kt becoming SE in the afternoon. A chance of rain and snow between noon and 1pm, then a chance of rain after 1pm. Seas 3 to 4 ft.

      SE 14kt
      3-4ft


Associated Zone Forecast which includes this point

Last Update: 12:57 pm EST Feb 22, 2026
Forecast Valid: 2pm EST Feb 22, 2026-6pm EST Feb 28, 2026

View Nearby Observations

Detailed Forecast

...STORM WARNING IN EFFECT FROM 7 PM EST THIS EVENING THROUGH

This Afternoon
ENE wind 20 to 22 kt, with gusts as high as 28 kt. Snow. Seas around 3 ft.
Tonight
NE wind 24 to 29 kt increasing to 29 to 34 kt after midnight. Winds could gust as high as 49 kt. Snow. The snow could be heavy at times. Seas 4 ft building to 6 ft.
Monday
N wind 27 to 32 kt decreasing to 22 to 27 kt in the afternoon. Winds could gust as high as 47 kt. Snow, mainly before 4pm. The snow could be heavy at times. Seas 7 to 8 ft.
Monday Night
NW wind around 20 kt, with gusts as high as 27 kt. A slight chance of snow before 7pm. Seas 7 ft subsiding to 4 ft.
Tuesday
WNW wind 19 to 22 kt decreasing to 16 to 19 kt in the afternoon. Sunny. Seas 3 to 4 ft.
Tuesday Night
W wind 10 to 15 kt becoming S after midnight. A chance of snow after 1am. Seas around 2 ft.
Wednesday
SSW wind 16 to 20 kt. Snow likely, possibly mixing with rain after 7am, then gradually ending. Seas 3 to 4 ft.
Wednesday Night
WSW wind 11 to 15 kt becoming W after midnight. Partly cloudy. Seas 4 to 5 ft.
Thursday
W wind 9 to 14 kt becoming SE in the afternoon. A chance of rain and snow between noon and 1pm, then a chance of rain after 1pm. 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: 12:57 pm EST Feb 22, 2026
Forecast Valid: 2pm EST Feb 22, 2026-6pm EST Feb 28, 2026
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