Hazardous Weather Conditions

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New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Tonight

      Tonight:Variable winds less than 5 kt becoming NNE 5 to 7 kt in the evening. Partly cloudy. Seas 1 ft or less.

      ⇑NNE 7kt
      < 1ft

    • Saturday

      Saturday:NE wind 6 to 8 kt becoming N in the afternoon. Mostly sunny. Seas 1 ft or less.

      NE 8kt
      < 1ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

      Light Wind
      < 1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 8 to 13 kt in the morning. A chance of showers and thunderstorms after 2pm.   Seas 1 ft or less.

      ⇑S 13kt
      < 1ft

    • Sunday Night

      Sunday Night:S wind around 16 kt, with gusts as high as 23 kt. Showers, mainly after 8pm.   Seas 1 ft or less.

      S 16kt
      < 1ft

    • Monday

      Monday:WSW wind 6 to 10 kt becoming WNW in the afternoon. A chance of showers before 2pm.   Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Monday Night

      Monday Night:NNW wind around 7 kt. Mostly clear. Seas 1 ft or less.

      NNW 7kt
      < 1ft

    • Tuesday

      Tuesday:N wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

      N 7kt⇓
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 3:11 am EDT Aug 14, 2026
Forecast Valid: 10am EDT Aug 14, 2026-6pm EDT Aug 20, 2026

View Nearby Observations

Detailed Forecast


Today
Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.
Tonight
Variable winds less than 5 kt becoming NNE 5 to 7 kt in the evening. Partly cloudy. Seas 1 ft or less.
Saturday
NE wind 6 to 8 kt becoming N in the afternoon. Mostly sunny. Seas 1 ft or less.
Saturday Night
Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.
Sunday
Variable winds less than 5 kt becoming S 8 to 13 kt in the morning. A chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Sunday Night
S wind around 16 kt, with gusts as high as 23 kt. Showers, mainly after 8pm. Seas 1 ft or less.
Monday
WSW wind 6 to 10 kt becoming WNW in the afternoon. A chance of showers before 2pm. Seas 1 ft or less.
Monday Night
NNW wind around 7 kt. Mostly clear. Seas 1 ft or less.
Tuesday
N wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. 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: 40.91°N 73.39°W
Last Update: 3:11 am EDT Aug 14, 2026
Forecast Valid: 10am EDT Aug 14, 2026-6pm EDT Aug 20, 2026
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