
Significant Severe Weather in the Upper Midwest; Blizzard Conditions in the Cascades; Heavy Rain and Thunderstorms in Hawaii
Significant severe thunderstorms, including the risk for strong to intense tornadoes, are expected across the Upper Midwest this afternoon and evening. An atmospheric river will bring blizzard conditions to the northern Cascades. A powerful Kona storm is expected to impact Hawaii today into Saturday, bringing heavy rainfall and strong winds. Read More >
| NWS Forecast for: Coastal Waters From Cape Flattery To James Island Out 10 Nm (PZZ150) Issued by: National Weather Service Seattle, WA Last Update: 225 AM PDT Tue Mar 10 2026 | |
Today: SW wind 20 to 25 kt. Seas 10 to 12 ft. Wave detail: W 11 ft at 13 seconds. A slight chance of tstms. Showers until late afternoon, then rain late. Tonight: SW wind 15 to 20 kt. Seas 8 to 11 ft. Wave detail: W 11 ft at 12 seconds. Showers in the evening, then rain after midnight. Wed: S wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 7 to 9 ft. Wave detail: S 9 ft at 9 seconds and W 9 ft at 11 seconds. Rain. Wed Night: SW wind 30 to 35 kt, veering to W 25 to 30 kt after midnight. Gusts up to 50 kt. Seas 11 to 15 ft, building to 13 to 16 ft after midnight. Wave detail: SW 9 ft at 9 seconds and W 15 ft at 10 seconds. Rain. Thu: W wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 9 to 12 ft, subsiding to 8 to 10 ft in the afternoon. Wave detail: SW 8 ft at 9 seconds and W 7 ft at 10 seconds. Showers in the morning, then rain in the afternoon. Thu Night: W wind 10 to 15 kt. Seas 6 to 8 ft. Wave detail: SW 6 ft at 9 seconds and W 5 ft at 10 seconds. Rain. Fri: NW wind 5 to 10 kt. Seas 6 to 7 ft. Wave detail: SW 6 ft at 9 seconds and W 5 ft at 10 seconds. Rain. Fri Night: NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave detail: SW 5 ft at 9 seconds and NW 7 ft at 10 seconds. Rain likely. Sat: NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 6 to 8 ft. Wave detail: NW 7 ft at 8 seconds and SW 4 ft at 9 seconds. A chance of rain in the morning, then a chance of showers in the afternoon. Sat Night: NW wind 10 to 15 kt, becoming E 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and SW 3 ft at 9 seconds. A chance of showers after midnight. winds and seas higher in and near tstms. | |
| Zone Forecast: Coastal Waters From Cape Flattery To James Island Out 10 Nm (PZZ150) | |
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