Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast
National Weather Service Portland OR
215 AM PDT Sat Aug 30 2025

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

PZZ200-310915-
215 AM PDT Sat Aug 30 2025

.SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
Southerly winds early this morning will back out of the north to
northwest by this afternoon, with light winds and seas of 2 to 4
ft continuing through Monday. Strengthening high pressure will
increase northerly winds midweek, with seas around 5 ft and 75 to
95% chances of gusts in excess of 20 kt by Wednesday across the
outer waters, conditions which may be hazardous to small craft.

$$

PZZ251-310915-
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out
10 NM-
215 AM PDT Sat Aug 30 2025

.TODAY...E wind around 5 kt, backing to NE late this morning and
early afternoon, backing to NW late. Seas around 2 ft or less. A
slight chance of showers.
.TONIGHT...N wind around 5 kt. Seas around 3 ft. Wave Detail: NW
2 ft at 10 seconds.
.SUN...NW wind around 5 kt. Seas around 3 ft. Wave Detail: NW
2 ft at 4 seconds, W 2 ft at 11 seconds and SW 2 ft at
17 seconds.
.SUN NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW
2 ft at 4 seconds, W 2 ft at 10 seconds and SW 2 ft at
16 seconds.
.MON...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: NW 2 ft
at 4 seconds, W 2 ft at 9 seconds and SW 2 ft at 17 seconds.
.MON NIGHT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N
2 ft at 4 seconds, W 2 ft at 9 seconds and SW 2 ft at 16 seconds.
.TUE...N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds, W 3 ft at
11 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N
4 ft at 5 seconds, W 3 ft at 14 seconds and SW 2 ft at
15 seconds.
.WED...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at
5 seconds, W 4 ft at 14 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N
4 ft at 5 seconds, W 4 ft at 13 seconds and SW 2 ft at
14 seconds.

$$

PZZ252-310915-
Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM-
215 AM PDT Sat Aug 30 2025

.TODAY...N wind around 5 kt, backing to NW late. Seas around 2 ft
or less. Wave Detail: N 2 ft at 4 seconds. Patchy fog early this
morning. A slight chance of showers until late afternoon.
.TONIGHT...N wind 5 to 10 kt. Seas around 2 ft or less, then
around 3 ft after midnight. Wave Detail: NW 2 ft at 11 seconds.
Patchy fog after midnight.
.SUN...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N 2 ft
at 4 seconds, W 2 ft at 11 seconds and SW 2 ft at 16 seconds.
Patchy dense fog in the morning.
.SUN NIGHT...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N
2 ft at 4 seconds, W 2 ft at 10 seconds and SW 2 ft at
16 seconds.
.MON...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at
4 seconds, W 2 ft at 10 seconds and SW 2 ft at 16 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N
3 ft at 4 seconds, W 2 ft at 9 seconds and SW 2 ft at 15 seconds.
.TUE...N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at
5 seconds, W 3 ft at 10 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...N wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 4 to 6 ft. Wave Detail: N 5 ft at 5 seconds, W
3 ft at 13 seconds and SW 2 ft at 15 seconds.
.WED...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at
4 seconds and W 4 ft at 14 seconds.
.WED NIGHT...N wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: N
4 ft at 5 seconds and W 4 ft at 13 seconds.

$$

PZZ253-310915-
Coastal waters from Cape Foulweather to Florence OR out 10 NM-
215 AM PDT Sat Aug 30 2025

.TODAY...N wind around 5 kt. Seas around 2 ft or less. A slight
chance of showers early this morning. Patchy fog this morning.
.TONIGHT...N wind around 5 kt. Seas around 2 ft or less, then
around 3 ft after midnight. Wave Detail: W 2 ft at 11 seconds and
SW 2 ft at 17 seconds. Patchy fog.
.SUN...N wind around 5 kt, rising to 5 to 10 kt in the afternoon.
Seas around 3 ft. Wave Detail: N 2 ft at 4 seconds, W 2 ft at
11 seconds and SW 2 ft at 16 seconds. Patchy fog in the morning.
.SUN NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N
2 ft at 4 seconds, W 2 ft at 10 seconds and SW 2 ft at
16 seconds.
.MON...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at
4 seconds, W 2 ft at 10 seconds and SW 2 ft at 17 seconds.
.MON NIGHT...N wind 5 to 10 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: N 3 ft at 4 seconds, W 2 ft at 9 seconds and
SW 2 ft at 15 seconds.
.TUE...N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Seas 3 to 5 ft. Wave Detail: N 4 ft at 5 seconds, W 3 ft at
10 seconds and SW 2 ft at 15 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 4 ft at 5 seconds, W
3 ft at 14 seconds and SW 2 ft at 15 seconds.
.WED...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 4 seconds, W 4 ft at
14 seconds and SW 2 ft at 14 seconds.
.WED 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
4 ft at 13 seconds.

$$

PZZ271-310915-
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM-
215 AM PDT Sat Aug 30 2025

.TODAY...E wind around 5 kt, backing to N around 5 kt late. Seas
around 2 ft or less. Wave Detail: W 2 ft at 10 seconds and S 2 ft
at 15 seconds. A slight chance of showers early this morning,
then a chance of showers late this morning. A slight chance of
showers early this afternoon.
.TONIGHT...N wind around 5 kt. Seas around 3 ft. Wave Detail: NW
2 ft at 10 seconds and SW 2 ft at 16 seconds.
.SUN...N wind around 5 kt. Seas around 3 ft. Wave Detail: NW 2 ft
at 4 seconds, W 2 ft at 11 seconds and SW 2 ft at 17 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas around 3 ft. Wave Detail:
NW 2 ft at 4 seconds, W 2 ft at 10 seconds and SW 2 ft at
17 seconds.
.MON...N wind around 5 kt. Seas around 3 ft. Wave Detail: N 2 ft
at 4 seconds, W 2 ft at 9 seconds and SW 2 ft at 17 seconds.
.MON NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N
2 ft at 4 seconds, W 2 ft at 9 seconds and SW 2 ft at 16 seconds.
.TUE...N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: N 4 ft at
5 seconds, W 3 ft at 12 seconds and SW 2 ft at 16 seconds.
.TUE NIGHT...N wind around 15 kt. Seas 5 to 6 ft. Wave Detail: N
4 ft at 5 seconds, W 3 ft at 14 seconds and SW 2 ft at
15 seconds.
.WED...N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: N 4 ft at
5 seconds, W 4 ft at 14 seconds and S 2 ft at 15 seconds.
.WED NIGHT...N wind around 15 kt. Seas around 6 ft. Wave Detail:
N 4 ft at 5 seconds, W 4 ft at 13 seconds and S 2 ft at
14 seconds.

$$

PZZ272-310915-
Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM-
215 AM PDT Sat Aug 30 2025

.TODAY...E wind around 5 kt, backing to N this afternoon. Seas
around 2 ft or less, then around 3 ft this afternoon. Wave
Detail: SW 2 ft at 15 seconds. Patchy fog early this morning. A
chance of showers this morning, then a slight chance of showers
early this afternoon.
.TONIGHT...N wind around 5 kt. Seas around 3 ft. Wave Detail: W
2 ft at 10 seconds and SW 2 ft at 17 seconds.
.SUN...N wind around 5 kt. Seas around 3 ft. Wave Detail: N 2 ft
at 4 seconds, W 2 ft at 11 seconds and SW 2 ft at 18 seconds.
Patchy dense fog in the morning.
.SUN NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N
2 ft at 4 seconds, W 2 ft at 10 seconds and SW 2 ft at
17 seconds.
.MON...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at
4 seconds, W 2 ft at 9 seconds and SW 2 ft at 17 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N
3 ft at 4 seconds, W 2 ft at 9 seconds and SW 2 ft at 16 seconds.
.TUE...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at
5 seconds, W 3 ft at 11 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...N wind around 15 kt. Seas 5 to 6 ft. Wave Detail: N
4 ft at 5 seconds, W 3 ft at 14 seconds and SW 2 ft at
15 seconds.
.WED...N wind around 15 kt. Seas 5 to 6 ft. Wave Detail: N 5 ft
at 6 seconds, W 4 ft at 14 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...N wind around 15 kt. Seas 5 to 6 ft. Wave Detail: N
5 ft at 6 seconds, W 4 ft at 13 seconds and SW 2 ft at
14 seconds.

$$

PZZ273-310915-
Waters from Cape Foulweather to Florence OR from 10 to 60 NM-
215 AM PDT Sat Aug 30 2025

.TODAY...NE wind around 5 kt, backing to NW late. Seas around
3 ft. Wave Detail: S 2 ft at 16 seconds. Patchy fog early this
morning. A chance of showers this morning, then a slight chance
of showers early this afternoon.
.TONIGHT...N wind around 5 kt. Seas around 3 ft. Wave Detail: NW
2 ft at 11 seconds and SW 2 ft at 17 seconds. Patchy fog after
midnight.
.SUN...N wind around 5 kt. Seas around 3 ft. Wave Detail: N 2 ft
at 4 seconds, NW 2 ft at 11 seconds and SW 2 ft at 18 seconds.
Patchy dense fog in the morning.
.SUN NIGHT...N wind 5 to 10 kt. Seas around 3 ft. Wave Detail: N
2 ft at 4 seconds, W 2 ft at 10 seconds and SW 2 ft at
17 seconds.
.MON...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at
4 seconds, W 2 ft at 9 seconds and SW 2 ft at 17 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas around 4 ft. Wave Detail: N
3 ft at 4 seconds, W 2 ft at 9 seconds and SW 2 ft at 16 seconds.
.TUE...N wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at
5 seconds, W 3 ft at 10 seconds and SW 2 ft at 15 seconds.
.TUE NIGHT...N wind around 15 kt. Seas 5 to 6 ft. Wave Detail: N
5 ft at 5 seconds, W 3 ft at 15 seconds and SW 2 ft at
15 seconds.
.WED...N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: N 4 ft at
5 seconds, NW 4 ft at 14 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...N wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: N
4 ft at 5 seconds, NW 4 ft at 13 seconds and S 2 ft at
15 seconds.

$$

PZZ210-310915-
Columbia River Bar-
215 AM PDT Sat Aug 30 2025

.IN THE MAIN CHANNEL...

.GENERAL SEAS...2 to 3 ft building to 3 to 4 ft Sunday morning.

.FIRST EBB...Ebb current of 2.17 kt at 934 AM Saturday. Seas 2 to
 3 ft.

.SECOND EBB...Ebb current of 3.79 kt at 1016 PM Saturday. Seas 3
 to 4 ft.

.THIRD EBB...Ebb current of 1.63 kt at 1040 AM Sunday. Seas 3 to 4
 ft.

$$