Coastal Waters Forecast
Issued by NWS Portland, OR

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

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

PZZ200-210445-
242 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 moves in from the
west late tonight and Saturday morning. A cold front will move
se across the waters Saturday afternoon and night. High pressure
builds back over the waters Sun and Mon.

$$

PZZ250-210445-
Coastal waters from Cape Shoalwater WA to Cascade Head OR out
10 NM-
242 PM PDT Fri Oct 20 2017

...SMALL CRAFT ADVISORY FOR WINDS AND HAZARDOUS SEAS IN EFFECT
UNTIL 2 AM PDT SATURDAY...
...GALE WARNING IN EFFECT FROM 2 AM PDT SATURDAY THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...W wind 10 to 15 kt with occasional gusts to 25 kt,
becoming S 20 to 25 kt after midnight. Gusts to 35 kt late.
Wind waves SW 3 ft at 5 seconds, shifting to the S 7 ft at 6
seconds after midnight. W swell 15 ft at 15 seconds. Isolated
tstms early. Showers in the evening, then rain after midnight.
.SAT...S wind 20 to 30 kt with gusts to 35 kt. Combined seas 13
ft with a dominant period of 13 seconds. Rain.
.SAT NIGHT...SW wind 25 to 30 kt with gusts to 35 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. Showers.
.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.

$$

PZZ270-210445-
Waters from Cape Shoalwater WA to Cascade Head OR from 10 to
60 NM-
242 PM PDT Fri Oct 20 2017

...SMALL CRAFT ADVISORY FOR WINDS AND HAZARDOUS SEAS IN EFFECT
UNTIL 2 AM PDT SATURDAY...
...GALE WARNING IN EFFECT FROM 2 AM PDT SATURDAY THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...W wind 15 kt with occasional gusts to 25 kt, becoming
S 25 to 30 kt with gusts to 40 kt after midnight. Combined seas
17 ft with a dominant period of 14 seconds. Isolated tstms
early. Showers likely in the evening, then rain after midnight.
.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
15 ft with a dominant period of 13 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, building to 20 ft
after midnight. 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. Showers.
.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.

$$

PZZ255-210445-
Coastal waters from Cascade Head to Florence OR out 10 NM-
242 PM PDT Fri Oct 20 2017

...SMALL CRAFT ADVISORY FOR WINDS AND HAZARDOUS SEAS IN EFFECT
UNTIL 2 AM PDT SATURDAY...
...GALE WARNING IN EFFECT FROM 2 AM PDT SATURDAY THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...W wind 10 to 15 kt, backing to SW with gusts to
25 kt in the evening, then becoming S 20 to 25 kt after
midnight. Gusts to 35 kt late. Wind waves SW 3 ft at 4
seconds becoming S 7 ft at 7 seconds after midnight. W swell 15
ft at 15 seconds. Isolated tstms early. Showers likely in the
evening, then rain after midnight.
.SAT...S wind 25 to 30 kt. Gusts to 40 kt. Combined seas 15 ft
with a dominant period of 12 seconds. Rain.
.SAT NIGHT...S wind 25 to 30 kt with gusts to 35 kt. Combined
seas 18 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.

$$

PZZ275-210445-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
242 PM PDT Fri Oct 20 2017

...SMALL CRAFT ADVISORY FOR WINDS AND HAZARDOUS SEAS IN EFFECT
UNTIL 2 AM PDT SATURDAY...
...GALE WARNING IN EFFECT FROM 2 AM PDT SATURDAY THROUGH LATE
SATURDAY NIGHT...

.TONIGHT...W wind 15 kt with occasional gusts to 25 kt, becoming
S 30 to 35 kt with gusts to 45 kt after midnight. Combined seas
18 ft with a dominant period of 15 seconds. Isolated tstms
early. Showers likely in the evening, then rain after midnight.
.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...SW wind 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.

$$

PZZ210-210445-
Columbia River Bar-
242 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 13 ft tonight and 11 ft
Sat. However, seas temporarily building to 15 ft with breakers
likely during the strong ebb around 600 PM this evening, and to
15 ft with breakers possible during the ebb around 615 AM early
Sat morning.

$$


weather.gov/portland



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