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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:S wind 16 to 18 kt, with gusts as high as 24 kt. A chance of rain after 5pm. Seas 3 to 4 ft.

      S 18kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:SSW wind 17 to 22 kt becoming WSW 12 to 17 kt after midnight. Winds could gust as high as 29 kt. Rain, mainly before 2am. Seas 6 ft subsiding to 4 ft.

      SSW 22kt⇓
      6ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:NNW wind 8 to 11 kt. Sunny. Seas 3 to 4 ft.

      NNW 11kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:N wind around 7 kt becoming SE after midnight. Increasing clouds. Seas 2 to 3 ft.

      N 7kt
      2-3ft

    • Sunday

      Sunday:S wind 9 to 14 kt. A slight chance of rain after 2pm. Seas 2 to 3 ft.

      S 14kt
      2-3ft

    • Sunday Night

      Sunday Night:S wind 13 to 15 kt becoming E after midnight. Rain likely, mainly after 2am. Seas around 3 ft.

      SE 15kt
      3ft

    • Monday

      Monday:N wind 14 to 17 kt. Rain likely, mainly before 8am. Seas around 3 ft.

      N 17kt
      3ft

    • Monday Night

      Monday Night:NNW wind around 15 kt. Partly cloudy. Seas 2 to 3 ft.

      NNW 15kt
      2-3ft

    • Tuesday

      Tuesday:NNW wind 9 to 13 kt becoming WSW in the afternoon. Mostly sunny. Seas around 2 ft.

      NNW 13kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 9:59 am EDT Mar 20, 2026
Forecast Valid: 2pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON

This Afternoon
S wind 16 to 18 kt, with gusts as high as 24 kt. A chance of rain after 5pm. Seas 3 to 4 ft.
Tonight
SSW wind 17 to 22 kt becoming WSW 12 to 17 kt after midnight. Winds could gust as high as 29 kt. Rain, mainly before 2am. Seas 6 ft subsiding to 4 ft.
Saturday
NNW wind 8 to 11 kt. Sunny. Seas 3 to 4 ft.
Saturday Night
N wind around 7 kt becoming SE after midnight. Increasing clouds. Seas 2 to 3 ft.
Sunday
S wind 9 to 14 kt. A slight chance of rain after 2pm. Seas 2 to 3 ft.
Sunday Night
S wind 13 to 15 kt becoming E after midnight. Rain likely, mainly after 2am. Seas around 3 ft.
Monday
N wind 14 to 17 kt. Rain likely, mainly before 8am. Seas around 3 ft.
Monday Night
NNW wind around 15 kt. Partly cloudy. Seas 2 to 3 ft.
Tuesday
NNW wind 9 to 13 kt becoming WSW in the afternoon. Mostly sunny. 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: 40.57°N 73.57°W
Last Update: 9:59 am EDT Mar 20, 2026
Forecast Valid: 2pm EDT Mar 20, 2026-6pm EDT Mar 26, 2026
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