Coastal Waters Forecast
Issued by NWS Portland, OR

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FZUS56 KPQR 171557
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Coastal Waters Forecast
National Weather Service Portland OR
857 AM PDT Tue Oct 17 2017

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

PZZ200-172215-
857 AM 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.

$$

PZZ250-270-172215-
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-
857 AM PDT Tue Oct 17 2017

...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT UNTIL 1 PM PDT THIS
AFTERNOON...
...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH
THIS EVENING...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
EVENING...

.TODAY...W wind 15 to 20 kt with gusts to 25 kt, becoming NW
10 to 15 kt with gusts to 20 kt in the afternoon. Wind waves SW
7 ft at 5 seconds, shifting to the NW 4 ft at 4 seconds in the
afternoon. W swell 10 ft at 11 seconds. Rain in the morning.
.TONIGHT...NE wind 5 kt with gusts to 15 kt, becoming S 10 to
15 kt with gusts to 20 kt after midnight. Wind waves NE 2 ft at
4 seconds, shifting to the S 4 ft at 4 seconds after midnight.
W swell 8 ft at 11 seconds. Rain likely after midnight.
.WED...S wind 25 to 30 kt with gusts to 40 kt. Combined seas
10 ft with a dominant period of 10 seconds, building to 14 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 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 6 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 5 seconds. W swell 22 ft at 17 seconds.
Showers and a slight chance of tstms.
.FRI...SW wind 15 to 20 kt. Wind waves 4 ft. W swell 18 ft.
.SAT...S wind 25 to 30 kt. Combined seas 17 ft.

$$

PZZ255-275-172215-
Coastal waters from Cascade Head to Florence OR out 10 NM-
Waters from Cascade Head to Florence OR from 10 to 60 NM-
857 AM PDT Tue Oct 17 2017

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

.TODAY...SW wind 10 to 15 kt. Gusts to 20 kt in the late
morning and early afternoon. Wind waves SW 4 ft at 4 seconds,
shifting to the W at 4 seconds in the afternoon. W swell 9 ft
at 11 seconds. Chance of rain.
.TONIGHT...NE wind 5 to 10 kt, becoming S 10 to 15 kt after
midnight. Wind waves NE 2 ft at 4 seconds, shifting to the S
3 ft at 4 seconds after midnight. W swell 8 ft at 11 seconds.
.WED...S wind 20 to 25 kt with gusts to 35 kt. Combined seas
8 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. Gusts to 35 kt, becoming 40 kt
after midnight. Combined seas 14 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...SW wind 20 to 25 kt. Wind waves 4 ft. W swell 18 ft.
.SAT...S wind 25 to 30 kt. Combined seas 16 ft.

$$

PZZ210-172215-
Columbia River Bar-
857 AM 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
LATE TONIGHT...


.IN THE MAIN CHANNEL...Combined seas near 8 to 10 ft today
decreasing to 6 to 8 ft early Wednesday. However, seas will
temporarily build to near 12 ft with breakers during the ebb
around 4 PM this afternoon and to near 11 ft during the ebb
around 415 AM Wednesday.

$$


weather.gov/portland



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