Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast
National Weather Service Portland OR
504 PM PST Thu Nov 20 2025

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

PZZ200-211530-
504 PM PST Thu Nov 20 2025

.SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
West to northwesterly strong swell due to a low pressure system
moving inland. Seas will build in excess of 18 ft overnight into
early Friday morning. Seas ease to around 12 ft through the
remainder of the weekend.


$$

PZZ251-211530-
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out
10 NM-
504 PM PST Thu Nov 20 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 4 AM PST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM PST FRIDAY THROUGH
LATE FRIDAY NIGHT...

.TONIGHT...S wind 5 to 10 kt. Seas 15 to 18 ft, subsiding to
14 to 16 ft after midnight. Wave Detail: W 18 ft at 15 seconds. A
slight chance of rain after midnight.
.FRI...S wind 5 to 10 kt. Seas 9 to 11 ft. Wave Detail: S 2 ft at
4 seconds and W 11 ft at 13 seconds. A chance of rain.
.FRI NIGHT...S wind 5 to 10 kt. Seas 9 to 11 ft, building to
11 to 12 ft after midnight. Wave Detail: S 2 ft at 4 seconds and
W 12 ft at 17 seconds. Rain likely.
.SAT...S wind 5 to 10 kt. Seas 10 to 12 ft. Wave Detail: S 2 ft
at 4 seconds and W 12 ft at 16 seconds. Rain likely.
.SAT NIGHT...S wind 10 to 15 kt, rising to 15 to 20 kt after
midnight. Seas 9 to 12 ft. Wave Detail: S 4 ft at 6 seconds and W
11 ft at 15 seconds. Rain.
.SUN...SW wind 15 to 20 kt, veering to NW in the afternoon. Seas
10 to 12 ft. Wave Detail: SW 4 ft at 6 seconds and W 11 ft at
15 seconds. Rain.
.SUN NIGHT...W wind 10 to 15 kt. Seas 8 to 10 ft. Wave Detail: NW
3 ft at 5 seconds and W 10 ft at 15 seconds. Rain.
.MON...W wind 5 to 10 kt. Seas 7 to 9 ft. Wave Detail: W 3 ft at
4 seconds and W 9 ft at 14 seconds. Rain, mainly in the morning.
.MON NIGHT...NW wind around 5 kt, veering to SE after midnight.
Seas 6 to 8 ft. Wave Detail: SE 2 ft at 4 seconds and W 8 ft at
14 seconds. A chance of rain.
.TUE...SE wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: SE 2 ft
at 4 seconds and W 6 ft at 12 seconds. A chance of rain in the
morning, then rain likely in the afternoon.
.TUE NIGHT...S wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: SE
3 ft at 5 seconds and W 5 ft at 12 seconds. Rain likely.

$$

PZZ252-211530-
Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM-
504 PM PST Thu Nov 20 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 4 AM PST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM PST FRIDAY THROUGH
LATE FRIDAY NIGHT...

.TONIGHT...SE wind around 5 kt. Seas 15 to 18 ft. Wave Detail: W
18 ft at 15 seconds. A slight chance of rain late.
.FRI...E wind around 5 kt, backing to NW in the afternoon. Seas
11 to 12 ft, subsiding to 9 to 10 ft in the afternoon. Wave
Detail: W 12 ft at 13 seconds. A slight chance of rain.
.FRI NIGHT...E wind around 5 kt. Seas 10 to 11 ft, building to
11 to 13 ft after midnight. Wave Detail: W 13 ft at 17 seconds. A
chance of rain.
.SAT...SE wind around 5 kt, veering to SW in the afternoon. Seas
11 to 13 ft. Wave Detail: W 13 ft at 16 seconds. A chance of
rain.
.SAT NIGHT...S wind 5 to 10 kt, rising to 10 to 15 kt after
midnight. Seas 10 to 11 ft. Wave Detail: S 3 ft at 5 seconds and
W 11 ft at 15 seconds. Rain likely.
.SUN...S wind around 15 kt, veering to W in the afternoon. Seas
10 to 12 ft. Wave Detail: S 4 ft at 5 seconds and W 11 ft at
15 seconds. Rain.
.SUN NIGHT...W wind 10 to 15 kt with gusts up to 20 kt. Seas 9 to
11 ft. Wave Detail: W 3 ft at 5 seconds and W 11 ft at
15 seconds. Rain.
.MON...W wind 5 to 10 kt. Seas 8 to 9 ft. Wave Detail: W 2 ft at
4 seconds and W 9 ft at 15 seconds. Rain likely, mainly in the
morning.
.MON NIGHT...NE wind around 5 kt, veering to SE after midnight.
Seas 6 to 8 ft. Wave Detail: SE 2 ft at 4 seconds and W 8 ft at
14 seconds. A chance of rain.
.TUE...SE wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: SE 2 ft
at 4 seconds and W 7 ft at 13 seconds. A chance of rain in the
morning, then rain likely in the afternoon.
.TUE NIGHT...S wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: SE
3 ft at 4 seconds and W 5 ft at 12 seconds. Rain likely.

$$

PZZ253-211530-
Coastal waters from Cape Foulweather to Florence OR out 10 NM-
504 PM PST Thu Nov 20 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 4 AM PST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM PST FRIDAY THROUGH
LATE FRIDAY NIGHT...

.TONIGHT...E wind around 5 kt. Seas 15 to 17 ft. Wave Detail: W
17 ft at 15 seconds.
.FRI...E wind around 5 kt, backing to N in the afternoon. Seas
11 to 12 ft, subsiding to 9 to 10 ft in the afternoon. Wave
Detail: W 12 ft at 14 seconds.
.FRI NIGHT...NE wind around 5 kt. Seas 9 to 11 ft, building to
11 to 12 ft after midnight. Wave Detail: W 12 ft at 17 seconds. A
slight chance of rain after midnight. Patchy dense fog after
midnight.
.SAT...E wind around 5 kt, backing to W in the afternoon. Seas
11 to 12 ft. Wave Detail: W 12 ft at 16 seconds.
.SAT NIGHT...S wind around 5 kt, rising to 5 to 10 kt after
midnight. Seas 9 to 11 ft. Wave Detail: S 2 ft at 4 seconds and W
11 ft at 15 seconds. A chance of rain in the evening, then rain
likely after midnight.
.SUN...S wind 10 to 15 kt, veering to W in the afternoon. Seas
9 to 10 ft. Wave Detail: S 3 ft at 5 seconds and W 10 ft at
15 seconds. Rain.
.SUN NIGHT...W wind 5 to 10 kt. Seas 8 to 10 ft. Wave Detail: W
3 ft at 4 seconds and W 10 ft at 15 seconds. Rain.
.MON...NW wind around 5 kt. Seas 7 to 9 ft. Wave Detail: NW 2 ft
at 4 seconds and W 9 ft at 15 seconds. Rain likely, mainly in the
morning.
.MON NIGHT...E wind around 5 kt. Seas 6 to 8 ft. Wave Detail: W
8 ft at 14 seconds. A chance of rain.
.TUE...SE wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: SE 2 ft
at 4 seconds and W 6 ft at 13 seconds. A chance of rain.
.TUE NIGHT...S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S
2 ft at 4 seconds and W 5 ft at 12 seconds. Rain likely.

$$

PZZ271-211530-
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM-
504 PM PST Thu Nov 20 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 4 AM PST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM PST FRIDAY THROUGH
LATE FRIDAY NIGHT...

.TONIGHT...S wind 5 to 10 kt. Seas 15 to 18 ft. Wave Detail: W
18 ft at 15 seconds. A slight chance of rain after midnight.
.FRI...S wind 5 to 10 kt. Seas 11 to 12 ft, subsiding to 10 ft in
the afternoon. Wave Detail: S 2 ft at 4 seconds and W 12 ft at
13 seconds. A chance of rain.
.FRI NIGHT...SW wind 5 to 10 kt. Seas 11 to 13 ft. Wave Detail:
SW 2 ft at 4 seconds and W 13 ft at 17 seconds. Rain likely.
.SAT...S wind 5 to 10 kt. Seas 11 to 13 ft. Wave Detail: S 2 ft
at 4 seconds and W 13 ft at 16 seconds. Rain likely.
.SAT NIGHT...S wind 10 to 15 kt, becoming SW 15 to 20 kt after
midnight. Seas 11 to 13 ft. Wave Detail: SW 4 ft at 6 seconds and
W 12 ft at 15 seconds. Rain.
.SUN...NW wind around 15 kt with gusts up to 20 kt. Seas 10 to
13 ft. Wave Detail: W 4 ft at 6 seconds and W 12 ft at
15 seconds. Rain.
.SUN NIGHT...W wind 10 to 15 kt. Seas 9 to 11 ft. Wave Detail: NW
3 ft at 5 seconds and W 11 ft at 15 seconds. Rain.
.MON...NW wind 10 to 15 kt, becoming W around 5 kt in the
afternoon. Seas 8 to 10 ft. Wave Detail: W 3 ft at 5 seconds and
W 10 ft at 14 seconds. Rain likely, mainly in the morning.
.MON NIGHT...W wind around 5 kt, backing to SE after midnight.
Seas 6 to 8 ft. Wave Detail: SE 2 ft at 4 seconds and W 8 ft at
13 seconds. A chance of rain.
.TUE...S wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: S 3 ft at
4 seconds and W 6 ft at 12 seconds. A chance of rain in the
morning, then rain likely in the afternoon.
.TUE NIGHT...S wind around 15 kt. Seas 5 to 6 ft, building to
6 to 9 ft after midnight. Wave Detail: S 3 ft at 5 seconds and W
7 ft at 11 seconds. Rain likely.

$$

PZZ272-211530-
Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM-
504 PM PST Thu Nov 20 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 4 AM PST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM PST FRIDAY THROUGH
LATE FRIDAY NIGHT...

.TONIGHT...S wind around 5 kt. Seas 17 to 18 ft, subsiding to
15 to 17 ft after midnight. Wave Detail: W 18 ft at 15 seconds. A
slight chance of rain late.
.FRI...S wind around 5 kt. Seas 11 to 12 ft, subsiding to 10 ft
in the afternoon. Wave Detail: W 12 ft at 13 seconds. A slight
chance of rain in the morning, then a chance of rain in the
afternoon.
.FRI NIGHT...SW wind around 5 kt. Seas 10 to 13 ft. Wave Detail:
W 13 ft at 17 seconds. A chance of rain.
.SAT...S wind 5 to 10 kt. Seas 12 to 13 ft. Wave Detail: W 13 ft
at 16 seconds. A chance of rain.
.SAT NIGHT...S wind 10 to 15 kt with gusts up to 20 kt. Seas
10 to 12 ft. Wave Detail: S 4 ft at 5 seconds and W 12 ft at
15 seconds. Rain.
.SUN...SW wind 15 to 20 kt, veering to NW in the afternoon. Seas
11 to 13 ft. Wave Detail: SW 4 ft at 6 seconds and W 12 ft at
15 seconds. Rain.
.SUN NIGHT...W wind 10 to 15 kt. Seas 9 to 11 ft. Wave Detail: NW
3 ft at 5 seconds and W 11 ft at 15 seconds. Rain.
.MON...NW wind 5 to 10 kt. Seas 8 to 10 ft. Wave Detail: NW 3 ft
at 4 seconds and W 10 ft at 15 seconds. Rain likely, mainly in
the morning.
.MON NIGHT...NW wind 5 to 10 kt, backing to SE after midnight.
Seas 6 to 8 ft. Wave Detail: NW 2 ft at 4 seconds and W 8 ft at
14 seconds. A chance of rain.
.TUE...S wind around 10 kt. Seas 5 to 7 ft. Wave Detail: SE 3 ft
at 4 seconds and W 7 ft at 12 seconds. A chance of rain in the
morning, then rain likely in the afternoon.
.TUE NIGHT...S wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: S
3 ft at 5 seconds and W 6 ft at 12 seconds. Rain likely.

$$

PZZ273-211530-
Waters from Cape Foulweather to Florence OR from 10 to 60 NM-
504 PM PST Thu Nov 20 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 4 AM PST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM PST FRIDAY THROUGH
LATE FRIDAY NIGHT...

.TONIGHT...E wind around 5 kt. Seas 16 to 18 ft. Wave Detail: W
18 ft at 15 seconds.
.FRI...NE wind around 5 kt. Seas 11 to 12 ft, subsiding to 10 ft
in the afternoon. Wave Detail: W 12 ft at 13 seconds. A slight
chance of rain in the afternoon.
.FRI NIGHT...N wind around 5 kt. Seas 10 to 12 ft, building to
12 to 13 ft after midnight. Wave Detail: W 13 ft at 17 seconds. A
slight chance of rain.
.SAT...NE wind around 5 kt, backing to W in the afternoon. Seas
11 to 13 ft. Wave Detail: W 13 ft at 16 seconds.
.SAT NIGHT...SW wind 5 to 10 kt, becoming S 10 to 15 kt after
midnight. Seas 10 to 11 ft. Wave Detail: S 3 ft at 4 seconds and
W 11 ft at 15 seconds. Rain.
.SUN...SW wind around 15 kt, veering to W in the afternoon. Seas
10 to 12 ft. Wave Detail: SW 4 ft at 5 seconds and W 11 ft at
15 seconds. Rain.
.SUN NIGHT...NW wind 10 to 15 kt. Seas 9 to 11 ft. Wave Detail:
NW 3 ft at 5 seconds and W 11 ft at 15 seconds. Rain.
.MON...NW wind 5 to 10 kt. Seas 8 to 9 ft. Wave Detail: NW 3 ft
at 4 seconds and W 9 ft at 15 seconds. A chance of rain.
.MON NIGHT...NE wind 5 to 10 kt, veering to SE after midnight.
Seas 6 to 8 ft. Wave Detail: NE 2 ft at 4 seconds and W 8 ft at
14 seconds. A chance of rain.
.TUE...SE wind around 10 kt. Seas 5 to 7 ft. Wave Detail: SE 2 ft
at 4 seconds and W 6 ft at 13 seconds. A chance of rain.
.TUE NIGHT...S wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: S
3 ft at 4 seconds and W 6 ft at 12 seconds. Rain likely.

$$

PZZ210-211530-
Columbia River Bar-
504 PM PST Thu Nov 20 2025

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 4 AM PST FRIDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM PST FRIDAY THROUGH
FRIDAY MORNING...

.IN THE MAIN CHANNEL...

.GENERAL SEAS...17 to 19 ft subsiding to 10 ft Friday afternoon.

.FIRST EBB...Strong ebb current of 5.73 kt at 428 PM Thursday.
 Seas 17 to 19 ft.

.SECOND EBB...Ebb current of 2.86 kt at 457 AM Friday. Seas 12 to
 14 ft.

.THIRD EBB...Strong ebb current of 5.65 kt at 458 PM Friday. Seas
 11 ft.

$$