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Hazardous Weather Conditions

For More Weather Information:

New York, NY Local Forecast Office

12NM NW Islip NY

Marine Point Forecast

[NOTICE]

    • Tuesday

      Tuesday:S wind 5 to 8 kt becoming N in the afternoon. Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Seas 1 ft or less.

      N 8kt
      < 1ft

    • Tuesday Night

      Tuesday Night:N wind 5 to 8 kt. A chance of showers before 11pm. Seas 1 ft or less.

      N 8kt
      < 1ft

    • Wednesday

      Wednesday:NNW wind around 6 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.

      NNW 6kt⇓
      < 1ft

    • Wednesday Night

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

      Light Wind
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Sunny. Seas 1 ft or less.

      ⇑SSE 6kt
      < 1ft

    • Thursday Night

      Thursday Night:S wind around 9 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.

      S 9kt
      < 1ft

    • Friday

      Friday:SSW wind around 7 kt. Showers likely and possibly a thunderstorm before 8am, then a chance of showers. Seas 1 ft or less.

      SSW 7kt
      < 1ft

    • Friday Night

      Friday Night:SSW wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers. Seas 1 ft or less.

      SSW 6kt⇓
      < 1ft

    • Saturday

      Saturday:Variable winds 5 kt or less. A chance of showers. Seas 1 ft or less.

      Light Wind
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:23 pm EDT Jun 22, 2026
Forecast Valid: 1am EDT Jun 23, 2026-6pm EDT Jun 29, 2026

View Nearby Observations

Detailed Forecast


Tuesday
S wind 5 to 8 kt becoming N in the afternoon. Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Seas 1 ft or less.
Tuesday Night
N wind 5 to 8 kt. A chance of showers before 11pm. Seas 1 ft or less.
Wednesday
NNW wind around 6 kt becoming variable and less than 5 kt in the afternoon. Sunny. Seas 1 ft or less.
Wednesday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming SSE around 6 kt in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
S wind around 9 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2am. Seas 1 ft or less.
Friday
SSW wind around 7 kt. Showers likely and possibly a thunderstorm before 8am, then a chance of showers. Seas 1 ft or less.
Friday Night
SSW wind around 6 kt becoming variable and less than 5 kt in the evening. A chance of showers. Seas 1 ft or less.
Saturday
Variable winds 5 kt or less. A chance of showers. 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: 8:23 pm EDT Jun 22, 2026
Forecast Valid: 1am EDT Jun 23, 2026-6pm EDT Jun 29, 2026
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