Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast
National Weather Service Portland OR
232 AM PDT Wed Sep 23 2020

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

PZZ200-232345-
232 AM PDT Wed Sep 23 2020

.SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
A broad area of low pressure over the Gulf of Alaska will send
a series of fronts across the waters this week. The first front
will move across the waters today followed by another front on
Friday. High pressure looks to build into the NE Pac by early
next week.

$$

PZZ250-255-232345-
Coastal waters from Cape Shoalwater WA to Cascade Head OR out
10 NM-Coastal waters from Cascade Head to Florence OR out 10 NM-
232 AM PDT Wed Sep 23 2020

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

.TODAY...S wind 20 to 25 kt with gusts to 35 kt, rising to
25 to 35 kt with gusts to 45 kt. Combined seas 8 ft with a
dominant period of 10 seconds, building to 14 ft with a
dominant period of 13 seconds. Rain.
.TONIGHT...S wind 20 to 25 kt with gusts to 35 kt, becoming SW
15 to 20 kt with gusts to 25 kt after midnight. Combined seas
13 ft with a dominant period of 13 seconds. Showers and a
slight chance of tstms.
.THU...S wind 15 to 20 kt. Wind waves S 4 ft at 5 seconds. W
swell 14 ft at 15 seconds. Showers.
.THU NIGHT...S wind 15 to 20 kt. Gusts to 25 kt. Wind waves S
3 ft at 5 seconds. W swell 14 ft at 14 seconds. Showers.
.FRI...SW wind 20 to 25 kt with gusts to 30 kt. Wind waves S
3 ft at 7 seconds. W swell 12 ft at 13 seconds. Rain.
.FRI NIGHT...S wind 10 to 15 kt. Gusts to 20 kt in the evening.
Wind waves S 3 ft at 4 seconds. W swell 9 ft at 12 seconds.
Chance of showers.
.SAT...SW wind 10 to 15 kt. Wind waves 4 ft. W swell 9 ft.
.SUN...SW wind 10 to 15 kt. Wind waves 2 ft. W swell 8 ft.

$$

PZZ270-275-232345-
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-
232 AM PDT Wed Sep 23 2020

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

.TODAY...S wind 25 to 30 kt with gusts to 45 kt. Combined seas
10 ft with a dominant period of 10 seconds, building to 14 ft
with a dominant period of 11 seconds. Rain.
.TONIGHT...SW wind 20 to 25 kt. Gusts to 35 kt early in the
evening. Combined seas 14 ft with a dominant period of
14 seconds. Showers and a slight chance of tstms.
.THU...SW wind 15 to 20 kt. Gusts to 25 kt early in the
morning. Wind waves SW 4 ft at 5 seconds. W swell 15 ft at
15 seconds. Showers.
.THU NIGHT...SW wind 15 to 20 kt. Gusts to 25 kt. Wind waves SW
3 ft at 6 seconds. W swell 15 ft at 14 seconds. Showers.
.FRI...SW wind 20 to 25 kt with gusts to 30 kt, easing to 15 to
20 kt with gusts to 25 kt in the afternoon. Wind waves SW 3 ft
at 6 seconds. W swell 13 ft at 13 seconds. Chance of rain.
.FRI NIGHT...SW wind 10 to 15 kt with gusts to 20 kt. Wind
waves SW 3 ft at 4 seconds. W swell 10 ft at 12 seconds.
.SAT...SW wind 10 to 15 kt. Wind waves 4 ft. W swell 9 ft.
.SUN...SW wind 10 to 15 kt. Wind waves 2 ft. W swell 8 ft.

$$

PZZ210-232345-
Columbia River Bar-
232 AM PDT Wed Sep 23 2020

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM PDT THIS AFTERNOON
THROUGH THURSDAY AFTERNOON...

.IN THE MAIN CHANNEL...

- GENERAL SEAS...4 to 6 ft this morning building to 10 to 12 ft
  this afternoon.

- FIRST EBB...Around 1015 AM Wednesday. Seas to 8 ft.

- SECOND EBB...Around 1045 PM Wednesday. Seas to 14 ft.

- THIRD EBB...Around 1130 AM Thursday. Seas to 15 ft.

$$

weather.gov/portland


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