Coastal Waters Forecast
Issued by NWS Portland, OR

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FZUS56 KPQR 212129
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Coastal Waters Forecast
National Weather Service Portland OR
229 PM PDT Thu Sep 21 2017

Coastal Waters from Cape Shoalwater Washington to Florence Oregon
and westward 60 NM

PZZ200-220530-
229 PM PDT Thu Sep 21 2017

.SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
A weak low pressure system will move north to south across the
waters through this evening. High pressure builds tonight as
weak low pressure remains along the south Oregon coast.
However, a series of weak lows moving north of the waters will
maintain a weak surface pressure gradient through Saturday.

$$

PZZ250-270-220530-
Coastal waters from Cape Shoalwater WA to Cascade Head OR out
10 NM-
Waters from Cape Shoalwater WA to Cascade Head OR from 10 to
60 NM-
229 PM PDT Thu Sep 21 2017

.TONIGHT...W wind 5 to 10 kt, veering to N. Wind waves W 2 ft
at 4 seconds, shifting to the N 1 ft at 4 seconds. NW swell
8 ft at 10 seconds. Chance of tstms before dark.
.FRI...N wind 5 kt, backing to NW to 5 kt in the afternoon.
Wind waves NW 1 ft at 4 seconds. NW swell 6 ft at 9 seconds.
.FRI NIGHT...NW wind 5 to 10 kt, easing to to 5 kt after
midnight. Wind waves NW 1 ft at 4 seconds. NW swell 5 ft at
9 seconds.
.SAT...N wind to 5 kt, backing to W in the afternoon. Wind
waves N 1 ft at 4 seconds, shifting to the SW at 4 seconds in
the afternoon. NW swell 5 ft at 8 seconds.
.SAT NIGHT...NW wind 5 to 10 kt, becoming NW 5 to 10 kt with
gusts to 15 kt after midnight. Wind waves NW 2 ft at 4 seconds.
NW swell 4 ft at 9 seconds.
.SUN...NW wind 5 to 10 kt with gusts to 15 kt. Wind waves 2 ft.
W swell 4 ft.
.SUN NIGHT...NW wind 5 to 10 kt. Wind waves 2 ft. W swell 4 ft.
.MON...SW wind 5 to 10 kt. Wind waves 1 ft. W swell 5 ft.
.TUE...NW wind 10 to 15 kt. Wind waves 2 ft. W swell 6 ft.

$$

PZZ255-275-220530-
Coastal waters from Cascade Head to Florence OR out 10 NM-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
229 PM PDT Thu Sep 21 2017

.TONIGHT...W wind 5 kt, veering to NE. Wind waves W 1 ft at
4 seconds, shifting to the NE 2 ft at 4 seconds. NW swell 8 ft
at 10 seconds. Chance of tstms before dark.
.FRI...N wind 5 to 10 kt. Wind waves N 1 ft at 4 seconds. NW
swell 6 ft at 10 seconds.
.FRI NIGHT...N wind 5 to 10 kt. Gusts to 15 kt in the evening.
Wind waves N 2 ft at 4 seconds. NW swell 6 ft at 9 seconds.
.SAT...N wind 5 to 10 kt, becoming NW in the afternoon. Wind
waves N 1 ft at 4 seconds, shifting to the W at 4 seconds in
the afternoon. NW swell 5 ft at 8 seconds.
.SAT NIGHT...N wind 5 to 10 kt. Gusts to 15 kt after midnight.
Wind waves N 2 ft at 4 seconds. NW swell 4 ft at 8 seconds.
.SUN...N wind 5 to 10 kt with gusts to 15 kt. Wind waves 2 ft.
W swell 4 ft.
.SUN NIGHT...N wind 10 to 15 kt. Wind waves 2 ft. W swell 3 ft.
.MON...N wind 5 to 10 kt. Wind waves 2 ft. W swell 4 ft.
.TUE...N wind 10 to 15 kt. Wind waves 3 ft. W swell 6 ft.

$$

PZZ210-220530-
Columbia River Bar-
229 PM PDT Thu Sep 21 2017

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
FROM 5 PM THIS AFTERNOON TO 9 PM PDT THIS EVENING...

.IN THE MAIN CHANNEL...Combined seas 4 to 6 ft. However, seas
will temporarily build to around 10 ft with breakers possible
during the strong ebb at 630 PM this evening, and to 8 ft with
the ebb around 645 AM Friday morning.

$$


weather.gov/portland



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