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Hazardous Weather Conditions

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New York, NY Local Forecast Office

16NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:W wind 22 to 25 kt, with gusts as high as 37 kt. Sunny. Seas 4 to 5 ft.

      W 25kt
      4-5ft

    • Tonight

      Tonight:WNW wind 10 to 13 kt becoming NNW 5 to 8 kt after midnight. Winds could gust as high as 20 kt. 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 11 to 14 kt increasing to 15 to 18 kt after midnight. Winds could gust as high as 26 kt. Rain, mainly after 2am. Seas 2 ft building to 4 ft.

      ⇑ESE 18kt
      Waves Building4ft

    • Monday

      Monday:S wind 22 to 26 kt, with gusts as high as 40 kt. Rain, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. Seas 7 ft building to 10 ft.

      S 26kt
      Waves Building10ft

    • Monday Night

      Monday Night:S wind 31 to 34 kt becoming SW 26 to 29 kt after midnight. Winds could gust as high as 48 kt. Rain before 5am, then a chance of rain and snow. The rain could be heavy at times. Seas 10 to 11 ft.

      S 34kt⇓
      10-11ft

    • Tuesday

      Tuesday:W wind 19 to 21 kt, with gusts as high as 28 kt. A chance of rain and snow before 8am. Seas 10 ft subsiding to 8 ft.

      W 21kt
      10ftWaves Subsiding

    • Tuesday Night

      Tuesday Night:WNW wind 16 to 19 kt decreasing to 13 to 16 kt after midnight. Winds could gust as high as 26 kt. Partly cloudy. Seas 6 to 7 ft.

      WNW 19kt⇓
      6-7ft

    • Wednesday

      Wednesday:WNW wind 6 to 9 kt becoming SW in the afternoon. Mostly sunny. Seas 4 to 5 ft.

      WNW 9kt
      4-5ft


Associated Zone Forecast which includes this point

Last Update: 3:09 am EDT Mar 14, 2026
Forecast Valid: 9am EDT Mar 14, 2026-6pm EDT Mar 20, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

Today
W wind 22 to 25 kt, with gusts as high as 37 kt. Sunny. Seas 4 to 5 ft.
Tonight
WNW wind 10 to 13 kt becoming NNW 5 to 8 kt after midnight. Winds could gust as high as 20 kt. 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 11 to 14 kt increasing to 15 to 18 kt after midnight. Winds could gust as high as 26 kt. Rain, mainly after 2am. Seas 2 ft building to 4 ft.
Monday
S wind 22 to 26 kt, with gusts as high as 40 kt. Rain, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. Seas 7 ft building to 10 ft.
Monday Night
S wind 31 to 34 kt becoming SW 26 to 29 kt after midnight. Winds could gust as high as 48 kt. Rain before 5am, then a chance of rain and snow. The rain could be heavy at times. Seas 10 to 11 ft.
Tuesday
W wind 19 to 21 kt, with gusts as high as 28 kt. A chance of rain and snow before 8am. Seas 10 ft subsiding to 8 ft.
Tuesday Night
WNW wind 16 to 19 kt decreasing to 13 to 16 kt after midnight. Winds could gust as high as 26 kt. Partly cloudy. Seas 6 to 7 ft.
Wednesday
WNW wind 6 to 9 kt becoming SW in the afternoon. Mostly sunny. Seas 4 to 5 ft.

Winds and seas may be higher in and near tstms.

*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: 40.59°N 73.51°W
Last Update: 3:09 am EDT Mar 14, 2026
Forecast Valid: 9am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
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