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National Weather Service Marine Forecast FZUS56 KPQR

FZUS56 KPQR 202129
CWFPQR

Coastal Waters Forecast
National Weather Service Portland OR
229 PM PDT Wed Sep 20 2017

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

PZZ200-210415-
229 PM PDT Wed Sep 20 2017

SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST

A weak low pressure system moves south off the Washington coast
tonight and Thursday. High pressure spreads over the waters
from the west during the latter part of the week.



PZZ250-210415-
Coastal waters from Cape Shoalwater WA to Cascade Head OR out
10 NM-
229 PM PDT Wed Sep 20 2017

TONIGHT
NW wind 5 to 10 kt, backing to SW after midnight.
Gusts to 15 kt. Wind waves NW 3 ft at 4 seconds, shifting to
the SW 2 ft at 4 seconds after midnight. W swell 8 ft at
10 seconds. Chance of tstms in the evening, then chance of
showers and a slight chance of tstms after midnight.

THU
S wind 10 to 15 kt with gusts to 20 kt, becoming E 5 to
10 kt with gusts to 15 kt in the afternoon. Wind waves S 3 ft
at 4 seconds, shifting to the E 2 ft at 4 seconds in the
afternoon. W swell 7 ft at 10 seconds. Chance of showers.

THU NIGHT
N wind 5 to 10 kt with gusts to 15 kt, veering to
E after midnight. Wind waves N 2 ft at 4 seconds, shifting to
the E at 4 seconds after midnight. NW swell 7 ft at 10 seconds.

FRI
SE wind to 5 kt, veering to NW in the afternoon. Wind
waves SE 1 ft at 4 seconds, shifting to the NW at 4 seconds in
the afternoon. NW swell 6 ft at 9 seconds.

FRI NIGHT
NW wind 5 to 10 kt, becoming N after midnight.
Wind waves N 1 ft at 4 seconds. NW swell 5 ft at 9 seconds.

SAT
N wind to 5 kt. Wind waves 1 ft. NW swell 5 ft.

SAT NIGHT
NW wind 5 to 10 kt. Wind waves 2 ft. NW swell
4 ft.

SUN
NW wind 5 to 10 kt. Wind waves 2 ft. W swell 4 ft.

MON
N wind 5 to 10 kt. Wind waves 3 ft. W swell 4 ft. 



PZZ255-210415-
Coastal waters from Cascade Head to Florence OR out 10 NM-
229 PM PDT Wed Sep 20 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH
LATE TONIGHT...

TONIGHT
NW wind 5 to 10 kt, backing to SW after midnight.
Wind waves NW 2 ft at 4 seconds, shifting to the SW at
4 seconds after midnight. W swell 10 ft at 10 seconds. Showers
before dark. Chance of tstms in the evening, then chance of
showers and a slight chance of tstms after midnight.

THU
S wind 10 to 15 kt with gusts to 20 kt. Wind waves S
4 ft at 5 seconds. NW swell 8 ft at 10 seconds. Chance of
showers.

THU NIGHT
N wind 5 to 10 kt, veering to NE after midnight.
Wind waves N 2 ft at 4 seconds, shifting to the NE at 4 seconds
after midnight. NW swell 8 ft at 10 seconds.

FRI
E wind to 5 kt, backing to NW 5 kt in the afternoon.
Wind waves E 1 ft at 4 seconds, shifting to the NW at 4 seconds
in the afternoon. NW swell 6 ft at 10 seconds.

FRI NIGHT
N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Wind waves N 2 ft at 4 seconds. NW swell 6 ft at
9 seconds.

SAT
N wind 5 kt. Wind waves 2 ft. NW swell 5 ft.

SAT NIGHT
N wind 10 to 15 kt. Wind waves 3 ft. NW swell
3 ft.

SUN
N wind 10 to 15 kt. Wind waves 3 ft. W swell 4 ft.

MON
N wind 10 to 15 kt. Wind waves 4 ft. W swell 4 ft. 



PZZ270-210415-
Waters from Cape Shoalwater WA to Cascade Head OR from 10 to
60 NM-
229 PM PDT Wed Sep 20 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH
LATE TONIGHT...

TONIGHT
NW wind 10 to 15 kt with gusts to 20 kt, backing to
W with gusts to 15 kt. Wind waves NW 3 ft at 4 seconds, shifting
SW at 4 seconds after midnight. W swell 10 ft at 10 seconds.
Chance of tstms in the evening, then chance of showers and a
slight chance of tstms after midnight.

THU
NW wind 10 to 15 kt, veering to N in the afternoon. Wind
waves NW 3 ft at 4 seconds, shifting to the N at 4 seconds in
the afternoon. NW swell 8 ft at 10 seconds. Chance of showers.

THU NIGHT
N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Wind waves N 2 ft at 4 seconds. NW swell 8 ft at
10 seconds.

FRI
N wind 5 to 10 kt, easing to to 5 kt in the afternoon.
Wind waves N 1 ft at 4 seconds. NW swell 6 ft at 9 seconds.

FRI NIGHT
NW wind 5 to 10 kt. Wind waves NW 2 ft at
4 seconds. NW swell 5 ft at 9 seconds.

SAT
NW wind to 5 kt. Wind waves 2 ft. NW swell 5 ft.

SAT NIGHT
NW wind 5 to 10 kt with gusts to 15 kt. Wind waves
2 ft. NW swell 3 ft.

SUN
NW wind 5 to 10 kt. Wind waves 2 ft. W swell 3 ft.

MON
N wind 10 to 15 kt. Wind waves 3 ft. W swell 4 ft. 



PZZ275-210415-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
229 PM PDT Wed Sep 20 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH
LATE TONIGHT...

TONIGHT
NW wind 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Wind waves NW 3 ft at 4 seconds. W swell 10 ft at
10 seconds. Showers likely before dark. Chance of tstms in the
evening, then chance of showers and a slight chance of tstms
after midnight.

THU
SW wind 10 to 15 kt, veering to NW in the afternoon.
Gusts to 20 kt. Wind waves SW 4 ft at 4 seconds, shifting to
the NW 3 ft at 4 seconds in the afternoon. NW swell 8 ft at
10 seconds. Chance of showers.

THU NIGHT
N wind 10 to 15 kt with gusts to 20 kt, easing to
5 to 10 kt with gusts to 15 kt after midnight. Wind waves N
3 ft at 4 seconds. NW swell 8 ft at 10 seconds.

FRI
N wind 5 to 10 kt. Wind waves N 2 ft at 4 seconds. NW
swell 7 ft at 10 seconds.

FRI NIGHT
N wind 10 to 15 kt. Wind waves N 3 ft at
4 seconds. NW swell 6 ft at 9 seconds.

SAT
N wind 10 kt with gusts to 15 kt. Wind waves 2 ft. NW
swell 5 ft.

SAT NIGHT
N wind 10 to 15 kt. Wind waves 3 ft. NW swell
3 ft.

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

MON
N wind 15 to 20 kt. Wind waves 5 ft. W swell 3 ft. 



PZZ210-210415-
Columbia River Bar-
229 PM PDT Wed Sep 20 2017

IN THE MAIN CHANNEL
Combined seas 6 to 8 ft. However, seas
will temporarily build to 9 ft with breakers possible during
the ebb around 545 pm and the strong ebb around 6 am Thursday
morning.



weather.gov/portland