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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]

    • Today

      Today:SW wind 11 to 16 kt. A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 11am. Seas 4 to 5 ft.

      SW 16kt
      4-5ft

    • Tonight

      Tonight:W wind around 9 kt becoming N after midnight. Partly cloudy. Seas around 4 ft.

      N 9kt
      4ft

    • Thursday

      Thursday:N wind 5 to 8 kt becoming variable and less than 5 kt. Sunny. Seas 3 to 4 ft.

      N 8kt⇓
      3-4ft

    • Thursday Night

      Thursday Night:Variable winds 5 kt or less. Mostly clear. Seas 2 to 3 ft.

      Light Wind
      2-3ft

    • Friday

      Friday:NE wind 5 to 8 kt becoming ESE in the afternoon. Sunny. Seas around 2 ft.

      ESE 8kt
      2ft

    • Friday Night

      Friday Night:ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.

      ESE 7kt⇓
      2ft

    • Saturday

      Saturday:NE wind 5 to 10 kt becoming ESE in the afternoon. Mostly sunny. Seas around 2 ft.

      ESE 10kt
      2ft

    • Saturday Night

      Saturday Night:ESE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas around 2 ft.

      ESE 7kt⇓
      2ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming SSE 5 to 9 kt in the morning. Mostly sunny. Seas around 2 ft.

      ⇑SSE 9kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 2:10 am EDT Jul 22, 2026
Forecast Valid: 7am EDT Jul 22, 2026-6pm EDT Jul 28, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

Today
SW wind 11 to 16 kt. A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 11am. Seas 4 to 5 ft.
Tonight
W wind around 9 kt becoming N after midnight. Partly cloudy. Seas around 4 ft.
Thursday
N wind 5 to 8 kt becoming variable and less than 5 kt. Sunny. Seas 3 to 4 ft.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas 2 to 3 ft.
Friday
NE wind 5 to 8 kt becoming ESE in the afternoon. Sunny. Seas around 2 ft.
Friday Night
ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. Mostly clear. Seas around 2 ft.
Saturday
NE wind 5 to 10 kt becoming ESE in the afternoon. Mostly sunny. Seas around 2 ft.
Saturday Night
ESE wind 5 to 7 kt becoming variable and less than 5 kt in the evening. Partly cloudy. Seas around 2 ft.
Sunday
Variable winds less than 5 kt becoming SSE 5 to 9 kt in the morning. Mostly sunny. Seas around 2 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: 40.59°N 73.51°W
Last Update: 2:10 am EDT Jul 22, 2026
Forecast Valid: 7am EDT Jul 22, 2026-6pm EDT Jul 28, 2026
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