
Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast
An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >
| NWS Forecast for: Waters From James Island To Point Grenville 10 To 60 Nm (PZZ173) Issued by: National Weather Service Seattle, WA Last Update: 145 PM PDT Thu Aug 13 2026 | |
| Tonight: NW wind 10 to 15 kt, easing to 5 to 10 kt late. Seas 5 to 7 ft. Wave detail: N 6 ft at 6 seconds and SW 2 ft at 16 seconds. Fri: SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: NW 4 ft at 7 seconds and SW 2 ft at 15 seconds. Fri Night: SW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 7 seconds, W 3 ft at 10 seconds and SW 2 ft at 16 seconds. Sat: Light and variable winds, becoming S around 5 kt in the afternoon. Seas 3 to 4 ft. Wave detail: NW 2 ft at 7 seconds, W 3 ft at 10 seconds and SW 2 ft at 16 seconds. Sat Night: NW wind around 5 kt. Seas 3 to 5 ft. Wave detail: N 3 ft at 6 seconds, W 3 ft at 10 seconds and SW 2 ft at 17 seconds. Sun: NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: N 3 ft at 5 seconds, W 3 ft at 9 seconds and SW 2 ft at 17 seconds. Sun Night: NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: N 4 ft at 5 seconds, W 3 ft at 9 seconds and SW 3 ft at 15 seconds. Mon: NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 6 ft. Wave detail: NW 5 ft at 7 seconds and SW 3 ft at 15 seconds. Mon Night: NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: N 6 ft at 6 seconds, W 2 ft at 13 seconds and SW 2 ft at 15 seconds. Tue: NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 6 ft at 7 seconds, W 3 ft at 14 seconds and SW 2 ft at 15 seconds. Tue Night: NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 6 to 7 ft. Wave detail: N 5 ft at 6 seconds, W 4 ft at 13 seconds and SW 2 ft at 14 seconds. | |
| Zone Forecast: Waters From James Island To Point Grenville 10 To 60 Nm (PZZ173) | |
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