Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley
A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >
| NWS Forecast for: Coastal Waters From Cape Flattery To James Island 10 To 60 Nm (PZZ170) Issued by: National Weather Service Seattle, WA Last Update: 217 PM PDT Thu Jul 30 2026 |  |
| Tonight: S wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: W 5 ft at 9 seconds and SW 3 ft at 15 seconds. Fri: S wind 5 to 10 kt. Seas around 5 ft. Wave detail: SW 4 ft at 8 seconds and SW 3 ft at 15 seconds. Fri Night: S wind 5 to 10 kt, becoming SW 10 to 15 kt after midnight. Seas 4 to 5 ft. Wave detail: W 4 ft at 8 seconds and S 3 ft at 15 seconds. Rain likely after midnight. Sat: W wind 10 to 15 kt. Seas 4 to 5 ft. Wave detail: N 2 ft at 3 seconds, W 4 ft at 8 seconds and S 2 ft at 14 seconds. Rain likely, mainly in the morning. Sat Night: W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 4 to 5 ft. Wave detail: SW 4 ft at 7 seconds and S 2 ft at 14 seconds. Sun: NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 3 ft at 4 seconds, W 5 ft at 8 seconds and SW 2 ft at 14 seconds. Sun Night: NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds and SW 2 ft at 14 seconds. Mon: N wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 6 seconds and SW 2 ft at 13 seconds. Mon Night: NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: N 4 ft at 4 seconds and W 5 ft at 7 seconds. Tue: NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: N 3 ft at 4 seconds and NW 5 ft at 7 seconds. Tue Night: NW wind 15 to 20 kt. Seas around 2 ft or less. | |
| Zone Forecast: Coastal Waters From Cape Flattery To James Island 10 To 60 Nm (PZZ170) | |
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