576
FZUS56 KPQR 171520
CWFPQR

Coastal Waters Forecast
National Weather Service Portland OR
820 AM PDT Sun Aug 17 2025

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

PZZ200-180615-
820 AM PDT Sun Aug 17 2025

.SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
Light southwesterly flow into early next week, before surface
high pressure building over the northeastern Pacific sees a shift
to northerly flow by Tuesday night. Chances for diurnal gusts to
around 20 kt increase Wednesday through Friday afternoons.

$$

PZZ251-180615-
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out
10 NM-
820 AM PDT Sun Aug 17 2025

.TODAY...S wind around 5 kt, veering to W late. Seas 5 to 7 ft.
Wave Detail: W 7 ft at 10 seconds and SW 2 ft at 14 seconds. A
slight chance of showers early this morning.
.TONIGHT...W wind around 5 kt, backing to S around 5 kt after
midnight. Seas 4 to 6 ft. Wave Detail: W 6 ft at 10 seconds.
.MON...S wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Seas 4 to 5 ft. Wave Detail: S 2 ft at 4 seconds and W 5 ft at
9 seconds. A slight chance of showers.
.MON NIGHT...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S
2 ft at 4 seconds and W 5 ft at 10 seconds.
.TUE...SE wind around 5 kt, veering to W in the afternoon. Seas
3 to 4 ft. Wave Detail: W 4 ft at 9 seconds.
.TUE NIGHT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W
4 ft at 9 seconds.
.WED...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft at
4 seconds, NW 3 ft at 9 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N
2 ft at 4 seconds, W 3 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at
5 seconds, NW 2 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N
3 ft at 5 seconds, W 2 ft at 10 seconds and SW 2 ft at
15 seconds.

$$

PZZ252-180615-
Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM-
820 AM PDT Sun Aug 17 2025

.TODAY...S wind around 5 kt, veering to W this afternoon. Seas
6 to 7 ft. Wave Detail: W 7 ft at 10 seconds. Areas of dense fog
early this morning.
.TONIGHT...W wind around 5 kt, backing to S around 5 kt after
midnight. Seas 5 to 6 ft. Wave Detail: S 2 ft at 4 seconds and NW
6 ft at 10 seconds.
.MON...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at
4 seconds and NW 5 ft at 9 seconds.
.MON NIGHT...SW wind 5 to 10 kt, backing to SE after midnight.
Seas 4 to 5 ft. Wave Detail: S 2 ft at 4 seconds and NW 5 ft at
10 seconds.
.TUE...SE wind around 5 kt, backing to NW around 5 kt in the
afternoon. Seas around 4 ft. Wave Detail: NW 4 ft at 9 seconds.
.TUE NIGHT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 9 seconds.
.WED...N wind around 5 kt, rising to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: N 3 ft at 4 seconds and
NW 3 ft at 9 seconds.
.WED NIGHT...N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: N
3 ft at 4 seconds and NW 3 ft at 8 seconds.
.THU...N wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 7 seconds and
SW 2 ft at 15 seconds.
.THU NIGHT...N wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 3 to 4 ft. Wave Detail: N 3 ft at 6 seconds.

$$

PZZ253-180615-
Coastal waters from Cape Foulweather to Florence OR out 10 NM-
820 AM PDT Sun Aug 17 2025

.TODAY...S wind around 5 kt, veering to NW around 5 kt this
afternoon. Seas around 6 ft. Wave Detail: W 6 ft at 10 seconds.
Areas of dense fog early this morning. Patchy dense fog late this
morning.
.TONIGHT...W wind around 5 kt, backing to S after midnight. Seas
5 to 6 ft. Wave Detail: NW 6 ft at 10 seconds. Patchy dense fog
in the evening.
.MON...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at
4 seconds and NW 5 ft at 9 seconds.
.MON NIGHT...SW wind around 5 kt, backing to SE after midnight.
Seas around 4 ft. Wave Detail: NW 4 ft at 10 seconds.
.TUE...E wind around 5 kt, backing to NW around 5 kt in the
afternoon. Seas around 4 ft. Wave Detail: NW 4 ft at 10 seconds.
.TUE NIGHT...N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW
4 ft at 9 seconds.
.WED...N wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Seas 3 to 4 ft. Wave Detail: N 2 ft at 4 seconds and NW 3 ft at
9 seconds.
.WED NIGHT...N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: N 2 ft at 4 seconds and NW
3 ft at 8 seconds.
.THU...N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Seas 3 to 5 ft. Wave Detail: N 3 ft at 5 seconds, NW 3 ft at
8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N
3 ft at 5 seconds, W 2 ft at 10 seconds and SW 2 ft at
14 seconds.

$$

PZZ271-180615-
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM-
820 AM PDT Sun Aug 17 2025

.TODAY...W wind around 5 kt, backing to SW late this morning and
afternoon. Seas 6 to 7 ft. Wave Detail: W 7 ft at 10 seconds and
SW 2 ft at 14 seconds.
.TONIGHT...SW wind around 5 kt, backing to S after midnight. Seas
5 to 6 ft. Wave Detail: S 2 ft at 4 seconds, W 6 ft at 10 seconds
and SW 2 ft at 14 seconds. A slight chance of showers after
midnight.
.MON...S wind around 10 kt. Seas 5 to 6 ft. Wave Detail: S 2 ft
at 4 seconds, NW 5 ft at 10 seconds and SW 2 ft at 14 seconds. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
.MON NIGHT...S wind around 10 kt. Seas 4 to 6 ft. Wave Detail: S
2 ft at 4 seconds, W 5 ft at 10 seconds and S 2 ft at 15 seconds.
.TUE...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at
9 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...NW wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 9 seconds and SW 2 ft at 15 seconds.
.WED...N wind 5 to 10 kt. Seas around 4 ft. Wave Detail: N 2 ft
at 4 seconds, NW 3 ft at 9 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N
2 ft at 4 seconds, W 3 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at
5 seconds, W 2 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...N wind around 15 kt. Seas 3 to 4 ft. Wave Detail: N
3 ft at 5 seconds, W 2 ft at 10 seconds and SW 2 ft at
15 seconds.

$$

PZZ272-180615-
Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM-
820 AM PDT Sun Aug 17 2025

.TODAY...W wind around 5 kt. Seas 6 to 7 ft. Wave Detail: W 7 ft
at 10 seconds and SW 2 ft at 14 seconds.
.TONIGHT...SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: S
2 ft at 4 seconds, NW 6 ft at 10 seconds and SW 2 ft at
14 seconds. A slight chance of showers after midnight.
.MON...S wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: S 2 ft at
4 seconds, NW 5 ft at 9 seconds and SW 2 ft at 15 seconds. A
slight chance of showers.
.MON NIGHT...S wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: S
2 ft at 4 seconds, NW 5 ft at 10 seconds and S 2 ft at
15 seconds.
.TUE...S wind around 5 kt, veering to W in the afternoon. Seas
4 to 5 ft. Wave Detail: NW 4 ft at 9 seconds and SW 2 ft at
15 seconds.
.TUE NIGHT...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW
4 ft at 9 seconds and SW 2 ft at 15 seconds.
.WED...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 2 ft at
4 seconds, NW 4 ft at 9 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: N
3 ft at 5 seconds, NW 3 ft at 8 seconds and SW 2 ft at
15 seconds.
.THU...N wind around 15 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft
at 5 seconds, NW 2 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...N wind 15 to 20 kt. Seas around 4 ft. Wave Detail: N
3 ft at 6 seconds, W 2 ft at 10 seconds and SW 2 ft at
15 seconds.

$$

PZZ273-180615-
Waters from Cape Foulweather to Florence OR from 10 to 60 NM-
820 AM PDT Sun Aug 17 2025

.TODAY...S wind around 5 kt, veering to W this afternoon. Seas
6 to 7 ft. Wave Detail: NW 7 ft at 10 seconds and SW 2 ft at
14 seconds.
.TONIGHT...SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: S
2 ft at 4 seconds, NW 6 ft at 10 seconds and SW 2 ft at
14 seconds.
.MON...S wind around 10 kt. Seas 5 to 6 ft. Wave Detail: S 2 ft
at 4 seconds, NW 5 ft at 9 seconds and S 2 ft at 15 seconds. A
slight chance of showers in the morning.
.MON NIGHT...S wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: SW
2 ft at 4 seconds, NW 5 ft at 10 seconds and S 2 ft at
15 seconds.
.TUE...SE wind around 5 kt, veering to NW in the afternoon. Seas
4 to 5 ft. Wave Detail: NW 4 ft at 10 seconds and SW 2 ft at
15 seconds.
.TUE NIGHT...N wind 5 to 10 kt. Seas around 5 ft. Wave Detail: NW
4 ft at 9 seconds and SW 2 ft at 15 seconds.
.WED...N wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: N 2 ft at
4 seconds, NW 4 ft at 9 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: N
3 ft at 5 seconds, NW 3 ft at 8 seconds and SW 2 ft at
15 seconds.
.THU...N wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds, NW
2 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...N wind 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: N
3 ft at 6 seconds, NW 2 ft at 10 seconds and SW 2 ft at
15 seconds.

$$

PZZ210-180615-
Columbia River Bar-
820 AM PDT Sun Aug 17 2025

.IN THE MAIN CHANNEL...

.GENERAL SEAS...6 ft subsiding to 4 to 5 ft Monday afternoon.

.FIRST EBB...Ebb current of 2.12 kt at 1207 PM Sunday. Seas 6 ft.

.SECOND EBB...Ebb current of 5.11 kt at 1245 AM Monday. Seas 4 to
 5 ft.

.THIRD EBB...Ebb current of 2.08 kt at 126 PM Monday. Seas 4 to 5
 ft.

$$