Monsoon Flooding Threats Continue; Storms Possible in the Mid-Atlantic

Monsoon moisture will primarily stretch from the northern Great Basin to the south and central Rockies. Flash flooding, and mud and debris flows, especially on burn scars will be possible. Strong to severe storms that could produce damaging winds and locally heavy rain will be possible in the Mid-Atlantic, Deep South, and Northeast. Fire weather threats persist for portions of the Northwest.
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Last Update: 246 AM PDT Sun Aug 1 2021

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Portland, OR Local Forecast Office

17NM SSW Newport OR

Marine Zone Forecast

Synopsis: High pres remains anchored well offshore, with lower pres well inland, as well as the far south Oregon coast and nw California. This pattern will maintain northerly flow on the coastal waters through Tue. Now appears will see south to southwesterly winds late in the week as a front pushes across the coastal waters.

Today

N wind 10 to 15 kt. Gusts to 20 kt in the afternoon. Wind waves N 3 ft at 4 seconds. W swell 2 ft at 8 seconds.

Tonight

N wind 15 to 20 kt. Wind waves N 3 ft at 5 seconds. W swell 3 ft at 8 seconds.

Mon

N wind 15 to 20 kt. Wind waves N 4 ft at 6 seconds. W swell 2 ft at 8 seconds.

Mon Night

N wind 15 to 20 kt, easing to 10 to 15 kt with gusts to 20 kt after midnight. Wind waves N 4 ft at 5 seconds. SW swell 2 ft at 17 seconds.

Tue

N wind 10 to 15 kt. Gusts to 20 kt in the afternoon. Wind waves N 3 ft at 5 seconds. SW swell 2 ft at 17 seconds.

Tue Night

N wind 10 to 15 kt. Gusts to 20 kt in the evening. Wind waves N 2 ft at 4 seconds. SW swell 2 ft at 17 seconds.