Coastal Waters Forecast
Issued by NWS Portland, OR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
000
FZUS56 KPQR 181000
CWFPQR

Coastal Waters Forecast
National Weather Service Portland OR
300 AM PDT Wed Oct 18 2017

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

PZZ200-181615-
300 AM PDT Wed Oct 18 2017

.SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
A strong frontal system will cross the waters today. Southerly
gales expected and seas in the mid teens expected this afternoon
and night. A strong westerly swell will likely bring seas above
20 ft Thu afternoon through Fri morning. Another strong strong
front will arrive on Sat.

$$

PZZ250-181615-
Coastal waters from Cape Shoalwater WA to Cascade Head OR out
10 NM-
300 AM PDT Wed Oct 18 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...S wind 10 to 15 kt, rising to 30 to 35 kt with gusts
to 40 kt. Combined seas 9 ft dominant period 10 seconds,
building to 13 ft dominant period 8 seconds in the afternoon.
Rain.
.TONIGHT...S wind 30 to 35 kt with gusts to 40 to 45 kt, easing
to 25 to 30 kt with gusts to 35 kt after midnight. Combined
seas 15 ft dominant period 10 seconds. Rain.
.THU...S wind 20 kt with gusts to 25 kt, becoming SW with gusts
to 20 kt in the afternoon. Wind waves SW 4 ft at 6 seconds. W
swell 13 ft at 10 seconds, building to 18 ft at 15 seconds in
the afternoon. Rain in the morning, then showers and a slight
chance of tstms in the afternoon.
.THU NIGHT...SW wind 10 to 15 kt. Gusts to 20 kt after
midnight. Wind waves SW 3 ft at 5 seconds. W swell 20 ft at
16 seconds. Showers and a slight chance of tstms.
.FRI...W wind 10 to 15 kt. Gusts to 20 kt in the afternoon.
Wind waves W 3 ft at 4 seconds. W swell 18 ft at 14 seconds.
Showers.
.FRI NIGHT...SW wind 10 to 15 kt, becoming S 20 to 25 kt after
midnight. Wind waves S 4 ft at 6 seconds. W swell 14 ft at
14 seconds. Rain.
.SAT...S wind 25 to 30 kt. Combined seas 16 ft.
.SUN...SW wind 5 to 10 kt. Wind waves 3 ft. W swell 13 ft.

$$

PZZ270-181615-
Waters from Cape Shoalwater WA to Cascade Head OR from 10 to
60 NM-
300 AM PDT Wed Oct 18 2017

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...S wind 15 kt with gusts to 20 kt, rising to 25 to
30 kt with gusts to 40 kt. Combined seas 12 ft dominant period
10 seconds. Rain.
.TONIGHT...S wind 30 to 35 kt with gusts to 40 kt, becoming SW
20 to 25 kt after midnight. Combined seas 15 ft dominant period
11 seconds. Rain in the evening, then rain likely after
midnight.
.THU...SW wind 20 to 25 kt. Wind waves SW 5 ft at 7 seconds. W
swell 14 ft at 11 seconds, building to 18 ft at 16 seconds in
the afternoon. Rain likely in the morning, then showers and a
slight chance of tstms in the afternoon.
.THU NIGHT...SW wind 15 to 20 kt. Gusts 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, easing to 10 to 15 kt with gusts to
20 kt in the afternoon. Wind waves W 4 ft at 6 seconds. W swell
18 ft at 15 seconds. Chance of showers.
.FRI NIGHT...SW wind 10 to 15 kt with gusts to 20 kt, becoming
S 25 to 30 kt with gusts to 35 kt after midnight. Combined seas
17 ft dominant period 15 seconds. Showers.
.SAT...SW wind 25 to 30 kt. Combined seas 17 ft.
.SUN...SW wind 10 to 15 kt. Wind waves 4 ft. W swell 13 ft.

$$

PZZ255-181615-
Coastal waters from Cascade Head to Florence OR out 10 NM-
300 AM PDT Wed Oct 18 2017

...GALE WARNING IN EFFECT FROM 2 PM PDT THIS AFTERNOON THROUGH
THURSDAY MORNING...

.TODAY...S wind 10 to 15 kt, rising to 20 to 25 kt with gusts
to 30 kt. Wind waves S 5 ft at 6 seconds. W swell 7 ft at
10 seconds. Chance of rain.
.TONIGHT...S wind 25 to 30 kt. Gusts to 35 kt, becoming 40 kt
after midnight. Combined seas 15 ft dominant period 11 seconds.
Rain.
.THU...S wind 20 to 25 kt with gusts to 30 kt, becoming SW
15 to 20 kt in the afternoon. Wind waves SW 5 ft at 7 seconds.
W swell 15 ft at 13 seconds. Rain in the morning, then showers
in the afternoon.
.THU NIGHT...SW wind 10 to 15 kt. Gusts to 20 kt after
midnight. Wind waves SW 3 ft at 5 seconds. W swell 20 ft at
17 seconds. Showers and a slight chance of tstms.
.FRI...SW wind 10 to 15 kt. Gusts to 20 kt in the morning. Wind
waves SW 3 ft at 5 seconds. W swell 18 ft at 15 seconds.
Showers.
.FRI NIGHT...SW wind 10 to 15 kt, becoming S 20 to 25 kt with
gusts to 30 kt after midnight. Wind waves S 5 ft at 6 seconds.
W swell 14 ft at 15 seconds. Rain.
.SAT...S wind 20 to 25 kt. Wind waves 7 ft. W swell 14 ft.
.SUN...S wind 10 to 15 kt. Wind waves 3 ft. W swell 13 ft.

$$

PZZ275-181615-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
300 AM PDT Wed Oct 18 2017

...GALE WARNING IN EFFECT FROM 2 PM PDT THIS AFTERNOON THROUGH
THURSDAY MORNING...

.TODAY...S wind 10 to 15 kt, rising to 25 to 30 kt with gusts
to 35 kt. Combined seas 12 ft dominant period 9 seconds in the
afternoon. Chance of rain.
.TONIGHT...S wind 25 to 30 kt. Gusts to 35 kt, becoming 40 kt
after midnight. Combined seas 15 ft dominant period 11 seconds.
Rain.
.THU...SW wind 20 to 25 kt. Wind waves SW 5 ft at 7 seconds. W
swell 15 ft at 13 seconds. Rain in the morning, then showers in
the afternoon.
.THU NIGHT...SW wind 15 to 20 kt, becoming W 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, easing to 10 to 15 kt with gusts to
20 kt in the afternoon. Wind waves W 4 ft at 6 seconds. W swell
18 ft at 15 seconds. Chance of showers.
.FRI NIGHT...SW wind 15 kt with gusts to 20 kt, becoming S
25 to 30 kt with gusts to 35 kt after midnight. Combined seas
17 ft dominant period 15 seconds. Rain.
.SAT...SW wind 25 to 30 kt. Combined seas 16 ft.
.SUN...SW wind 10 to 15 kt. Wind waves 3 ft. W swell 13 ft.

$$

PZZ210-181615-
Columbia River Bar-
300 AM PDT Wed Oct 18 2017

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
UNTIL 6 AM PDT EARLY THIS MORNING...
...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
FROM 2 PM PDT THIS AFTERNOON THROUGH LATE TONIGHT...

.IN THE MAIN CHANNEL...Combined seas 8 feet building to around
10 ft Wednesday afternoon. However, seas will temporarily build
to around 11 feet with breakers possible during the ebb around
415 AM this mornign, and to around 15 FT with breakers likely
during the strong ebb around 445 PM in the afternoon.

$$


weather.gov/portland



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.