Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail.
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Last Update: 255 PM PDT Wed Aug 16 2017

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Portland, OR Local Forecast Office

36NM W Cannon Beach OR

Marine Zone Forecast


Synopsis: High pres will persist over the coastal waters through the week. Thermal low pres over N CA/SW OR will keep northerly winds in place, with breezy afternoon/evening winds.

Tonight
NW wind 10 to 20 kt, veering to N after midnight. wind waves NW 2 ft at 4 seconds. W swell 6 ft at 11 seconds.
Thu
N wind 10 to 15 kt. Wind waves N 2 ft at 4 seconds. W swell 7 ft at 12 seconds.
Thu Night
N wind 10 to 20 kt, easing 10 to 15 kt after midnight. Wind waves N 2 ft at 4 seconds. W swell 7 ft at 11 seconds.
Fri
NW wind 5 to 10 kt. Wind waves NW 2 ft at 4 seconds. W swell 5 ft at 11 seconds.
Fri Night
NW wind 10 to 20 kt after midnight. Wind waves NW 3 ft at 4 seconds. W swell 5 ft at 10 seconds.
Sat
N wind 10 to 20 kt. Wind waves 3 ft. W swell 5 ft.
Sat Night
NW wind 15 to 20 kt with gusts to 25 kt. Wind waves 4 ft. W swell 6 ft.
Sun
NW wind 15 to 20 kt. Wind waves 3 ft. W swell 7 ft.
Mon
NW wind 20 to 25 kt. Wind waves 4 ft. W swell 7 ft.
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ABOUT THIS FORECAST

Last Update: 255 PM PDT Wed Aug 16 2017
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