Coastal Waters Forecast
Issued by NWS Portland, OR

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FZUS56 KPQR 220949
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Coastal Waters Forecast
National Weather Service Portland OR
249 AM PDT Tue Aug 22 2017

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

PZZ200-221615-
249 AM PDT Tue Aug 22 2017

.SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
High pressure persists over the NE Pacific as a thermal trough
remains across the southern Oregon coast. The high pressure
weakens Wednesday as a decaying front moves across the waters,
then rapidly rebuilds behind the front Wednesday night. The
thermal trough strengthens Friday and Saturday.

$$

PZZ250-270-221615-
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-
249 AM PDT Tue Aug 22 2017

.TODAY...N wind 10 to 15 kt with gusts to 20 kt, becoming NW
5 to 10 kt with gusts to 15 kt. Wind waves NW 3 ft at
4 seconds. W swell 4 ft at 10 seconds.
.TONIGHT...NW wind 5 to 10 kt. Gusts to 15 kt in the evening.
Wind waves NW 3 ft at 4 seconds. W swell 4 ft at 12 seconds.
.WED...W wind 5 kt. Wind waves W 1 ft at 4 seconds. W swell
4 ft at 11 seconds.
.WED NIGHT...NW wind 10 to 15 kt. Wind waves NW 4 ft at
4 seconds. W swell 4 ft at 11 seconds.
.THU...NW wind 10 to 15 kt, easing to 5 to 10 kt in the
afternoon. Wind waves NW 3 ft at 4 seconds. NW swell 6 ft at
12 seconds.
.THU NIGHT...N wind 10 to 15 kt. Wind waves NW 2 ft at
4 seconds. NW swell 6 ft at 12 seconds.
.FRI...N wind 10 to 15 kt. Wind waves 4 ft. NW swell 5 ft.
.SAT...N wind 15 to 20 kt. Wind waves 5 ft. NW swell 4 ft.

$$

PZZ255-275-221615-
Coastal waters from Cascade Head to Florence OR out 10 NM-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
249 AM PDT Tue Aug 22 2017

.TODAY...NW wind 5 to 10 kt with gusts to 15 kt. Wind waves NW
3 ft at 4 seconds. W swell 4 ft at 10 seconds.
.TONIGHT...N wind 10 to 15 kt. Wind waves N 4 ft at 4 seconds.
W swell 3 ft at 13 seconds.
.WED...NW wind 5 to 10 kt. Wind waves NW 2 ft at 4 seconds. W
swell 4 ft at 11 seconds.
.WED NIGHT...NW wind 5 to 10 kt with gusts to 15 kt, becoming N
10 to 15 kt with gusts to 20 kt after midnight. Wind waves NW
3 ft at 4 seconds. W swell 4 ft at 11 seconds.
.THU...N wind 10 to 15 kt. Gusts to 20 kt in the morning. Wind
waves N 4 ft at 5 seconds. NW swell 5 ft at 12 seconds.
.THU NIGHT...N wind 10 to 15 kt, rising to 15 to 20 kt after
midnight. Wind waves N 4 ft at 5 seconds. NW swell 5 ft at
12 seconds.
.FRI...N wind 15 to 20 kt. Wind waves 5 ft. NW swell 6 ft.
.SAT...N wind 20 to 25 kt. Wind waves 6 ft. NW swell 5 ft.

$$

PZZ210-221615-
Columbia River Bar-
249 AM PDT Tue Aug 22 2017

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
UNTIL 8 AM PDT THIS MORNING...

.IN THE MAIN CHANNEL...Combined seas 3 to 5 ft through Tuesday.
However, seas will temporarily build to around 7 ft with
breakers likely during the very strong ebb around 545 AM
Tuesday morning. and to 6 ft during the ebb around 615 PM
Tuesday evening.

$$


weather.gov/portland



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