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Hazardous Weather Conditions

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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:NE wind 23 to 28 kt decreasing to 11 to 16 kt. Winds could gust as high as 36 kt. Snow and sleet before 2am, then a chance of snow after 3am. The sleet could be heavy at times. Widespread freezing spray before 10pm. Seas 1 to 2 ft.

      NE 28kt⇓
      1-2ft

    • Monday

      Monday:NNE wind 7 to 10 kt becoming WNW 12 to 17 kt in the afternoon. Winds could gust as high as 23 kt. Mostly cloudy. Seas 1 ft or less.

      ⇑WNW 17kt
      < 1ft

    • Monday Night

      Monday Night:WNW wind 15 to 19 kt, with gusts as high as 25 kt. Widespread freezing spray, mainly after 1am. Mostly clear. Seas 2 to 3 ft.

      WNW 19kt
      2-3ft

    • Tuesday

      Tuesday:WSW wind 12 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 2 ft.

      WSW 16kt
      2ft

    • Tuesday Night

      Tuesday Night:W wind 12 to 15 kt, with gusts as high as 21 kt. Mostly clear. Seas 1 to 2 ft.

      W 15kt
      1-2ft

    • Wednesday

      Wednesday:W wind 8 to 12 kt. Mostly sunny. Seas 1 ft or less.

      W 12kt
      < 1ft

    • Wednesday Night

      Wednesday Night:W wind around 8 kt becoming WNW after midnight. Mostly cloudy. Seas 1 ft or less.

      W 8kt
      < 1ft

    • Thursday

      Thursday:NW wind 9 to 13 kt. Partly sunny. Seas 1 ft or less.

      NW 13kt
      < 1ft

    • Thursday Night

      Thursday Night:WNW wind around 15 kt, with gusts as high as 21 kt. Mostly clear. Seas around 1 ft.

      WNW 15kt
      1ft


Associated Zone Forecast which includes this point

Last Update: 3:12 pm EST Jan 25, 2026
Forecast Valid: 6pm EST Jan 25, 2026-6pm EST Feb 1, 2026

View Nearby Observations

Detailed Forecast

...GALE WARNING IN EFFECT UNTIL 1 AM EST MONDAY...

Tonight
NE wind 23 to 28 kt decreasing to 11 to 16 kt. Winds could gust as high as 36 kt. Snow and sleet before 2am, then a chance of snow after 3am. The sleet could be heavy at times. Widespread freezing spray before 10pm. Seas 1 to 2 ft.
Monday
NNE wind 7 to 10 kt becoming WNW 12 to 17 kt in the afternoon. Winds could gust as high as 23 kt. Mostly cloudy. Seas 1 ft or less.
Monday Night
WNW wind 15 to 19 kt, with gusts as high as 25 kt. Widespread freezing spray, mainly after 1am. Mostly clear. Seas 2 to 3 ft.
Tuesday
WSW wind 12 to 16 kt, with gusts as high as 22 kt. Mostly sunny. Seas around 2 ft.
Tuesday Night
W wind 12 to 15 kt, with gusts as high as 21 kt. Mostly clear. Seas 1 to 2 ft.
Wednesday
W wind 8 to 12 kt. Mostly sunny. Seas 1 ft or less.
Wednesday Night
W wind around 8 kt becoming WNW after midnight. Mostly cloudy. Seas 1 ft or less.
Thursday
NW wind 9 to 13 kt. Partly sunny. Seas 1 ft or less.
Thursday Night
WNW wind around 15 kt, with gusts as high as 21 kt. Mostly clear. Seas around 1 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: 40.91°N 73.39°W
Last Update: 3:12 pm EST Jan 25, 2026
Forecast Valid: 6pm EST Jan 25, 2026-6pm EST Feb 1, 2026
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