Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday
Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. 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: 230 AM PDT Tue Jul 28 2026 |  |
| Today: SW wind 15 to 20 kt, easing to 10 to 15 kt late this morning and early afternoon, then becoming W 5 to 10 kt late. Seas 5 to 7 ft. Wave detail: SW 6 ft at 7 seconds, W 6 ft at 8 seconds and SW 3 ft at 17 seconds. Rain early this morning. Tonight: NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: W 5 ft at 8 seconds and SW 3 ft at 18 seconds. Wed: NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: W 5 ft at 9 seconds and SW 3 ft at 17 seconds. Wed Night: NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: N 3 ft at 4 seconds, W 4 ft at 8 seconds and SW 3 ft at 17 seconds. Thu: W wind around 5 kt, backing to SW in the afternoon. Seas 4 to 5 ft. Wave detail: N 3 ft at 5 seconds, W 3 ft at 8 seconds and SW 3 ft at 17 seconds. Thu Night: S wind around 5 kt. Seas 4 to 5 ft. Wave detail: NW 3 ft at 6 seconds, W 4 ft at 9 seconds and S 3 ft at 16 seconds. Fri: S wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: NW 2 ft at 5 seconds, W 4 ft at 8 seconds and SW 3 ft at 15 seconds. Fri Night: W wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: W 4 ft at 8 seconds and S 2 ft at 15 seconds. A chance of rain after midnight. Sat: W wind around 10 kt. Seas 4 to 5 ft. Wave detail: N 2 ft at 4 seconds, W 4 ft at 7 seconds and S 2 ft at 14 seconds. Sat Night: W wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: N 2 ft at 4 seconds, W 5 ft at 8 seconds and S 2 ft at 14 seconds. | |
| Zone Forecast: Waters From James Island To Point Grenville 10 To 60 Nm (PZZ173) | |
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