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New York, NY Local Forecast Office

15NM WSW Islip NY

Marine Point Forecast

[NOTICE]
    • Tuesday

      Tuesday:WSW wind 5 to 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms after 2pm.  Patchy fog before 8am.  Seas 1 ft or less.

      SSW 10kt
      < 1ft

    • Tuesday Night

      Tuesday Night:S wind 5 to 8 kt becoming WSW in the evening. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.   Seas 1 ft or less.

      S 8kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind around 6 kt becoming S in the morning. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am.   Seas 1 ft or less.

      S 6kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SSE wind around 6 kt. A chance of showers and thunderstorms.   Seas 1 ft or less.

      SSE 6kt
      < 1ft

    • Thursday

      Thursday:Variable winds less than 5 kt becoming E 5 to 8 kt in the morning. A chance of showers and thunderstorms.   Seas 1 ft or less.

      ⇑E 8kt
      < 1ft

    • Thursday Night

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

      E 7kt
      < 1ft

    • Friday

      Friday:ENE wind 6 to 8 kt. A chance of showers before 2pm.   Seas 1 ft or less.

      ENE 8kt
      < 1ft

    • Friday Night

      Friday Night:ENE wind 5 to 7 kt. Mostly cloudy. Seas 1 ft or less.

      ENE 7kt
      < 1ft

    • Saturday

      Saturday:ENE wind 7 to 10 kt becoming SE in the afternoon. Mostly cloudy. Seas 1 ft or less.

      ESE 10kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 1:54 am EDT Jul 8, 2025
Forecast Valid: 2am EDT Jul 8, 2025-6pm EDT Jul 14, 2025

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Detailed Forecast


Tuesday
WSW wind 5 to 10 kt becoming SSW in the afternoon. A chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Seas 1 ft or less.
Tuesday Night
S wind 5 to 8 kt becoming WSW in the evening. A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Seas 1 ft or less.
Wednesday
WSW wind around 6 kt becoming S in the morning. A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Seas 1 ft or less.
Wednesday Night
SSE wind around 6 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday
Variable winds less than 5 kt becoming E 5 to 8 kt in the morning. A chance of showers and thunderstorms. Seas 1 ft or less.
Thursday Night
E wind 5 to 7 kt. A chance of showers. Seas 1 ft or less.
Friday
ENE wind 6 to 8 kt. A chance of showers before 2pm. Seas 1 ft or less.
Friday Night
ENE wind 5 to 7 kt. Mostly cloudy. Seas 1 ft or less.
Saturday
ENE wind 7 to 10 kt becoming SE in the afternoon. Mostly cloudy. 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: 40.61°N 73.51°W
Last Update: 1:54 am EDT Jul 8, 2025
Forecast Valid: 2am EDT Jul 8, 2025-6pm EDT Jul 14, 2025
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