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Hazardous Weather Conditions

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New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]

    • Tonight

      Tonight:SW wind 8 to 11 kt decreasing to 5 to 8 kt after midnight. A slight chance of showers before 11pm. Seas around 3 ft.

      SW 11kt⇓
      3ft

    • Saturday

      Saturday:SSW wind 12 to 15 kt increasing to 16 to 19 kt in the afternoon. A chance of showers, then showers and possibly a thunderstorm after 2pm. Seas 3 to 4 ft.

      ⇑SSW 19kt
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Saturday Night

      Saturday Night:SSW wind 12 to 15 kt decreasing to 9 to 12 kt after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 11pm. Seas 3 to 4 ft.

      SSW 15kt⇓
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Sunday

      Sunday:S wind 6 to 11 kt. Partly sunny. Seas around 3 ft.

      S 11kt
      3ft

    • Sunday Night

      Sunday Night:S wind 5 to 8 kt becoming NNE after midnight. Showers, mainly after 2am. Seas around 3 ft.

      S 8kt
      3ft

    • Monday

      Monday:N wind around 13 kt. Showers. Seas around 3 ft.

      N 13kt
      3ft

    • Monday Night

      Monday Night:NNW wind 7 to 10 kt increasing to 11 to 14 kt after midnight. Mostly cloudy. Seas 2 to 3 ft.

      ⇑NNW 14kt
      2-3ft

    • Tuesday

      Tuesday:NNW wind 10 to 14 kt becoming WNW in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      NNW 14kt
      2-3ft

    • Tuesday Night

      Tuesday Night:W wind 6 to 9 kt. Partly cloudy. Seas around 2 ft.

      W 9kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 2:19 pm EDT May 8, 2026
Forecast Valid: 6pm EDT May 8, 2026-6pm EDT May 15, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH

Tonight
SW wind 8 to 11 kt decreasing to 5 to 8 kt after midnight. A slight chance of showers before 11pm. Seas around 3 ft.
Saturday
SSW wind 12 to 15 kt increasing to 16 to 19 kt in the afternoon. A chance of showers, then showers and possibly a thunderstorm after 2pm. Seas 3 to 4 ft.
Saturday Night
SSW wind 12 to 15 kt decreasing to 9 to 12 kt after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 11pm. Seas 3 to 4 ft.
Sunday
S wind 6 to 11 kt. Partly sunny. Seas around 3 ft.
Sunday Night
S wind 5 to 8 kt becoming NNE after midnight. Showers, mainly after 2am. Seas around 3 ft.
Monday
N wind around 13 kt. Showers. Seas around 3 ft.
Monday Night
NNW wind 7 to 10 kt increasing to 11 to 14 kt after midnight. Mostly cloudy. Seas 2 to 3 ft.
Tuesday
NNW wind 10 to 14 kt becoming WNW in the afternoon. Mostly sunny. Seas 2 to 3 ft.
Tuesday Night
W wind 6 to 9 kt. Partly cloudy. Seas around 2 ft.

*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: 40.53°N 73.44°W
Last Update: 2:19 pm EDT May 8, 2026
Forecast Valid: 6pm EDT May 8, 2026-6pm EDT May 15, 2026
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