Coastal Waters Forecast
Issued by NWS Portland, OR

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FZUS56 KPQR 190356
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Coastal Waters Forecast
National Weather Service Portland OR
856 PM PDT Wed Oct 18 2017

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

PZZ200-191045-
856 PM PDT Wed Oct 18 2017

.SYNOPSIS FOR SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
Cold front continues moving SE across the coastal waters
tonight. A trough of low pres will linger over the waters Thu,
then a weak ridge of high pres builds in Fri. A west swell
arriving Thu brings seas to 20 to 22 ft from Thu afternoon into
Fri morning along with hazardous bar conditions. Another strong
frontal system arrives Fri night and Sat.

$$

PZZ250-191045-
Coastal waters from Cape Shoalwater WA to Cascade Head OR out
10 NM-
856 PM PDT Wed Oct 18 2017

...GALE WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TONIGHT...North of Tillamook Head, SW 20 to 25 kt with gusts to
30 kt. Tillamook head and south, S wind 25 to 30 kt with gusts
to 40 kt, becoming SW 20 to 25 kt with gusts to 30 kt after
midnight. Combined seas 15 ft with a dominant period of 11
seconds. Rain.
.THU...S wind 15 to 20 kt. Wind waves S 4 ft at 6 seconds. W
swell 13 ft at 11 seconds, building to 20 ft at 15 seconds in
the afternoon. Showers. Slight chance of tstms in the
afternoon.
.THU NIGHT...SW wind 10 to 15 kt. Gusts to 20 kt early in the
evening. Wind waves SW 3 ft at 4 seconds. W swell 20 ft at
17 seconds. Showers and a chance of tstms.
.FRI...W wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Wind waves W 4 ft at 5 seconds. W swell 18 ft at
16 seconds. Showers and a slight chance of tstms.
.FRI NIGHT...SW wind 10 to 15 kt, becoming S 20 to 25 kt after
midnight. Wind waves S 4 ft at 5 seconds. W swell 16 ft at
15 seconds, subsiding to 13 ft at 14 seconds after midnight.
Rain.
.SAT...S wind 20 to 25 kt with gusts to 30 kt. Wind waves 7 ft.
W swell 12 ft. Rain.
.SAT NIGHT...SW wind 20 to 25 kt with gusts to 30 kt. Wind
waves 7 ft. W swell 12 ft. Rain.
.SUN...SW wind 20 to 25 kt. Wind waves 5 ft. W swell 16 ft.
.MON...SE wind 5 kt. Wind waves 1 ft. W swell 13 ft.

$$

PZZ270-191045-
Waters from Cape Shoalwater WA to Cascade Head OR from 10 to
60 NM-
856 PM PDT Wed Oct 18 2017

...GALE WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING...

.TONIGHT...North of Tillamook Head, SW 20 to 25 kt with gusts to
30 kt. Tillamook head and south, S wind 25 to 30 kt with gusts
to 40 kt, becoming SW 20 to 25 kt with gusts to 30 kt after
midnight. Combined seas 15 ft with a dominant period of 11
seconds. Rain.
.THU...SW wind 20 to 25 kt. Wind waves SW 5 ft at 7 seconds. W
swell 15 ft at 11 seconds, building to 23 ft at 15 seconds in
the afternoon. Showers. 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 22 ft at
17 seconds. Showers and a chance of tstms.
.FRI...W wind 20 to 25 kt, easing to 15 to 20 kt in the
afternoon. Wind waves W 5 ft at 7 seconds. W swell 19 ft at
16 seconds. Showers and a slight chance of tstms.
.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
16 ft with a dominant period of 15 seconds. Rain.
.SAT...S wind 25 to 30 kt with gusts to 40 kt. Combined seas
15 ft. Rain.
.SAT NIGHT...SW wind 25 to 30 kt with gusts to 35 kt. Combined
seas 16 ft. Rain.
.SUN...SW wind 20 to 25 kt. Wind waves 6 ft. W swell 17 ft.
.MON...SE wind 5 to 10 kt. Wind waves 2 ft. W swell 14 ft.

$$

PZZ255-191045-
Coastal waters from Cascade Head to Florence OR out 10 NM-
856 PM PDT Wed Oct 18 2017

...GALE WARNING IN EFFECT UNTIL 5 AM PDT THURSDAY...

.TONIGHT...S wind 25 kt with gusts to 35 kt. Combined seas
16 ft with a dominant period of 11 seconds. Rain.
.THU...S wind 20 to 25 kt. Gusts to 30 kt early in the morning.
Wind waves S 6 ft at 7 seconds. W swell 14 ft at 11 seconds,
building to 19 ft at 15 seconds in the afternoon. Rain in the
morning, then showers in the afternoon.
.THU NIGHT...SW wind 15 kt with gusts to 20 kt. Wind waves SW
4 ft at 5 seconds. W swell 21 ft at 17 seconds. Showers and a
chance of tstms.
.FRI...W wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Wind waves W 3 ft at 5 seconds. W swell 19 ft at
16 seconds. Showers likely and a slight chance of tstms.
.FRI NIGHT...SW wind 10 to 15 kt, becoming S 20 to 25 kt with
gusts to 30 kt after midnight. Wind waves S 4 ft at 6 seconds.
W swell 15 ft at 14 seconds. Rain.
.SAT...S wind 20 to 25 kt with gusts to 30 kt. Wind waves 7 ft.
W swell 13 ft. Rain.
.SAT NIGHT...S wind 20 to 25 kt with gusts to 30 kt. Wind waves
7 ft. W swell 14 ft. Rain.
.SUN...S wind 20 to 25 kt. Wind waves 5 ft. W swell 16 ft.
.MON...NE wind 5 kt. Wind waves 2 ft. W swell 13 ft.

$$

PZZ275-191045-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
856 PM PDT Wed Oct 18 2017

...GALE WARNING IN EFFECT UNTIL 5 AM PDT THURSDAY...

.TONIGHT...S wind 25 to 30 kt, becoming SW 20 to 25 kt after
late overnight. Gusts to 35 kt, becoming 30 kt late. Combined
seas 16 ft with a dominant period of 11 seconds. Rain.
.THU...SW wind 20 to 25 kt with gusts to 30 kt. Wind waves SW
6 ft at 7 seconds. W swell 14 ft at 11 seconds, building to
21 ft at 15 seconds in the afternoon. Rain in the morning, then
showers in the afternoon.
.THU NIGHT...SW wind 20 to 25 kt. Wind waves SW 5 ft at
7 seconds. W swell 22 ft at 17 seconds. Showers and a chance of
tstms.
.FRI...W wind 20 to 25 kt with gusts to 30 kt, easing to 15 to
20 kt in the afternoon. Wind waves W 5 ft at 7 seconds. W swell
20 ft at 16 seconds. Showers and a slight chance of tstms.
.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
16 ft with a dominant period of 15 seconds. Rain.
.SAT...S wind 25 to 30 kt with gusts to 35 kt. Combined seas
16 ft. Rain.
.SAT NIGHT...SW wind 25 to 30 kt with gusts to 35 kt. Combined
seas 16 ft. Rain.
.SUN...SW wind 20 to 25 kt. Wind waves 7 ft. W swell 17 ft.
.MON...NE wind 5 to 10 kt. Wind waves 3 ft. W swell 13 ft.

$$

PZZ210-191045-
Columbia River Bar-
856 PM PDT Wed Oct 18 2017

...SMALL CRAFT ADVISORY FOR ROUGH COLUMBIA RIVER BAR IN EFFECT
THROUGH FRIDAY MORNING...

.IN THE MAIN CHANNEL...Combined seas 11 ft tonight building to
15 ft Thu, then building to 18 ft Thu evening. However, seas
will temporarily build to 14 feet with breakers possible with
the ebb around 5 AM Thu and then build to 19-21 ft with
breakers during the strong ebb around 530 pm Thu.

$$


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