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Hazardous Weather Conditions

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New York, NY Local Forecast Office

16NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • This Afternoon

      This Afternoon:E wind around 21 kt, with gusts as high as 27 kt. Rain. Seas around 5 ft.

      E 21kt
      5ft

    • Tonight

      Tonight:E wind 22 to 25 kt becoming NE 16 to 19 kt after midnight. Winds could gust as high as 32 kt. Rain and possibly a thunderstorm before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then rain likely and possibly a thunderstorm after 2am. Seas 5 ft building to 7 ft.

      E 25kt⇓
      Waves Building7ft

    • Columbus Day

      Columbus Day:NNE wind 11 to 14 kt becoming NNW 8 to 11 kt in the afternoon. Rain likely before 8am. Seas 6 to 7 ft.

      NNE 14kt⇓
      6-7ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Mostly clear. Seas 4 to 5 ft.

      Light Wind
      4-5ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Mostly sunny. Seas 2 to 3 ft.

      ⇑S 10kt
      2-3ft

    • Tuesday Night

      Tuesday Night:SW wind 13 to 15 kt, with gusts as high as 21 kt. Partly cloudy. Seas 2 to 3 ft.

      SW 15kt
      2-3ft

    • Wednesday

      Wednesday:WSW wind around 11 kt. Sunny. Seas around 3 ft.

      WSW 11kt
      3ft

    • Wednesday Night

      Wednesday Night:WNW wind around 9 kt becoming NNW after midnight. Mostly cloudy. Seas 1 ft or less.

      WNW 9kt
      < 1ft

    • Thursday

      Thursday:N wind 9 to 12 kt. Mostly sunny. Seas 1 ft or less.

      N 12kt
      < 1ft


Associated Zone Forecast which includes this point

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

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Detailed Forecast

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

This Afternoon
E wind around 21 kt, with gusts as high as 27 kt. Rain. Seas around 5 ft.
Tonight
E wind 22 to 25 kt becoming NE 16 to 19 kt after midnight. Winds could gust as high as 32 kt. Rain and possibly a thunderstorm before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then rain likely and possibly a thunderstorm after 2am. Seas 5 ft building to 7 ft.
Columbus Day
NNE wind 11 to 14 kt becoming NNW 8 to 11 kt in the afternoon. Rain likely before 8am. Seas 6 to 7 ft.
Monday Night
Variable winds 5 kt or less. Mostly clear. Seas 4 to 5 ft.
Tuesday
Variable winds less than 5 kt becoming S 5 to 10 kt in the morning. Mostly sunny. Seas 2 to 3 ft.
Tuesday Night
SW wind 13 to 15 kt, with gusts as high as 21 kt. Partly cloudy. Seas 2 to 3 ft.
Wednesday
WSW wind around 11 kt. Sunny. Seas around 3 ft.
Wednesday Night
WNW wind around 9 kt becoming NNW after midnight. Mostly cloudy. Seas 1 ft or less.
Thursday
N wind 9 to 12 kt. Mostly sunny. Seas 1 ft or less.

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: 40.59°N 73.51°W
Last Update: 3:33 pm EDT Oct 11, 2026
Forecast Valid: 3pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026
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