Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast
National Weather Service Portland OR
102 PM PDT Thu Aug 20 2026

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

PZZ200-211030-
102 PM PDT Thu Aug 20 2026

.SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
High pressure offshore maintains north to northwest winds across
the waters today. Friday to Saturday, low pressure will turn
winds more southerly to southwesterly. 40-70% chance for small
craft wind gusts on Saturday for inner waters north of Cape
Foulweather, including the Columbia River Bar. High pressure re-
builds on Sunday into early next week, returning northerly winds.

$$

PZZ251-211030-
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out
10 NM-
102 PM PDT Thu Aug 20 2026

.REST OF TODAY...NW wind around 5 kt. Seas around 5 ft. Wave
Detail: W 5 ft at 11 seconds and SW 2 ft at 15 seconds.
.TONIGHT...NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 10 seconds and SW 2 ft at 15 seconds.
.FRI...SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SW 2 ft
at 4 seconds, W 4 ft at 9 seconds and SW 2 ft at 15 seconds.
.FRI NIGHT...S wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S
3 ft at 4 seconds, W 4 ft at 9 seconds and SW 2 ft at 14 seconds.
A chance of showers.
.SAT...S wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: S 5 ft at 6 seconds and W
3 ft at 9 seconds. A chance of showers in the morning.
.SAT NIGHT...S wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 4 to 6 ft. Wave Detail: S 4 ft at 6 seconds and W
4 ft at 8 seconds.
.SUN...SW wind 5 to 10 kt, veering to W in the afternoon. Seas
around 4 ft. Wave Detail: SW 2 ft at 4 seconds and W 4 ft at
8 seconds.
.SUN NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N
3 ft at 5 seconds.
.MON...N wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: N 4 ft at 6 seconds.
.MON NIGHT...N wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: N 4 ft at 6 seconds and W
2 ft at 10 seconds.

$$

PZZ252-211030-
Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM-
102 PM PDT Thu Aug 20 2026

.REST OF TODAY...NW wind around 5 kt. Seas around 5 ft. Wave
Detail: NW 2 ft at 4 seconds and W 4 ft at 11 seconds.
.TONIGHT...N wind around 5 kt, backing to W around 5 kt after
midnight. Seas around 5 ft. Wave Detail: W 5 ft at 11 seconds.
.FRI...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at
4 seconds and W 3 ft at 10 seconds.
.FRI NIGHT...S wind 5 to 10 kt, rising to 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: S 3 ft at 4 seconds and W
3 ft at 10 seconds.
.SAT...S wind 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft.
Wave Detail: S 3 ft at 5 seconds and W 3 ft at 9 seconds.
.SAT NIGHT...S wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S
3 ft at 4 seconds and W 4 ft at 9 seconds.
.SUN...S wind 5 to 10 kt, veering to NW in the afternoon. Seas
around 4 ft. Wave Detail: NW 3 ft at 4 seconds and NW 4 ft at
8 seconds.
.SUN NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N
4 ft at 5 seconds.
.MON...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at
5 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail: N
4 ft at 5 seconds.

$$

PZZ253-211030-
Coastal waters from Cape Foulweather to Florence OR out 10 NM-
102 PM PDT Thu Aug 20 2026

.REST OF TODAY...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail:
N 2 ft at 4 seconds and W 4 ft at 11 seconds.
.TONIGHT...NW wind around 5 kt, backing to SW after midnight.
Seas 4 to 5 ft. Wave Detail: NW 2 ft at 4 seconds and W 4 ft at
11 seconds.
.FRI...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at
4 seconds and W 3 ft at 10 seconds.
.FRI NIGHT...S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: S
2 ft at 4 seconds and W 3 ft at 10 seconds.
.SAT...S wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Seas 3 to 4 ft. Wave Detail: S 3 ft at 4 seconds and W 3 ft at
9 seconds.
.SAT NIGHT...S wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: SW
2 ft at 4 seconds and W 4 ft at 9 seconds.
.SUN...S wind around 5 kt, veering to NW in the afternoon. Seas
3 to 4 ft. Wave Detail: NW 3 ft at 4 seconds and NW 4 ft at
11 seconds.
.SUN NIGHT...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail: N
3 ft at 5 seconds.
.MON...N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds.
.MON NIGHT...N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds.

$$

PZZ271-211030-
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM-
102 PM PDT Thu Aug 20 2026

.REST OF TODAY...NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail:
NW 2 ft at 4 seconds, NW 5 ft at 11 seconds and SW 2 ft at
15 seconds.
.TONIGHT...NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: N
2 ft at 4 seconds, NW 5 ft at 11 seconds and SW 2 ft at
15 seconds.
.FRI...SW wind around 5 kt. Seas around 5 ft. Wave Detail: SW
2 ft at 4 seconds, W 4 ft at 10 seconds and SW 2 ft at
15 seconds.
.FRI NIGHT...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S
3 ft at 4 seconds, W 3 ft at 10 seconds and SW 2 ft at
14 seconds.
.SAT...S wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: S 4 ft at 5 seconds, W
3 ft at 9 seconds and SW 2 ft at 14 seconds.
.SAT NIGHT...SW wind 10 to 15 kt, becoming W 5 to 10 kt after
midnight. Seas 4 to 5 ft. Wave Detail: SW 3 ft at 4 seconds, W
4 ft at 9 seconds and SW 2 ft at 14 seconds.
.SUN...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 2 ft
at 4 seconds, W 4 ft at 10 seconds and SW 2 ft at 15 seconds.
.SUN NIGHT...N wind around 10 kt, rising to around 15 kt after
midnight. Seas around 4 ft. Wave Detail: N 3 ft at 5 seconds and
SW 2 ft at 15 seconds.
.MON...N wind around 15 kt. Seas around 4 ft. Wave Detail: N 4 ft
at 5 seconds and S 2 ft at 16 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail:
NW 4 ft at 5 seconds, NW 2 ft at 9 seconds and S 2 ft at
16 seconds.

$$

PZZ272-211030-
Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM-
102 PM PDT Thu Aug 20 2026

.REST OF TODAY...N wind 5 to 10 kt. Seas around 5 ft. Wave
Detail: N 2 ft at 4 seconds, W 4 ft at 11 seconds and SW 2 ft at
15 seconds.
.TONIGHT...NW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: N
2 ft at 4 seconds, W 4 ft at 11 seconds and SW 2 ft at
15 seconds.
.FRI...SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SW 2 ft
at 4 seconds, W 3 ft at 10 seconds and SW 2 ft at 15 seconds.
.FRI NIGHT...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S
3 ft at 4 seconds, W 3 ft at 10 seconds and SW 2 ft at
14 seconds.
.SAT...S wind 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft.
Wave Detail: S 4 ft at 5 seconds, W 3 ft at 9 seconds and SW 2 ft
at 14 seconds.
.SAT NIGHT...W wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: SW
3 ft at 4 seconds, W 4 ft at 9 seconds and SW 2 ft at 14 seconds.
.SUN...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at
4 seconds, W 4 ft at 11 seconds and SW 2 ft at 14 seconds.
.SUN NIGHT...N wind 10 to 15 kt, rising to 15 to 20 kt after
midnight. Seas 4 to 5 ft. Wave Detail: N 4 ft at 6 seconds and SW
2 ft at 16 seconds.
.MON...N wind 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at
6 seconds and SW 2 ft at 15 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N
4 ft at 5 seconds and S 2 ft at 15 seconds.

$$

PZZ273-211030-
Waters from Cape Foulweather to Florence OR from 10 to 60 NM-
102 PM PDT Thu Aug 20 2026

.REST OF TODAY...N wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail:
N 2 ft at 4 seconds, W 4 ft at 11 seconds and SW 2 ft at
15 seconds.
.TONIGHT...N wind 5 to 10 kt, backing to W after midnight. Seas
around 5 ft. Wave Detail: N 2 ft at 4 seconds, W 3 ft at
11 seconds and SW 2 ft at 15 seconds.
.FRI...SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SW 2 ft
at 4 seconds, W 3 ft at 10 seconds and SW 2 ft at 15 seconds.
.FRI NIGHT...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S
3 ft at 4 seconds, W 3 ft at 10 seconds and SW 2 ft at
14 seconds.
.SAT...S wind 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft.
Wave Detail: S 3 ft at 5 seconds, W 3 ft at 9 seconds and SW 2 ft
at 14 seconds.
.SAT NIGHT...W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: SW
2 ft at 4 seconds, W 3 ft at 9 seconds and SW 2 ft at 14 seconds.
.SUN...NW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 3 ft at
5 seconds and SW 2 ft at 14 seconds.
.SUN NIGHT...N wind 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: N
4 ft at 6 seconds and SW 2 ft at 16 seconds.
.MON...N wind 15 to 20 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at
5 seconds and SW 2 ft at 15 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N
3 ft at 5 seconds and S 2 ft at 15 seconds.

$$

PZZ210-211030-
Columbia River Bar-
102 PM PDT Thu Aug 20 2026

.IN THE MAIN CHANNEL...

.GENERAL SEAS...Around 4 ft through Saturday morning.

.FIRST EBB...Ebb current of 3.88 kt at 1141 PM Thursday. Seas 4
 ft.

.SECOND EBB...Ebb current of 1.53 kt at 1214 PM Friday. Seas 4 ft.

.THIRD EBB...Ebb current of 3.86 kt at 1247 AM Saturday. Seas 4
 ft.

$$