Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast
National Weather Service Portland OR
821 PM PDT Fri Oct 20 2017

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

PZZ200-211030-
821 PM PDT Fri Oct 20 2017

.SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
A weak ridge of high pres builds over the coastal waters this
evening will give way to a strong warm front moving in from the
west late tonight and Saturday morning. A cold front will move
southeast across the waters Saturday afternoon and night. High
pressure builds back over the waters Sun and Mon.

$$

PZZ250-211030-
Coastal waters from Cape Shoalwater WA to Cascade Head OR out
10 NM-
821 PM PDT Fri Oct 20 2017

...GALE WARNING IN EFFECT FROM 2 AM PDT SATURDAY THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...S wind 15 to 20 kt with gusts to 25 kt, rising to
20 to 25 kt with gusts to 35 kt after midnight. Combined seas
15 ft with a dominant period of 15 seconds. Rain.
.SAT...S wind 25 to 30 kt, becoming SW 20 to 25 kt in the
afternoon. Gusts to 35 kt. Combined seas 15 ft with a dominant
period of 14 seconds. Rain.
.SAT NIGHT...SW wind 25 to 30 kt. Gusts to 40 kt. Combined seas
17 ft with a dominant period of 11 seconds. Rain.
.SUN...SW wind 10 to 15 kt. Wind waves SW 3 ft at 4 seconds. W
swell 13 ft at 11 seconds. Rain.
.SUN NIGHT...SW wind 5 to 10 kt, backing to S after midnight.
Wind waves S 2 ft at 4 seconds. W swell 12 ft at 12 seconds.
.MON...E wind 5 kt. Wind waves 1 ft. W swell 10 ft.
.MON NIGHT...NE wind 5 to 10 kt. Wind waves 2 ft. W swell
11 ft.
.TUE...N wind 5 to 10 kt. Wind waves 2 ft. W swell 8 ft.
.WED...N wind 10 to 15 kt. Wind waves 4 ft. W swell 13 ft.

$$

PZZ270-211030-
Waters from Cape Shoalwater WA to Cascade Head OR from 10 to
60 NM-
821 PM PDT Fri Oct 20 2017

...GALE WARNING IN EFFECT FROM 2 AM PDT SATURDAY THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...S wind 20 to 25 kt with gusts to 30 kt, rising to
30 to 35 kt with gusts to 45 kt after midnight. Combined seas
16 ft with a dominant period of 15 seconds. Rain.
.SAT...SW wind 25 to 30 kt with gusts to 40 kt. Combined seas
16 ft with a dominant period of 14 seconds. Rain.
.SAT NIGHT...SW wind 30 to 35 kt with gusts to 45 kt, easing to
25 to 30 kt with gusts to 35 kt after midnight. Combined seas
19 ft with a dominant period of 11 seconds. Rain.
.SUN...SW wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Wind waves SW 3 ft at 5 seconds. W swell 13 ft at
11 seconds. Rain.
.SUN NIGHT...SW wind 5 to 10 kt. Wind waves SW 2 ft at
4 seconds. W swell 12 ft at 12 seconds.
.MON...SE wind 5 to 10 kt. Wind waves 2 ft. W swell 11 ft.
.MON NIGHT...NE wind 10 to 15 kt. Wind waves 3 ft. W swell
12 ft.
.TUE...N wind 10 to 15 kt. Wind waves 4 ft. W swell 9 ft.
.WED...NW wind 20 to 25 kt. Wind waves 6 ft. NW swell 15 ft.

$$

PZZ255-211030-
Coastal waters from Cascade Head to Florence OR out 10 NM-
821 PM PDT Fri Oct 20 2017

...GALE WARNING IN EFFECT FROM 2 AM PDT SATURDAY THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...S wind 20 to 25 kt with gusts to 30 kt, rising to
25 to 30 kt with gusts to 35 kt after midnight. Combined seas
16 ft with a dominant period of 15 seconds. Rain.
.SAT...S wind 30 to 35 kt with gusts to 45 kt, becoming SW
25 to 30 kt with gusts to 35 kt in the afternoon. Combined seas
16 ft with a dominant period of 12 seconds. Rain.
.SAT NIGHT...S wind 25 to 30 kt with gusts to 40 kt. Combined
seas 17 ft with a dominant period of 12 seconds. Rain.
.SUN...SW wind 20 to 25 kt with gusts to 30 kt, easing to 10 to
15 kt with gusts to 20 kt in the afternoon. Wind waves SW 5 ft
at 6 seconds. W swell 15 ft at 12 seconds. Showers.
.SUN NIGHT...S wind 5 to 10 kt, becoming 5 kt after midnight.
Wind waves S 1 ft at 4 seconds. W swell 11 ft at 12 seconds.
Chance of showers.
.MON...NE wind 5 kt. Wind waves 1 ft. W swell 10 ft.
.MON NIGHT...NE wind 5 to 10 kt with gusts to 15 kt. Wind waves
2 ft. W swell 11 ft.
.TUE...N wind 5 to 10 kt. Wind waves 2 ft. W swell 9 ft.
.WED...N wind 10 to 15 kt. Wind waves 3 ft. W swell 10 ft.

$$

PZZ275-211030-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
821 PM PDT Fri Oct 20 2017

...GALE WARNING IN EFFECT FROM 2 AM PDT SATURDAY THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...S wind 25 to 30 kt with gusts to 35 kt, rising to
35 to 40 kt with gusts to 45 kt after midnight. Combined seas
17 ft with a dominant period of 15 seconds. Rain.
.SAT...SW wind 30 to 35 kt with gusts to 45 kt, easing to 25 to
30 kt with gusts to 40 kt in the afternoon. Combined seas 18 ft
with a dominant period of 13 seconds. Rain.
.SAT NIGHT...SW wind 25 to 30 kt with gusts to 40 kt. Combined
seas 18 ft with a dominant period of 12 seconds. Rain.
.SUN...SW wind 20 to 25 kt, easing to 10 to 15 kt in the
afternoon. Wind waves SW 5 ft at 5 seconds. W swell 15 ft at
12 seconds. Showers.
.SUN NIGHT...SW wind 5 to 10 kt, backing to S after midnight.
Wind waves S 2 ft at 4 seconds. W swell 11 ft at 12 seconds.
.MON...E wind 5 to 10 kt. Wind waves 2 ft. W swell 10 ft.
.MON NIGHT...N wind 10 to 15 kt with gusts to 20 kt. Wind waves
4 ft. W swell 11 ft.
.TUE...N wind 15 to 20 kt. Wind waves 4 ft. W swell 9 ft.
.WED...N wind 20 to 25 kt. Wind waves 5 ft. NW swell 12 ft.

$$

PZZ210-211030-
Columbia River Bar-
821 PM PDT Fri Oct 20 2017

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
THROUGH SATURDAY AFTERNOON...

.IN THE MAIN CHANNEL...Combined seas 14 ft. However, seas
temporarily building to 15 ft during the ebb around 615 AM
Saturday morning and to 17 ft during the strong ebb around 630
PM Saturday evening.

$$


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