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New York, NY Local Forecast Office

15NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • Overnight

      Overnight:SSW wind 8 to 12 kt. Patchy fog after 2am. Seas 1 ft or less.

      SSW 12kt
      < 1ft

    • Monday

      Monday:S wind 8 to 13 kt. A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Seas 1 ft or less.

      S 13kt
      < 1ft

    • Monday Night

      Monday Night:S wind 7 to 12 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

      S 12kt
      < 1ft

    • Tuesday

      Tuesday:WSW wind 6 to 9 kt becoming SSW in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

      SSW 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SW wind around 6 kt becoming W after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.

      SW 6kt
      < 1ft

    • Wednesday

      Wednesday:NNW wind around 6 kt becoming SSE in the afternoon. A chance of showers after 2pm. Seas 1 ft or less.

      SE 6kt
      < 1ft

    • Wednesday Night

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

      SE 6kt
      < 1ft

    • Thursday

      Thursday:SSE wind 6 to 9 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.

      SSE 9kt
      < 1ft

    • Thursday Night

      Thursday Night:SE wind 6 to 9 kt becoming E after midnight. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Seas 1 ft or less.

      SE 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 2:33 pm EDT Jul 6, 2025
Forecast Valid: 11pm EDT Jul 6, 2025-6pm EDT Jul 13, 2025

View Nearby Observations

Detailed Forecast


Overnight
SSW wind 8 to 12 kt. Patchy fog after 2am. Seas 1 ft or less.
Monday
S wind 8 to 13 kt. A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. Seas 1 ft or less.
Monday Night
S wind 7 to 12 kt. A chance of showers and thunderstorms. Seas 1 ft or less.
Tuesday
WSW wind 6 to 9 kt becoming SSW in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Seas 1 ft or less.
Tuesday Night
SW wind around 6 kt becoming W after midnight. A chance of showers and thunderstorms. Seas 1 ft or less.
Wednesday
NNW wind around 6 kt becoming SSE in the afternoon. A chance of showers after 2pm. Seas 1 ft or less.
Wednesday Night
SE wind around 6 kt. A chance of showers. Seas 1 ft or less.
Thursday
SSE wind 6 to 9 kt. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Seas 1 ft or less.
Thursday Night
SE wind 6 to 9 kt becoming E after midnight. Showers likely and possibly a thunderstorm before 2am, then a chance of showers. 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: 2:33 pm EDT Jul 6, 2025
Forecast Valid: 11pm EDT Jul 6, 2025-6pm EDT Jul 13, 2025
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