Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast...CORRECTED
National Weather Service Portland OR
934 AM PDT Fri Apr 20 2018

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

PZZ200-202315-
934 AM PDT Fri Apr 20 2018

.SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
The next cold front will move across the waters tonight. Thermal
low pressure over the northern California will build northward
into western Oregon through Sunday night, which will bring a
summer-like northerly wind pattern over the weekend.

$$

PZZ250-270-202315-
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-
934 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT FROM 6 PM PDT THIS
EVENING THROUGH SATURDAY MORNING...
...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT FROM LATE
TONIGHT THROUGH SATURDAY EVENING...

.REST OF TODAY...S wind 5 to 10 kt. Wind waves S 2 ft at 4
seconds. W swell 7 ft at 13 seconds.
.TONIGHT...S wind 15 to 20 kt increasing to W 20 to 25 kt with
gusts to 30 kt after midnight. Wind waves SW 3 ft at 6 seconds.
W swell 7 ft at 15 seconds, building to 10 ft at 15 seconds
after midnight. Rain.
.SAT...NW wind 15 to 20 kt with gusts to 25 kt, easing to 5 to
10 kt in the afternoon. Wind waves NW 3 ft at 5 seconds. W
swell 11 ft at 14 seconds.
.SAT NIGHT...N wind 10 to 15 kt. Wind waves N 2 ft at
4 seconds. W swell 9 ft at 13 seconds.
.SUN...N wind 10 to 15 kt with gusts to 20 kt. Wind waves N
3 ft at 5 seconds. W swell 8 ft at 13 seconds.
.SUN NIGHT...N wind 15 to 20 kt with gusts to 25 kt, easing to
10 to 15 kt with gusts to 20 kt after midnight. Wind waves N
3 ft at 6 seconds. W swell 7 ft at 13 seconds.
.MON...NE wind 15 to 20 kt. Wind waves 3 ft. W swell 6 ft.
.TUE...N wind 20 to 25 kt. Wind waves 4 ft. W swell 9 ft.

$$

PZZ255-275-202315-
Coastal waters from Cascade Head to Florence OR out 10 NM-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
934 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT FROM 8 PM PDT THIS
EVENING THROUGH SATURDAY MORNING...
...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT FROM LATE
TONIGHT THROUGH SATURDAY AFTERNOON...

.REST OF TODAY...SW wind 5 to 10 kt. Wind waves SW 1 ft at 4
seconds. W swell 7 ft at 13 seconds.
.TONIGHT...SW wind 10 to 15 kt, becoming W 15 to 20 kt with
gusts to 25 kt after midnight. Wind waves SW 3 ft at 5 seconds.
W swell 8 ft at 15 seconds. Rain.
.SAT...N wind 10 to 15 kt. Wind waves N 2 ft at 4 seconds. W
swell 10 ft at 14 seconds.
.SAT NIGHT...N wind 15 to 20 kt with gusts to 25 kt. Wind waves
N 3 ft at 6 seconds. W swell 9 ft at 13 seconds.
.SUN...N wind 15 to 20 kt with gusts to 25 kt. Wind waves N
4 ft at 6 seconds. W swell 6 ft at 13 seconds.
.SUN NIGHT...N wind 20 to 25 kt, easing to 15 to 20 kt after
midnight. Wind waves N 4 ft at 7 seconds. W swell 8 ft at
13 seconds.
.MON...N wind 15 to 20 kt. Wind waves 3 ft. W swell 6 ft.
.TUE...N wind 15 to 20 kt. Wind waves 4 ft. W swell 9 ft.

$$

PZZ210-202315-
Columbia River Bar-
934 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
FROM 7 PM PDT THIS EVENING THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON...


.IN THE MAIN CHANNEL...Combined seas 4 to 6 ft building to 9 to
11 ft late tonight and early Saturday morning. However, seas will
temporarily build to 10 ft during the ebb around 915 PM Friday
and to near 13 ft with breakers likely during the ebb around 930
AM Saturday. A third ebb will occur around 1015 PM Saturday.

$$


weather.gov/portland



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