Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Last Update: 306 PM PDT Sat Sep 5 2026

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Seattle, WA Local Forecast Office

30NM WSW TTI WA

Marine Zone Forecast

Tonight

N wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: N 4 ft at 4 seconds, NW 4 ft at 9 seconds and S 2 ft at 11 seconds.

Sun

NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 6 ft. Wave detail: N 4 ft at 4 seconds, NW 4 ft at 8 seconds and S 2 ft at 11 seconds.

Sun Night

NW wind 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave detail: N 5 ft at 6 seconds, W 2 ft at 13 seconds and S 3 ft at 15 seconds.

Mon

W wind around 5 kt. Seas 4 to 6 ft. Wave detail: N 4 ft at 6 seconds, S 2 ft at 11 seconds and W 3 ft at 12 seconds.

Mon Night

NW wind around 5 kt. Seas 4 to 5 ft. Wave detail: NW 3 ft at 7 seconds, W 4 ft at 11 seconds and S 2 ft at 15 seconds.

Tue

N wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: N 3 ft at 5 seconds, W 4 ft at 10 seconds and S 2 ft at 14 seconds.

Tue Night

NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 4 to 5 ft. Wave detail: N 4 ft at 5 seconds, W 3 ft at 11 seconds and S 2 ft at 14 seconds.

Wed

N wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: NE 2 ft at 4 seconds, NW 5 ft at 9 seconds and W 3 ft at 13 seconds.

Wed Night

NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NE 2 ft at 4 seconds, NW 5 ft at 9 seconds and W 6 ft at 12 seconds.

Thu

NW wind 10 to 15 kt. Seas 6 to 7 ft. Wave detail: NW 6 ft at 7 seconds, W 5 ft at 11 seconds and S 2 ft at 13 seconds.

Thu Night

NW wind 10 to 15 kt. Seas 6 to 7 ft.