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Hazardous Weather Conditions

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New York, NY Local Forecast Office

14NM SSE Islip NY

Marine Point Forecast

[NOTICE]

    • Today

      Today:ESE wind 18 to 20 kt. Rain, mainly after 11am. Seas 4 to 5 ft.

      ESE 20kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:E wind 19 to 24 kt becoming NNW 14 to 19 kt after midnight. Rain and possibly a thunderstorm, mainly before 5am, then a chance of rain and thunderstorms after 5am. Seas 7 to 8 ft.

      E 24kt⇓
      7-8ft

      Small Craft Advisory
      Small Craft Advisory

    • Columbus Day

      Columbus Day:N wind 16 to 19 kt decreasing to 11 to 14 kt in the afternoon. A chance of rain and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm. Seas 8 ft subsiding to 6 ft.

      N 19kt⇓
      8ftWaves Subsiding

      Small Craft Advisory
      Small Craft Advisory

    • Monday Night

      Monday Night:NNW wind around 7 kt becoming N after midnight. Mostly clear. Seas 4 to 5 ft.

      NNW 7kt
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Tuesday

      Tuesday:E wind 6 to 11 kt becoming S in the afternoon. Mostly sunny. Seas 3 to 4 ft.

      S 11kt
      3-4ft

    • Tuesday Night

      Tuesday Night:SW wind 18 to 20 kt. Partly cloudy. Seas 3 ft building to 5 ft.

      SW 20kt
      Waves Building5ft

    • Wednesday

      Wednesday:W wind 12 to 16 kt. Sunny. Seas around 4 ft.

      W 16kt
      4ft

    • Wednesday Night

      Wednesday Night:N wind 14 to 16 kt. Partly cloudy. Seas around 3 ft.

      N 16kt
      3ft

    • Thursday

      Thursday:N wind 14 to 17 kt decreasing to 11 to 14 kt in the afternoon. Mostly sunny. Seas 2 to 3 ft.

      N 17kt⇓
      2-3ft


Associated Zone Forecast which includes this point

Last Update: 9:50 am EDT Oct 11, 2026
Forecast Valid: 10am EDT Oct 11, 2026-6pm EDT Oct 17, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING

Today
ESE wind 18 to 20 kt. Rain, mainly after 11am. Seas 4 to 5 ft.
Tonight
E wind 19 to 24 kt becoming NNW 14 to 19 kt after midnight. Rain and possibly a thunderstorm, mainly before 5am, then a chance of rain and thunderstorms after 5am. Seas 7 to 8 ft.
Columbus Day
N wind 16 to 19 kt decreasing to 11 to 14 kt in the afternoon. A chance of rain and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm. Seas 8 ft subsiding to 6 ft.
Monday Night
NNW wind around 7 kt becoming N after midnight. Mostly clear. Seas 4 to 5 ft.
Tuesday
E wind 6 to 11 kt becoming S in the afternoon. Mostly sunny. Seas 3 to 4 ft.
Tuesday Night
SW wind 18 to 20 kt. Partly cloudy. Seas 3 ft building to 5 ft.
Wednesday
W wind 12 to 16 kt. Sunny. Seas around 4 ft.
Wednesday Night
N wind 14 to 16 kt. Partly cloudy. Seas around 3 ft.
Thursday
N wind 14 to 17 kt decreasing to 11 to 14 kt in the afternoon. Mostly sunny. Seas 2 to 3 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: 40.5°N 73.15°W
Last Update: 9:50 am EDT Oct 11, 2026
Forecast Valid: 10am EDT Oct 11, 2026-6pm EDT Oct 17, 2026
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