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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]

    • Today

      Today:WSW wind 6 to 9 kt becoming S 14 to 19 kt. Partly sunny. Seas 2 to 3 ft.

      ⇑S 19kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Tonight

      Tonight:S wind 19 to 22 kt becoming SW 15 to 18 kt after midnight. Winds could gust as high as 29 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Seas 4 to 5 ft.

      S 22kt⇓
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:NNW wind 10 to 15 kt becoming W in the afternoon. Sunny. Seas around 3 ft.

      NNW 15kt
      3ft

    • Monday Night

      Monday Night:NNW wind 9 to 11 kt. Mostly clear. Seas around 3 ft.

      NNW 11kt
      3ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 7 to 12 kt in the afternoon. Sunny. Seas around 2 ft.

      ⇑SSW 12kt
      2ft

    • Tuesday Night

      Tuesday Night:S wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Partly cloudy. Seas 2 to 3 ft.

      S 13kt⇓
      2-3ft

    • Wednesday

      Wednesday:SSE wind 6 to 11 kt. A chance of showers after 2pm. Seas around 2 ft.

      SSE 11kt
      2ft

    • Wednesday Night

      Wednesday Night:S wind 8 to 10 kt. A chance of showers. Seas around 2 ft.

      S 10kt
      2ft

    • Thursday

      Thursday:S wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 31 kt. A chance of showers. Seas 3 ft building to 6 ft.

      ⇑S 25kt
      Waves Building6ft


Associated Zone Forecast which includes this point

Last Update: 2:46 am EDT Jun 14, 2026
Forecast Valid: 6am EDT Jun 14, 2026-6pm EDT Jun 20, 2026

View Nearby Observations

Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH

Today
WSW wind 6 to 9 kt becoming S 14 to 19 kt. Partly sunny. Seas 2 to 3 ft.
Tonight
S wind 19 to 22 kt becoming SW 15 to 18 kt after midnight. Winds could gust as high as 29 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Seas 4 to 5 ft.
Monday
NNW wind 10 to 15 kt becoming W in the afternoon. Sunny. Seas around 3 ft.
Monday Night
NNW wind 9 to 11 kt. Mostly clear. Seas around 3 ft.
Tuesday
Variable winds less than 5 kt becoming SSW 7 to 12 kt in the afternoon. Sunny. Seas around 2 ft.
Tuesday Night
S wind 10 to 13 kt decreasing to 7 to 10 kt after midnight. Partly cloudy. Seas 2 to 3 ft.
Wednesday
SSE wind 6 to 11 kt. A chance of showers after 2pm. Seas around 2 ft.
Wednesday Night
S wind 8 to 10 kt. A chance of showers. Seas around 2 ft.
Thursday
S wind 15 to 20 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 31 kt. A chance of showers. Seas 3 ft building to 6 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: 2:46 am EDT Jun 14, 2026
Forecast Valid: 6am EDT Jun 14, 2026-6pm EDT Jun 20, 2026
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