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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]

    • Thursday

      Thursday:ENE wind 15 to 19 kt, with gusts as high as 25 kt. Showers likely, mainly before 8am. Seas around 4 ft.

      ENE 19kt
      4ft

      Small Craft Advisory
      Small Craft Advisory

    • Thursday Night

      Thursday Night:E wind 13 to 16 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 22 kt. A chance of rain or drizzle, mainly after 2am. Patchy fog. Seas 4 to 5 ft.

      E 16kt⇓
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday

      Friday:E wind 5 to 7 kt. A chance of rain or drizzle, mainly before 8am. Areas of fog before 11am. Seas 2 to 3 ft.

      E 7kt
      2-3ft

    • Friday Night

      Friday Night:SSE wind 10 to 13 kt becoming SW after midnight. Mostly cloudy. Seas 3 to 4 ft.

      SSE 13kt
      3-4ft

    • Saturday

      Saturday:Variable winds less than 5 kt becoming ESE 6 to 11 kt in the afternoon. A chance of showers after 2pm. Seas around 3 ft.

      ⇑ESE 11kt
      3ft

    • Saturday Night

      Saturday Night:ESE wind 12 to 17 kt, with gusts as high as 23 kt. A chance of showers before 8pm, then a chance of showers after 2am. Seas 5 ft subsiding to 3 ft.

      ESE 17kt
      5ftWaves Subsiding

    • Sunday

      Sunday:SSW wind 16 to 19 kt, with gusts as high as 29 kt. Showers, mainly after 8am. Seas 6 to 7 ft.

      SSW 19kt
      6-7ft

    • Sunday Night

      Sunday Night:WSW wind around 15 kt becoming WNW after midnight. Mostly cloudy. Seas 4 to 5 ft.

      WSW 15kt
      4-5ft

    • Monday

      Monday:W wind 12 to 15 kt. Sunny. Seas around 3 ft.

      W 15kt
      3ft


Associated Zone Forecast which includes this point

Last Update: 2:20 am EDT Apr 2, 2026
Forecast Valid: 3am EDT Apr 2, 2026-6pm EDT Apr 8, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

Thursday
ENE wind 15 to 19 kt, with gusts as high as 25 kt. Showers likely, mainly before 8am. Seas around 4 ft.
Thursday Night
E wind 13 to 16 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 22 kt. A chance of rain or drizzle, mainly after 2am. Patchy fog. Seas 4 to 5 ft.
Friday
E wind 5 to 7 kt. A chance of rain or drizzle, mainly before 8am. Areas of fog before 11am. Seas 2 to 3 ft.
Friday Night
SSE wind 10 to 13 kt becoming SW after midnight. Mostly cloudy. Seas 3 to 4 ft.
Saturday
Variable winds less than 5 kt becoming ESE 6 to 11 kt in the afternoon. A chance of showers after 2pm. Seas around 3 ft.
Saturday Night
ESE wind 12 to 17 kt, with gusts as high as 23 kt. A chance of showers before 8pm, then a chance of showers after 2am. Seas 5 ft subsiding to 3 ft.
Sunday
SSW wind 16 to 19 kt, with gusts as high as 29 kt. Showers, mainly after 8am. Seas 6 to 7 ft.
Sunday Night
WSW wind around 15 kt becoming WNW after midnight. Mostly cloudy. Seas 4 to 5 ft.
Monday
W wind 12 to 15 kt. Sunny. Seas around 3 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: 40.57°N 73.57°W
Last Update: 2:20 am EDT Apr 2, 2026
Forecast Valid: 3am EDT Apr 2, 2026-6pm EDT Apr 8, 2026
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