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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 14 kt, with gusts as high as 23 kt. A slight chance of flurries. Seas around 2 ft.

      W 14kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:WNW wind around 14 kt, with gusts as high as 21 kt. Partly cloudy. Seas around 2 ft.

      WNW 14kt
      2ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday

      Saturday:WNW wind 8 to 12 kt. Increasing clouds. Seas 1 to 2 ft.

      WNW 12kt
      1-2ft

    • Saturday Night

      Saturday Night:WNW wind around 7 kt. A slight chance of snow showers between 10pm and 1am. Seas around 1 ft.

      WNW 7kt
      1ft

    • Sunday

      Sunday:NW wind 8 to 11 kt increasing to 14 to 17 kt in the afternoon. Winds could gust as high as 23 kt. Cloudy, then gradually becoming mostly sunny. Seas around 1 ft.

      ⇑NW 17kt
      1ft

    • Sunday Night

      Sunday Night:NW wind 12 to 17 kt, with gusts as high as 23 kt. Partly cloudy. Seas 1 to 2 ft.

      NW 17kt
      1-2ft

    • Monday

      Monday:NNW wind 5 to 9 kt becoming SW in the afternoon. Increasing clouds. Seas around 1 ft.

      NNW 9kt
      1ft

    • Monday Night

      Monday Night:SSW wind 7 to 9 kt. Cloudy. Seas 1 to 2 ft.

      SSW 9kt
      1-2ft

    • Tuesday

      Tuesday:SW wind 5 to 8 kt. Mostly cloudy. Seas 1 to 2 ft.

      SW 8kt
      1-2ft


Associated Zone Forecast which includes this point

Last Update: 1:29 pm EST Jan 2, 2026
Forecast Valid: 2pm EST Jan 2, 2026-6pm EST Jan 8, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...

This Afternoon
W wind around 14 kt, with gusts as high as 23 kt. A slight chance of flurries. Seas around 2 ft.
Tonight
WNW wind around 14 kt, with gusts as high as 21 kt. Partly cloudy. Seas around 2 ft.
Saturday
WNW wind 8 to 12 kt. Increasing clouds. Seas 1 to 2 ft.
Saturday Night
WNW wind around 7 kt. A slight chance of snow showers between 10pm and 1am. Seas around 1 ft.
Sunday
NW wind 8 to 11 kt increasing to 14 to 17 kt in the afternoon. Winds could gust as high as 23 kt. Cloudy, then gradually becoming mostly sunny. Seas around 1 ft.
Sunday Night
NW wind 12 to 17 kt, with gusts as high as 23 kt. Partly cloudy. Seas 1 to 2 ft.
Monday
NNW wind 5 to 9 kt becoming SW in the afternoon. Increasing clouds. Seas around 1 ft.
Monday Night
SSW wind 7 to 9 kt. Cloudy. Seas 1 to 2 ft.
Tuesday
SW wind 5 to 8 kt. Mostly cloudy. Seas 1 to 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: 1:29 pm EST Jan 2, 2026
Forecast Valid: 2pm EST Jan 2, 2026-6pm EST Jan 8, 2026
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