Fall Weather Pattern Arrives

Rain and much cooler temperatures behind a cold front will bring a feeling of fall to the east coast today. In addition, an active fall storm pattern developing in the Pacific Northwest this week will bring areas of heavy rains, and very high elevations could receive heavy snow. Wetting rains to the valley floors will spread south Thu and Fri into northern California,where active fires continue.
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Last Update: 248 PM PDT Mon Oct 16 2017

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Portland, OR Local Forecast Office

48NM SW Long Beach WA

Marine Zone Forecast


...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT FROM 1 AM PDT TUESDAY THROUGH TUESDAY AFTERNOON...
...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING...
...GALE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY EVENING...
Synopsis: A weakening cold front will bring an increase in winds as it pushes southeastward across the waters late tonight and Tuesday. A much stronger frontal storm system is expected Wednesday and Thursday. Gale force winds appear likely with stronger winds possible within 10 nm of the coast due to a coastal jet.

Tonight
SW wind 5 to 10 kt rising to 10 to 15 kt with gusts to 20 kt. Wind waves SW 3 ft at 4 seconds. NW swell 7 ft at 11 seconds.
Tue
SW wind 20 to 25 kt with gusts to 30 kt, becoming NW 15 to 20 kt in the afternoon. Wind waves SW 5 ft at 6 seconds, shifting to the W 3 ft at 4 seconds in the afternoon. W swell 10 ft at 11 seconds. Rain.
Tue Night
N wind 5 to 10 kt, becoming SE 10 to 15 kt after midnight. Wind waves S 2 ft at 4 seconds. W swell 9 ft at 11 seconds.
Wed
S wind 20 to 25 kt with gusts to 30 kt, rising to 30 to 35 kt with gusts to 40 kt in the afternoon. Combined seas 13 ft with a dominant period of 10 seconds in the afternoon. Rain.
Wed Night
S wind 30 to 35 kt with gusts to 40 kt, becoming SW 15 to 25 kt with gusts to 30 kt after midnight. Combined seas 16 ft with a dominant period of 10 seconds. Rain.
Thu
SW wind 20 to 25 kt. Wind waves 4 ft. W swell 13 ft. Rain.
Thu Night
SW wind 15 to 20 kt with gusts to 25 kt. Wind waves 4 ft. W swell 21 ft. Rain.
Fri
SW wind 15 to 20 kt. Wind waves 4 ft. W swell 19 ft.
Sat
S wind 25 to 30 kt. Combined seas 17 ft.
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ABOUT THIS FORECAST

Last Update: 248 PM PDT Mon Oct 16 2017
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