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Hazardous Weather Conditions

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New York, NY Local Forecast Office

10NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:NE wind 16 to 19 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 27 kt. Rain and possibly a thunderstorm before 11pm, then a chance of rain and thunderstorms after 11pm. Seas 1 to 2 ft.

      NE 19kt⇓
      1-2ft

    • Columbus Day

      Columbus Day:NNE wind 7 to 10 kt becoming NNW in the afternoon. Mostly cloudy through mid morning, then gradual clearing. Seas around 1 ft.

      NNE 10kt
      1ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      ⇑S 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind around 10 kt. Partly cloudy. Seas around 1 ft.

      SW 10kt
      1ft

    • Wednesday

      Wednesday:W wind around 9 kt. Mostly sunny. Seas around 1 ft.

      W 9kt
      1ft

    • Wednesday Night

      Wednesday Night:WNW wind around 7 kt becoming NNW after midnight. Mostly cloudy. Seas 1 ft or less.

      WNW 7kt
      < 1ft

    • Thursday

      Thursday:N wind 8 to 10 kt. Mostly sunny. Seas 1 ft or less.

      N 10kt
      < 1ft

    • Thursday Night

      Thursday Night:NNE wind 5 to 7 kt becoming E after midnight. A chance of showers. Seas 1 ft or less.

      E 7kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:33 pm EDT Oct 11, 2026
Forecast Valid: 9pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

Tonight
NE wind 16 to 19 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 27 kt. Rain and possibly a thunderstorm before 11pm, then a chance of rain and thunderstorms after 11pm. Seas 1 to 2 ft.
Columbus Day
NNE wind 7 to 10 kt becoming NNW in the afternoon. Mostly cloudy through mid morning, then gradual clearing. Seas around 1 ft.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
Variable winds less than 5 kt becoming S 5 to 8 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Tuesday Night
SW wind around 10 kt. Partly cloudy. Seas around 1 ft.
Wednesday
W wind around 9 kt. Mostly sunny. Seas around 1 ft.
Wednesday Night
WNW wind around 7 kt becoming NNW after midnight. Mostly cloudy. Seas 1 ft or less.
Thursday
N wind 8 to 10 kt. Mostly sunny. Seas 1 ft or less.
Thursday Night
NNE wind 5 to 7 kt becoming E after midnight. A chance of showers. Seas 1 ft or less.

Winds and waves 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: 40.66°N 73.41°W
Last Update: 3:33 pm EDT Oct 11, 2026
Forecast Valid: 9pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026
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