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National Weather Service Marine Forecast FZUS56 KPQR

FZUS56 KPQR 171056
CWFPQR

Coastal Waters Forecast
National Weather Service Portland OR
256 AM PST Wed Jan 17 2018

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

PZZ200-171745-
256 AM PST Wed Jan 17 2018

SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST

A 964 mb surface low will move north along 145 west longitude
Wednesday and be near Haida Gwaii by early Thursday. A strong
cold front crosses the waters late today, which will result in
storm force wind gusts this afternoon through this evening. The
strong low will also generate very high seas 30 to 35 feet late
tonight through Thursday. The active pattern continues into the
weekend with combined seas in the upper teens to lower 20s
through at least Sunday morning.



PZZ250-255-171745-
Coastal waters from Cape Shoalwater WA to Cascade Head OR out
10 NM-Coastal waters from Cascade Head to Florence OR out 10 NM-
256 AM PST Wed Jan 17 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...STORM WARNING IN EFFECT FROM 10 AM PST THIS MORNING THROUGH
THIS EVENING...

TODAY
SE wind 20 to 25 kt, becoming S 30 to 35 kt with gusts
45 to 50 kt late this afternoon. Combined seas 14 ft with a
dominant period of 14 seconds, building to 19 ft with a dominant
period of 14 seconds. Rain.

TONIGHT
S wind 25 to 30 kt with gusts to 45 kt, becoming SW
20 to 25 kt with gusts to 35 kt after midnight. Combined seas
22 ft with a dominant period of 13 seconds. Rain.

THU
SW wind 20 to 25 kt with gusts to 35 kt. Combined seas
29 ft with a dominant period of 19 seconds. Showers and a
slight chance of tstms.

THU NIGHT
S wind 20 to 25 kt. Wind waves S 6 ft at
7 seconds. W swell 23 ft at 16 seconds. Showers and a slight
chance of tstms.

FRI
SW wind 20 to 25 kt, easing to 15 to 20 kt in the
afternoon. Wind waves SW 5 ft at 6 seconds. W swell 20 ft at
15 seconds. Showers.

FRI NIGHT
SW wind 10 to 15 kt. Wind waves SW 3 ft at
5 seconds. W swell 18 ft at 15 seconds. Showers.

SAT
S wind 20 to 25 kt. Combined seas 17 ft.

SUN
SW wind 20 to 25 kt. Combined seas 18 ft. 



PZZ270-275-171745-
Waters from Cape Shoalwater WA to Cascade Head OR from 10 to
60 NM-Waters from Cascade Head to Florence OR from 10 to 60 NM-
256 AM PST Wed Jan 17 2018

GALE WARNING IN EFFECT UNTIL 10 AM PST THIS MORNING

...STORM WARNING IN EFFECT FROM 10 AM PST THIS MORNING THROUGH
THIS EVENING...

TODAY
S wind 25 to 30 kt with gusts to 45 kt, rising to
30 to 40 kt with gusts around 50 kt in the afternoon. Combined
seas 16 ft with a dominant period of 14 seconds, building to 23
ft with a dominant period of 13 seconds. Rain.

TONIGHT
SW wind 25 to 30 kt. Gusts to 45 kt, becoming 40 kt
overnight. Combined seas 26 ft with a dominant period of
14 seconds. Rain.

THU
SW wind 25 to 30 kt. Combined seas 31 ft with a dominant
period of 19 seconds. Showers and a slight chance of tstms.

THU NIGHT
SW wind 25 to 30 kt, easing to 20 to 25 kt after
midnight. Combined seas 28 ft with a dominant period of
17 seconds, subsiding to 25 ft with a dominant period of
16 seconds after midnight. Showers likely and a slight chance
of tstms.

FRI
SW wind 20 to 25 kt. Wind waves SW 6 ft at 8 seconds. W
swell 21 ft at 15 seconds. Showers likely.

FRI NIGHT
W wind 20 to 25 kt. Wind waves W 5 ft at
6 seconds. W swell 19 ft at 15 seconds. Showers.

SAT
SW wind 25 to 30 kt. Combined seas 18 ft.

SUN
SW wind 25 to 30 kt. Combined seas 19 ft. 



PZZ210-171745-
Columbia River Bar-
256 AM PST Wed Jan 17 2018

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
THROUGH LATE THURSDAY NIGHT...

IN THE MAIN CHANNEL
Combined seas 10 to 12 feet building to
15 feet this afternoon. Seas continue to build and will remain
20 to 22 feet following the ebb this afternoon through at least
Thursday morning. However, seas will temporarily build to 14 ft
during the ebb around 5 AM this morning and to 21 feet with
breakers during the strong ebb around 5 PM today.



weather.gov/portland