Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Last Update: 214 PM PDT Sat Apr 18 2026

View Nearby Observations

For More Weather Information:

Seattle, WA Local Forecast Office

34NM WNW Buoy 41 WA

Marine Zone Forecast

Tonight

SE wind 10 to 15 kt, easing to 5 to 10 kt late. Seas 4 to 6 ft. Wave detail: S 5 ft at 9 seconds and S 2 ft at 15 seconds. A slight chance of rain this evening, then a chance of rain after midnight.

Sun

NE wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: SW 5 ft at 8 seconds, W 2 ft at 12 seconds and S 2 ft at 15 seconds.

Sun Night

NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: SW 5 ft at 9 seconds and W 5 ft at 13 seconds.

Mon

NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: N 2 ft at 4 seconds, SW 4 ft at 8 seconds and W 5 ft at 12 seconds.

Mon Night

SW wind 5 to 10 kt. Seas around 5 ft. Wave detail: SW 3 ft at 8 seconds and W 4 ft at 9 seconds.

Tue

SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: SW 3 ft at 8 seconds, NW 4 ft at 9 seconds and W 4 ft at 17 seconds. A chance of rain.

Tue Night

W wind 10 to 15 kt. Seas 6 to 7 ft, building to 7 to 10 ft after midnight. Wave detail: S 2 ft at 7 seconds, NW 7 ft at 9 seconds and W 10 ft at 14 seconds. A chance of rain.

Wed

NW wind 15 to 20 kt. Seas 9 to 13 ft, building to 11 to 15 ft in the afternoon. Wave detail: NW 2 ft at 5 seconds and NW 14 ft at 11 seconds.

Wed Night

NW wind 10 to 15 kt. Seas 10 to 14 ft. Wave detail: NW 13 ft at 12 seconds.

Thu

NE wind 5 to 10 kt, veering to SW in the afternoon. Seas 9 to 11 ft, subsiding to 7 to 9 ft in the afternoon. Wave detail: NW 10 ft at 11 seconds.

Thu Night

NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: NW 4 ft at 8 seconds and NW 7 ft at 11 seconds.