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Hazardous Weather Conditions

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New York, NY Local Forecast Office

19NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:W wind around 18 kt, with gusts as high as 30 kt. Sunny. Seas around 4 ft.

      W 18kt
      4ft

      Gale Warning
      Gale Warning

    • Tonight

      Tonight:WNW wind 10 to 13 kt becoming NNW 6 to 9 kt after midnight. Increasing clouds. Seas 2 to 3 ft.

      WNW 13kt⇓
      2-3ft

    • Sunday

      Sunday:ENE wind 9 to 13 kt becoming ESE in the afternoon. Partly sunny. Seas 1 to 2 ft.

      ESE 13kt
      1-2ft

    • Sunday Night

      Sunday Night:ESE wind 12 to 15 kt increasing to 16 to 19 kt after midnight. Winds could gust as high as 29 kt. Showers, mainly after 2am. Seas 2 ft building to 4 ft.

      ⇑ESE 19kt
      Waves Building4ft

    • Monday

      Monday:S wind 21 to 25 kt, with gusts as high as 38 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 6 ft building to 8 ft.

      S 25kt
      Waves Building8ft

    • Monday Night

      Monday Night:S wind 28 to 31 kt becoming SW 24 to 27 kt after midnight. Winds could gust as high as 43 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas around 11 ft.

      S 31kt⇓
      11ft

    • Tuesday

      Tuesday:W wind 21 to 24 kt, with gusts as high as 33 kt. A chance of showers before 8am. Seas 7 to 8 ft.

      W 24kt
      7-8ft

    • Tuesday Night

      Tuesday Night:WNW wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Partly cloudy. Seas 5 to 6 ft.

      WNW 21kt⇓
      5-6ft

    • Wednesday

      Wednesday:NW wind 6 to 9 kt becoming SW in the afternoon. Mostly sunny. Seas 3 to 4 ft.

      NW 9kt
      3-4ft


Associated Zone Forecast which includes this point

Last Update: 2:22 pm EDT Mar 14, 2026
Forecast Valid: 3pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING...

This Afternoon
W wind around 18 kt, with gusts as high as 30 kt. Sunny. Seas around 4 ft.
Tonight
WNW wind 10 to 13 kt becoming NNW 6 to 9 kt after midnight. Increasing clouds. Seas 2 to 3 ft.
Sunday
ENE wind 9 to 13 kt becoming ESE in the afternoon. Partly sunny. Seas 1 to 2 ft.
Sunday Night
ESE wind 12 to 15 kt increasing to 16 to 19 kt after midnight. Winds could gust as high as 29 kt. Showers, mainly after 2am. Seas 2 ft building to 4 ft.
Monday
S wind 21 to 25 kt, with gusts as high as 38 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas 6 ft building to 8 ft.
Monday Night
S wind 28 to 31 kt becoming SW 24 to 27 kt after midnight. Winds could gust as high as 43 kt. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Seas around 11 ft.
Tuesday
W wind 21 to 24 kt, with gusts as high as 33 kt. A chance of showers before 8am. Seas 7 to 8 ft.
Tuesday Night
WNW wind 18 to 21 kt decreasing to 15 to 18 kt after midnight. Partly cloudy. Seas 5 to 6 ft.
Wednesday
NW wind 6 to 9 kt becoming SW in the afternoon. 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: 2:22 pm EDT Mar 14, 2026
Forecast Valid: 3pm EDT Mar 14, 2026-6pm EDT Mar 21, 2026
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