Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast
National Weather Service Portland OR
300 AM PDT Fri Aug 29 2025

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

PZZ200-301000-
300 AM PDT Fri Aug 29 2025

.SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
Low pressure around 42N -137W move to 45N -128W by Sunday morning.
Southerly wind reversal through the weekend. Winds return to a
northerly flow regime by Monday as high pressure builds.

$$

PZZ251-301000-
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out
10 NM-
300 AM PDT Fri Aug 29 2025

.TODAY...S wind around 5 kt. Seas around 2 ft or less. Wave
Detail: NW 2 ft at 5 seconds and W 2 ft at 8 seconds. Areas of
dense fog early this morning, then patchy fog late this morning.
.TONIGHT...S wind around 5 kt. Seas around 2 ft or less. Wave
Detail: W 2 ft at 6 seconds. Patchy dense fog in the evening.
.SAT...SE wind around 5 kt, veering to NW in the afternoon. Seas
around 2 ft or less. Wave Detail: W 2 ft at 5 seconds. Patchy
dense fog.
.SAT NIGHT...NW wind around 5 kt. Seas around 2 ft or less. Wave
Detail: SW 2 ft at 16 seconds.
.SUN...NE wind around 5 kt, backing to NW around 5 kt in the
afternoon. Seas around 2 ft or less. Wave Detail: SW 2 ft at
17 seconds.
.SUN NIGHT...N wind 5 to 10 kt. Seas around 2 ft or less, then
around 3 ft after midnight. Wave Detail: SW 2 ft at 16 seconds.
.MON...N wind 5 to 10 kt. Seas around 2 ft or less, then around
3 ft in the afternoon. Wave Detail: NW 2 ft at 4 seconds and W
2 ft at 9 seconds.
.MON NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N
2 ft at 4 seconds and W 2 ft at 9 seconds.
.TUE...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at
5 seconds and W 2 ft at 10 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N
3 ft at 5 seconds and W 2 ft at 14 seconds.

$$

PZZ252-301000-
Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM-
300 AM PDT Fri Aug 29 2025

.TODAY...S wind around 5 kt. Seas around 2 ft or less. Wave
Detail: W 2 ft at 7 seconds. Areas of dense fog early this
morning, then patchy fog late this morning.
.TONIGHT...S wind around 5 kt. Seas around 2 ft or less. Wave
Detail: W 2 ft at 6 seconds. Patchy fog after midnight.
.SAT...E wind around 5 kt, backing to NW in the afternoon. Seas
around 2 ft or less. Wave Detail: W 2 ft at 6 seconds. Patchy fog
in the morning. Widespread dense fog in the afternoon.
.SAT NIGHT...N wind around 5 kt. Seas around 2 ft or less, then
around 3 ft after midnight. Wave Detail: W 2 ft at 6 seconds.
.SUN...NE wind around 5 kt, backing to NW in the afternoon. Seas
around 2 ft or less. Wave Detail: NW 2 ft at 4 seconds and SW
2 ft at 17 seconds.
.SUN NIGHT...N wind 5 to 10 kt. Seas around 3 ft in the evening,
then around 2 ft or less. Wave Detail: N 2 ft at 4 seconds and SW
2 ft at 16 seconds.
.MON...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N 2 ft
at 4 seconds and W 2 ft at 9 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas around 3 ft. Wave Detail: N
3 ft at 4 seconds and W 2 ft at 9 seconds.
.TUE...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at
5 seconds and W 2 ft at 10 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: N
4 ft at 5 seconds and W 2 ft at 13 seconds.

$$

PZZ253-301000-
Coastal waters from Cape Foulweather to Florence OR out 10 NM-
300 AM PDT Fri Aug 29 2025

.TODAY...S wind around 5 kt, veering to SW late. Seas around 2 ft
or less. Wave Detail: W 2 ft at 7 seconds. Patchy fog early this
morning.
.TONIGHT...S wind around 5 kt. Seas around 2 ft or less. Wave
Detail: W 2 ft at 6 seconds. Patchy fog after midnight.
.SAT...E wind around 5 kt, backing to NW around 5 kt in the
afternoon. Seas around 2 ft or less. Patchy dense fog.
.SAT NIGHT...N wind around 5 kt. Seas around 3 ft in the evening,
then around 2 ft or less. Wave Detail: SW 2 ft at 17 seconds.
.SUN...N wind around 5 kt, backing to NW in the afternoon. Seas
around 2 ft or less. Wave Detail: SW 2 ft at 16 seconds.
.SUN NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W
2 ft at 6 seconds and SW 2 ft at 16 seconds.
.MON...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N 2 ft
at 4 seconds, W 2 ft at 6 seconds and W 2 ft at 10 seconds.
.MON NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N
2 ft at 4 seconds and W 2 ft at 9 seconds.
.TUE...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 and W 2 ft at
9 seconds.
.TUE NIGHT...N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 3 to 5 ft. Wave Detail: N 3 ft at 4 seconds and W
2 ft at 12 seconds.

$$

PZZ271-301000-
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM-
300 AM PDT Fri Aug 29 2025

.TODAY...S wind 5 to 10 kt. Seas around 2 ft or less. Wave
Detail: W 2 ft at 6 seconds. Areas of dense fog early this
morning. Patchy fog late this morning.
.TONIGHT...S wind around 5 kt. Seas around 2 ft or less. Wave
Detail: SW 2 ft at 5 seconds. Patchy dense fog in the evening.
.SAT...S wind around 5 kt. Seas around 2 ft or less, then around
3 ft in the afternoon. Wave Detail: SW 2 ft at 5 seconds and SW
2 ft at 15 seconds. Patchy dense fog in the morning.
.SAT NIGHT...NW wind around 5 kt. Seas around 3 ft. Wave Detail:
SW 2 ft at 6 seconds and SW 2 ft at 16 seconds.
.SUN...N wind around 5 kt. Seas around 2 ft or less. Wave Detail:
SW 2 ft at 18 seconds.
.SUN NIGHT...NW wind around 5 kt. Seas around 2 ft or less, then
around 3 ft after midnight. Wave Detail: SW 2 ft at 6 seconds and
SW 2 ft at 17 seconds.
.MON...N wind around 5 kt. Seas around 3 ft in the morning, then
around 2 ft or less. Wave Detail: SW 2 ft at 6 seconds and W 2 ft
at 9 seconds.
.MON NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N
2 ft at 4 seconds and W 2 ft at 9 seconds.
.TUE...N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: N 3 ft at
4 seconds and W 2 ft at 10 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: N
3 ft at 5 seconds and W 2 ft at 14 seconds.

$$

PZZ272-301000-
Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM-
300 AM PDT Fri Aug 29 2025

.TODAY...S wind 5 to 10 kt. Seas around 3 ft this morning, then
around 2 ft or less. Wave Detail: NW 2 ft at 6 seconds and SW
2 ft at 7 seconds. Patchy fog this morning.
.TONIGHT...S wind around 5 kt. Seas around 2 ft or less. Wave
Detail: SW 2 ft at 5 seconds. Patchy fog after midnight.
.SAT...S wind around 5 kt. Seas around 2 ft or less, then around
3 ft in the afternoon. Wave Detail: SW 2 ft at 6 seconds and SW
2 ft at 16 seconds. Patchy dense fog in the morning.
.SAT NIGHT...NW wind around 5 kt. Seas around 3 ft. Wave Detail:
SW 2 ft at 6 seconds and SW 2 ft at 17 seconds.
.SUN...N wind around 5 kt. Seas around 3 ft in the morning, then
around 2 ft or less. Wave Detail: SW 2 ft at 6 seconds and SW
2 ft at 18 seconds.
.SUN NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: SW
2 ft at 6 seconds and SW 2 ft at 17 seconds.
.MON...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N 2 ft
at 4 seconds, SW 2 ft at 6 seconds and W 2 ft at 9 seconds.
.MON NIGHT...N wind around 10 kt. Seas around 3 ft. Wave Detail:
N 3 ft at 4 seconds and W 2 ft at 9 seconds.
.TUE...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at
5 seconds and W 2 ft at 10 seconds.
.TUE NIGHT...N wind around 15 kt. Seas 5 to 6 ft. Wave Detail: N
4 ft at 5 seconds and W 2 ft at 14 seconds.

$$

PZZ273-301000-
Waters from Cape Foulweather to Florence OR from 10 to 60 NM-
300 AM PDT Fri Aug 29 2025

.TODAY...S wind 5 to 10 kt. Seas around 3 ft this morning, then
around 2 ft or less. Wave Detail: S 2 ft at 5 seconds and NW 2 ft
at 6 seconds. Patchy fog early this morning.
.TONIGHT...S wind around 5 kt. Seas around 2 ft or less. Wave
Detail: SW 2 ft at 5 seconds. Patchy dense fog after midnight.
.SAT...SE wind around 5 kt, veering to SW in the afternoon. Seas
around 2 ft or less, then around 3 ft in the afternoon. Wave
Detail: SW 2 ft at 6 seconds and SW 2 ft at 16 seconds. Patchy
dense fog in the morning.
.SAT NIGHT...NW wind around 5 kt. Seas around 3 ft. Wave Detail:
SW 2 ft at 6 seconds and SW 2 ft at 17 seconds.
.SUN...N wind around 5 kt. Seas around 3 ft. Wave Detail: SW 2 ft
at 6 seconds and SW 2 ft at 18 seconds.
.SUN NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: W
2 ft at 6 seconds and SW 2 ft at 17 seconds.
.MON...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N 2 ft
at 4 seconds, W 2 ft at 6 seconds and W 2 ft at 9 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: N
3 ft at 4 seconds and W 2 ft at 9 seconds.
.TUE...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at
5 seconds and W 2 ft at 9 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: N
4 ft at 5 seconds and W 2 ft at 14 seconds.

$$

PZZ210-301000-
Columbia River Bar-
300 AM PDT Fri Aug 29 2025

.IN THE MAIN CHANNEL...

.GENERAL SEAS...Around 2 ft through Saturday morning.

.FIRST EBB...Ebb current of 2.81 kt at 849 AM Friday. Seas 2 ft.

.SECOND EBB...Ebb current of 4.08 kt at 924 PM Friday. Seas 2 ft.

.THIRD EBB...Ebb current of 2.17 kt at 934 AM Saturday. Seas 2 ft.

$$