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National Weather Service Marine Forecast FZUS56 KPQR

FZUS56 KPQR 172131
CWFPQR

Coastal Waters Forecast
National Weather Service Portland OR
231 PM PDT Tue Oct 17 2017

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

PZZ200-180430-
231 PM PDT Tue Oct 17 2017

SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST

A weakening cold front will push across the waters this
morning. A much stronger frontal storm system arrives Wed and
Thu, with southerly gales expected. Seas will likely reach
20 ft Thu night. Another strong strong front will arrive on
Sat.



PZZ250-270-180430-
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-
231 PM PDT Tue Oct 17 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT UNTIL 9 PM
PDT THIS EVENING...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

TONIGHT
NW wind 10 kt with gusts to 15 kt, then becoming S
10 to 15 kt with gusts to 20 kt after midnight. Wind waves NW 2
ft at 4 seconds, then shifting to the S 3 ft at 4 seconds after
midnight. W swell 10 ft at 11 seconds, subsiding to 7 ft at 11
seconds after midnight. Chance of rain early. Rain likely after
midnight.

WED
S wind 25 to 30 kt with gusts to 40 kt. Combined seas
9 ft with a dominant period of 10 seconds, building to 15 ft
with a dominant period of 9 seconds in the afternoon. Rain.

WED NIGHT
S wind 30 to 35 kt with gusts to 40 kt, becoming
SW 20 to 25 kt with gusts to 30 kt after midnight. Combined
seas 16 ft with a dominant period of 11 seconds in the evening.
Rain.

THU
SW wind 20 to 25 kt. Wind waves SW 5 ft at 7 seconds. W
swell 12 ft at 11 seconds, building to 18 ft at 16 seconds in
the afternoon. Showers and a slight chance of tstms.

THU NIGHT
SW wind 15 to 20 kt with gusts to 25 kt. Wind
waves SW 4 ft at 6 seconds. W swell 22 ft at 17 seconds.
Showers and a slight chance of tstms.

FRI
W wind 15 to 20 kt with gusts to 25 kt. Wind waves 4 ft.
W swell 18 ft. Showers likely.

FRI NIGHT
SW wind 10 to 15 kt with gusts to 20 kt. Wind
waves 3 ft. W swell 14 ft. Rain.

SAT
S wind 25 to 30 kt with gusts to 35 kt. Combined seas 17
ft.

SUN
SW wind 10 to 15 kt. Wind waves 3 ft. W swell 13 ft. 



PZZ255-275-180430-
Coastal waters from Cascade Head to Florence OR out 10 NM-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
231 PM PDT Tue Oct 17 2017

...GALE WARNING IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
THURSDAY MORNING...

TONIGHT
NW wind 5 to 10 kt with gusts to 15 kt, then
becoming S 10 to 15 kt after midnight. Wind waves NW 2 ft at 4
seconds, then shifting to the S 3 ft at 4 seconds after
midnight. W swell 8 ft at 11 seconds. Chance of rain early.

WED
S wind 20 to 25 kt with gusts to 30 kt, rising to 25 to
30 kt with gusts to 35 kt in the afternoon. Combined seas 7 ft
with a dominant period of 10 seconds, building to 13 ft with a
dominant period of 9 seconds in the afternoon. Chance of rain.

WED NIGHT
S wind 25 to 30 kt with gusts to 40 kt. Combined
seas 15 ft with a dominant period of 11 seconds. Rain.

THU
SW wind 20 to 25 kt. Wind waves SW 6 ft at 7 seconds. W
swell 11 ft at 11 seconds, building to 17 ft at 16 seconds in
the afternoon. Showers.

THU NIGHT
SW wind 15 to 20 kt, rising to 20 to 25 kt after
midnight. Wind waves SW 4 ft at 6 seconds. W swell 21 ft at
17 seconds. Showers and a slight chance of tstms.

FRI
W wind 20 to 25 kt. Wind waves 4 ft. W swell 18 ft.
Showers likely.

FRI NIGHT
SW wind 20 to 25 kt. Wind waves 4 ft. W swell
14 ft. Rain.

SAT
S wind 25 to 30 kt with gusts to 35 kt. Combined seas 16
ft.

SUN
SW wind 5 to 10 kt. Wind waves 2 ft. W swell 13 ft. 



PZZ210-180430-
Columbia River Bar-
231 PM PDT Tue Oct 17 2017

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
UNTIL 6 PM PDT THIS EVENING...
...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
FROM 1 AM PDT WEDNESDAY THROUGH LATE TONIGHT...
...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
FROM WEDNESDAY AFTERNOON THROUGH LATE WEDNESDAY NIGHT...


IN THE MAIN CHANNEL
Combined seas near 8 to 10 ft today
decreasing to 6 to 8 ft early Wednesday before increasing to 9
to 11 ft late Wednesday. However, seas will temporarily build
to near 11 ft with breakers during the ebb around 4 PM this
afternoon and to near 10 ft during the ebb around 415 AM
Wednesday.



weather.gov/portland