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New York, NY Local Forecast Office

5NM SSE Islip NY

Marine Point Forecast

[NOTICE]
    • Today

      Today:Variable winds less than 5 kt becoming WSW 7 to 12 kt in the morning. Mostly cloudy. Seas around 1 ft.

      ⇑WSW 12kt
      1ft

    • Tonight

      Tonight:WSW wind 5 to 9 kt becoming NNW after midnight. Rain likely, mainly after 1am.   Seas around 1 ft.

      WSW 9kt
      1ft

    • Saturday

      Saturday:NNW wind 9 to 12 kt. A chance of rain before 1pm.   Seas around 1 ft.

      NNW 12kt
      1ft

    • Saturday Night

      Saturday Night:N wind 9 to 12 kt. Partly cloudy. Seas around 1 ft.

      N 12kt
      1ft

    • Sunday

      Sunday:NW wind 6 to 9 kt becoming W 9 to 12 kt in the afternoon. Mostly sunny. Seas around 1 ft.

      ⇑W 12kt
      1ft

    • Sunday Night

      Sunday Night:WNW wind around 13 kt. Partly cloudy. Seas 1 to 2 ft.

      WNW 13kt
      1-2ft

    • Monday

      Monday:WNW wind 11 to 13 kt. Sunny. Seas 1 ft or less.

      WNW 13kt
      < 1ft

    • Monday Night

      Monday Night:W wind around 7 kt becoming S after midnight. Mostly cloudy. Seas 1 ft or less.

      W 7kt
      < 1ft

    • Tuesday

      Tuesday:SSE wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. A chance of rain.   Seas 1 ft or less.

      ⇑SSE 13kt
      < 1ft


Associated Zone Forecast which includes this point

Last Update: 12:37 am EST Nov 21, 2025
Forecast Valid: 5am EST Nov 21, 2025-6pm EST Nov 27, 2025

View Nearby Observations

Detailed Forecast


Today
Variable winds less than 5 kt becoming WSW 7 to 12 kt in the morning. Mostly cloudy. Seas around 1 ft.
Tonight
WSW wind 5 to 9 kt becoming NNW after midnight. Rain likely, mainly after 1am. Seas around 1 ft.
Saturday
NNW wind 9 to 12 kt. A chance of rain before 1pm. Seas around 1 ft.
Saturday Night
N wind 9 to 12 kt. Partly cloudy. Seas around 1 ft.
Sunday
NW wind 6 to 9 kt becoming W 9 to 12 kt in the afternoon. Mostly sunny. Seas around 1 ft.
Sunday Night
WNW wind around 13 kt. Partly cloudy. Seas 1 to 2 ft.
Monday
WNW wind 11 to 13 kt. Sunny. Seas 1 ft or less.
Monday Night
W wind around 7 kt becoming S after midnight. Mostly cloudy. Seas 1 ft or less.
Tuesday
SSE wind 7 to 10 kt increasing to 10 to 13 kt in the afternoon. 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: 40.66°N 73.17°W
Last Update: 12:37 am EST Nov 21, 2025
Forecast Valid: 5am EST Nov 21, 2025-6pm EST Nov 27, 2025
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