Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

For More Weather Information:

Charleston, SC Local Forecast Office

Bulls Bay MR

Marine Point Forecast

[NOTICE]

This Afternoon
SW 13kt
2ft
Tonight
SW 13kt
2ft
Thursday
⇑WSW 18kt
2ft
Thursday Night
SW 17kt
3ft
Juneteenth
WSW 19kt
3ft
Friday Night
SW 12kt
2-3ft
Saturday
NW 7kt⇓
1-2ft
Saturday Night
Light Wind
1ft
Sunday
⇑S 10kt
1ft

Associated Zone Forecast which includes this point

Last Update: 7:22 am EDT Jun 17, 2026
Forecast Valid: 12pm EDT Jun 17, 2026-6pm EDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

SW wind 10 to 13 kt. Showers and thunderstorms likely before 2pm, then a chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Seas around 2 ft.

Tonight

SW wind 11 to 13 kt, with gusts as high as 21 kt. A slight chance of showers and thunderstorms before 7pm. Seas around 2 ft.

Thursday

WSW wind 12 to 15 kt increasing to 15 to 18 kt in the afternoon. Winds could gust as high as 24 kt. A slight chance of showers and thunderstorms after 2pm. Seas around 2 ft.

Thursday Night

SW wind around 17 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Seas around 3 ft.

Juneteenth

WSW wind 15 to 19 kt, with gusts as high as 27 kt. Showers likely, then showers and possibly a thunderstorm after 8am. Seas around 3 ft.

Friday Night

SW wind 8 to 12 kt becoming W after midnight. Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Seas 2 to 3 ft.

Saturday

NW wind 5 to 7 kt becoming variable and less than 5 kt in the afternoon. Partly sunny. Seas 1 to 2 ft.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Sunday

Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Mostly sunny. Seas around 1 ft.

Winds and seas higher in and near tstms.

*Notices:

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.
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.