Areas of Severe Thunderstorms and Excessive Rainfall Today

Scattered severe thunderstorms capable of damaging wind gusts and some hail are expected this afternoon and evening from the Upper Ohio River Valley into the Northeast, and from the Appalachians into the Mid-Atlantic States. Excessive rainfall from heavy thunderstorms may produce areas of flash flooding from southern New Mexico into the western and northern Gulf Coast into Wednesday. Read More >

For More Weather Information:

New York, NY Local Forecast Office

15NM SW Islip NY

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SSW wind 18 to 21 kt decreasing to 13 to 16 kt after midnight. Showers and thunderstorms before 2am, then showers likely.   Seas 4 to 5 ft.

      SSW 21kt⇓
      4-5ft

      Small Craft Advisory
      Small Craft Advisory

    • Monday

      Monday:NW wind 9 to 13 kt becoming WSW in the afternoon. A slight chance of showers before 8am.   Seas around 3 ft.

      NW 13kt
      3ft

    • Monday Night

      Monday Night:WNW wind 9 to 12 kt becoming NNW after midnight. Mostly clear. Seas around 3 ft.

      NW 12kt
      3ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming SSW 6 to 11 kt in the afternoon. Sunny. Seas around 2 ft.

      ⇑SSW 11kt
      2ft

    • Tuesday Night

      Tuesday Night:S wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. Partly cloudy. Seas 2 to 3 ft.

      S 12kt⇓
      2-3ft

    • Wednesday

      Wednesday:SSE wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. Partly sunny. Seas around 2 ft.

      ⇑SSE 11kt
      2ft

    • Wednesday Night

      Wednesday Night:S wind 8 to 10 kt. Mostly cloudy. Seas around 2 ft.

      S 10kt
      2ft

    • Thursday

      Thursday:S wind 13 to 18 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 32 kt. A chance of showers.   Seas 3 ft building to 6 ft.

      ⇑S 25kt
      Waves Building6ft

    • Thursday Night

      Thursday Night:SSW wind 22 to 27 kt becoming W 15 to 20 kt. Winds could gust as high as 33 kt. A chance of showers.   Seas 7 ft subsiding to 5 ft.

      SSW 27kt⇓
      7ftWaves Subsiding


Associated Zone Forecast which includes this point

Last Update: 2:22 pm EDT Jun 14, 2026
Forecast Valid: 10pm EDT Jun 14, 2026-6pm EDT Jun 21, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

Tonight
SSW wind 18 to 21 kt decreasing to 13 to 16 kt after midnight. Showers and thunderstorms before 2am, then showers likely. Seas 4 to 5 ft.
Monday
NW wind 9 to 13 kt becoming WSW in the afternoon. A slight chance of showers before 8am. Seas around 3 ft.
Monday Night
WNW wind 9 to 12 kt becoming NNW after midnight. Mostly clear. Seas around 3 ft.
Tuesday
Variable winds less than 5 kt becoming SSW 6 to 11 kt in the afternoon. Sunny. Seas around 2 ft.
Tuesday Night
S wind 9 to 12 kt decreasing to 6 to 9 kt after midnight. Partly cloudy. Seas 2 to 3 ft.
Wednesday
SSE wind 5 to 8 kt increasing to 8 to 11 kt in the afternoon. Partly sunny. Seas around 2 ft.
Wednesday Night
S wind 8 to 10 kt. Mostly cloudy. Seas around 2 ft.
Thursday
S wind 13 to 18 kt increasing to 20 to 25 kt in the afternoon. Winds could gust as high as 32 kt. A chance of showers. Seas 3 ft building to 6 ft.
Thursday Night
SSW wind 22 to 27 kt becoming W 15 to 20 kt. Winds could gust as high as 33 kt. A chance of showers. Seas 7 ft subsiding to 5 ft.

Winds and seas may be higher in and near tstms.

*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: 2:22 pm EDT Jun 14, 2026
Forecast Valid: 10pm EDT Jun 14, 2026-6pm EDT Jun 21, 2026
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