Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

For More Weather Information:

Charleston, SC Local Forecast Office

4NM SSE Hilton Head Island SC

Marine Point Forecast

[NOTICE]
    • Tonight

      Tonight:SW wind around 13 kt. Mostly cloudy. Seas around 2 ft.

      SW 13kt
      2ft

    • Thursday

      Thursday:SW wind 12 to 14 kt becoming S in the afternoon. Winds could gust as high as 21 kt. A chance of showers and thunderstorms after 2pm.   Seas around 2 ft.

      S 14kt
      2ft

    • Thursday Night

      Thursday Night:SW wind 12 to 15 kt increasing to 16 to 19 kt after midnight. A chance of showers and thunderstorms, mainly after 2am.   Seas 2 to 3 ft.

      ⇑SW 19kt
      2-3ft

      Small Craft Advisory
      Small Craft Advisory

    • Juneteenth

      Juneteenth:WSW wind 19 to 22 kt decreasing to 16 to 19 kt in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am.   Seas 3 to 4 ft.

      WSW 22kt⇓
      3-4ft

      Small Craft Advisory
      Small Craft Advisory

    • Friday Night

      Friday Night:WSW wind around 11 kt. A chance of showers and thunderstorms before 2am.   Seas around 2 ft.

      WSW 11kt
      2ft

    • Saturday

      Saturday:WNW wind 6 to 8 kt becoming ESE in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 11am.   Seas 1 to 2 ft.

      WNW 8kt
      1-2ft

    • Saturday Night

      Saturday Night:Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm.   Seas around 1 ft.

      Light Wind
      1ft

    • Sunday

      Sunday:Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.

      ⇑S 9kt
      1-2ft

    • Sunday Night

      Sunday Night:S wind around 10 kt becoming SW after midnight. Partly cloudy. Seas around 2 ft.

      SSW 10kt
      2ft


Associated Zone Forecast which includes this point

Last Update: 8:30 pm EDT Jun 17, 2026
Forecast Valid: 9pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY EVENING THROUGH

Tonight
SW wind around 13 kt. Mostly cloudy. Seas around 2 ft.
Thursday
SW wind 12 to 14 kt becoming S in the afternoon. Winds could gust as high as 21 kt. A chance of showers and thunderstorms after 2pm. Seas around 2 ft.
Thursday Night
SW wind 12 to 15 kt increasing to 16 to 19 kt after midnight. A chance of showers and thunderstorms, mainly after 2am. Seas 2 to 3 ft.
Juneteenth
WSW wind 19 to 22 kt decreasing to 16 to 19 kt in the afternoon. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Seas 3 to 4 ft.
Friday Night
WSW wind around 11 kt. A chance of showers and thunderstorms before 2am. Seas around 2 ft.
Saturday
WNW wind 6 to 8 kt becoming ESE in the afternoon. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Seas 1 to 2 ft.
Saturday Night
Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Seas around 1 ft.
Sunday
Variable winds less than 5 kt becoming S 5 to 9 kt in the afternoon. Mostly sunny. Seas 1 to 2 ft.
Sunday Night
S wind around 10 kt becoming SW after midnight. 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: 32.13°N 80.71°W
Last Update: 8:30 pm EDT Jun 17, 2026
Forecast Valid: 9pm EDT Jun 17, 2026-6pm EDT Jun 24, 2026
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