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New York, NY Local Forecast Office

15NM WSW Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:N wind 9 to 11 kt. A chance of rain, snow, and sleet before 10am, then snow likely between 10am and 1pm. Seas 1 ft or less.

      N 11kt
      < 1ft

    • Tonight

      Tonight:N wind 9 to 11 kt. Mostly clear. Seas 1 ft or less.

      N 11kt
      < 1ft

    • Monday

      Monday:N wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.

      N 9kt⇓
      < 1ft

    • Monday Night

      Monday Night:Variable winds less than 5 kt becoming SSE 5 to 7 kt in the evening. Mostly clear. Seas 1 ft or less.

      ⇑SSE 7kt
      < 1ft

    • Tuesday

      Tuesday:SSE wind 6 to 9 kt. A chance of snow and sleet before 10am, then a chance of rain and snow between 10am and 1pm, then rain after 1pm. Seas 1 ft or less.

      SSE 9kt
      < 1ft

    • Tuesday Night

      Tuesday Night:SSW wind around 10 kt becoming WSW after midnight. Rain. Seas 1 ft or less.

      WSW 10kt
      < 1ft

    • Wednesday

      Wednesday:WSW wind 6 to 8 kt becoming SSE in the afternoon. A chance of rain before 1pm. Seas 1 ft or less.

      WSW 8kt
      < 1ft

    • Wednesday Night

      Wednesday Night:SE wind around 6 kt becoming S after midnight. A chance of rain. Seas 1 ft or less.

      S 6kt
      < 1ft

    • Thursday

      Thursday:SSW wind around 9 kt. A chance of rain. Seas 1 ft or less.

      SSW 9kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 8:17 am EST Mar 1, 2026
Forecast Valid: 9am EST Mar 1, 2026-6pm EST Mar 7, 2026

View Nearby Observations

Detailed Forecast


Today
N wind 9 to 11 kt. A chance of rain, snow, and sleet before 10am, then snow likely between 10am and 1pm. Seas 1 ft or less.
Tonight
N wind 9 to 11 kt. Mostly clear. Seas 1 ft or less.
Monday
N wind 5 to 9 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Seas 1 ft or less.
Monday Night
Variable winds less than 5 kt becoming SSE 5 to 7 kt in the evening. Mostly clear. Seas 1 ft or less.
Tuesday
SSE wind 6 to 9 kt. A chance of snow and sleet before 10am, then a chance of rain and snow between 10am and 1pm, then rain after 1pm. Seas 1 ft or less.
Tuesday Night
SSW wind around 10 kt becoming WSW after midnight. Rain. Seas 1 ft or less.
Wednesday
WSW wind 6 to 8 kt becoming SSE in the afternoon. A chance of rain before 1pm. Seas 1 ft or less.
Wednesday Night
SE wind around 6 kt becoming S after midnight. A chance of rain. Seas 1 ft or less.
Thursday
SSW wind around 9 kt. A chance of rain. Seas 1 ft or less.

*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: 8:17 am EST Mar 1, 2026
Forecast Valid: 9am EST Mar 1, 2026-6pm EST Mar 7, 2026
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