Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes
A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. 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: 213 PM PDT Mon Mar 30 2026 | |
| Tonight: NE wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: NW 4 ft at 8 seconds and W 4 ft at 14 seconds. Tue: NE wind 5 to 10 kt, veering to S in the afternoon. Seas 3 to 4 ft. Wave detail: NE 3 ft at 6 seconds and W 2 ft at 13 seconds. Tue Night: S wind 5 to 10 kt, rising to 20 to 25 kt after midnight. Seas around 3 ft, building to 4 to 6 ft after midnight. Wave detail: S 6 ft at 6 seconds, NW 2 ft at 7 seconds and W 3 ft at 13 seconds. Rain. Wed: SE wind 25 to 30 kt, veering to SW 20 to 25 kt in the afternoon. Seas 8 to 11 ft, building to 10 to 12 ft in the afternoon. Wave detail: S 10 ft at 8 seconds and W 7 ft at 11 seconds. Rain. Wed Night: W wind 10 to 15 kt, veering to NW after midnight. Seas 8 to 9 ft. Wave detail: S 6 ft at 9 seconds and W 9 ft at 12 seconds. Rain likely, mainly in the evening. Thu: NW wind around 10 kt. Seas 9 to 10 ft. Wave detail: S 3 ft at 8 seconds and W 9 ft at 12 seconds. Thu Night: W wind around 10 kt. Seas 6 to 8 ft. Wave detail: W 8 ft at 11 seconds. Fri: S wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: W 6 ft at 10 seconds. A chance of rain in the morning. Fri Night: W wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: W 5 ft at 9 seconds. Sat: NW wind 5 to 10 kt. Seas around 5 ft. Wave detail: W 5 ft at 9 seconds. Sat Night: NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave detail: W 6 ft at 10 seconds. | |
| Zone Forecast: Coastal Waters From Cape Flattery To James Island 10 To 60 Nm (PZZ170) | |
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