Coastal Waters Forecast
Issued by NWS Portland, OR
Issued by NWS Portland, OR
818 FZUS56 KPQR 182100 CWFPQR Coastal Waters Forecast National Weather Service Portland OR 200 PM PDT Mon Aug 18 2025 Coastal waters from Cape Shoalwater Washington to Florence Oregon and westward 60 NM PZZ200-191145- 200 PM PDT Mon Aug 18 2025 .SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST... Light southerly flow through Tuesday before surface high pressure building over the northeastern Pacific sees a shift to northerly flow by Tuesday night. Chances for diurnal gusts in excess of 20 kt increase Wednesday through Friday afternoons. $$ PZZ251-191145- Coastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 NM- 200 PM PDT Mon Aug 18 2025 .THIS AFTERNOON...S wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: S 2 ft at 4 seconds and W 5 ft at 10 seconds. .TONIGHT...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds. .TUE...S wind 5 to 10 kt, veering to SW in the afternoon. Seas around 4 ft. Wave Detail: W 4 ft at 9 seconds. .TUE NIGHT...NW wind around 5 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds. .WED...N wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds, NW 3 ft at 9 seconds and SW 2 ft at 15 seconds. .WED NIGHT...N wind 10 to 15 kt. Seas around 3 ft. Wave Detail: N 3 ft at 5 seconds and SW 2 ft at 15 seconds. .THU...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at 5 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds. .FRI...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at 4 seconds. .FRI NIGHT...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at 5 seconds. $$ PZZ252-191145- Coastal waters from Cape Falcon to Cape Foulweather OR out 10 NM- 200 PM PDT Mon Aug 18 2025 .THIS AFTERNOON...SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds. .TONIGHT...S wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 10 seconds. Patchy fog after midnight. .TUE...S wind around 5 kt, veering to W around 5 kt in the afternoon. Seas around 4 ft. Wave Detail: NW 4 ft at 9 seconds. Patchy fog in the morning. .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 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds and NW 3 ft at 9 seconds. .WED NIGHT...N wind 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds. .THU...N wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds. .THU NIGHT...N wind 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 6 seconds. .FRI...N wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds. .FRI NIGHT...N wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: N 5 ft at 5 seconds. $$ PZZ253-191145- Coastal waters from Cape Foulweather to Florence OR out 10 NM- 200 PM PDT Mon Aug 18 2025 .THIS AFTERNOON...SW wind 5 to 10 kt. Seas around 4 ft. Wave Detail: NW 4 ft at 10 seconds. .TONIGHT...S wind around 5 kt. Seas around 4 ft. Wave Detail: NW 4 ft at 10 seconds. Patchy fog. .TUE...SE wind around 5 kt, backing to NW around 5 kt in the afternoon. Seas around 4 ft. Wave Detail: NW 4 ft at 9 seconds. Patchy fog in the morning. .TUE NIGHT...N wind around 5 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 9 seconds. .WED...N wind around 5 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds and NW 3 ft at 9 seconds. .WED NIGHT...N wind 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: N 3 ft at 5 seconds. .THU...N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: N 4 ft at 6 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and SW 2 ft at 14 seconds. .FRI...N wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: N 4 ft at 4 seconds and SW 2 ft at 14 seconds. .FRI NIGHT...N wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: N 4 ft at 4 seconds. $$ PZZ271-191145- Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 NM- 200 PM PDT Mon Aug 18 2025 .THIS AFTERNOON...S wind around 10 kt. Seas 5 to 6 ft. Wave Detail: S 2 ft at 4 seconds, W 5 ft at 10 seconds and S 2 ft at 15 seconds. A slight chance of rain late. .TONIGHT...S wind around 10 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at 10 seconds and S 2 ft at 15 seconds. .TUE...SW 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 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds. .WED...N wind 5 to 10 kt. Seas 3 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 around 3 ft. Wave Detail: N 2 ft at 4 seconds and SW 2 ft at 15 seconds. .THU...N wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: N 4 ft at 5 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind around 15 kt. Seas 4 to 5 ft. Wave Detail: N 4 ft at 5 seconds and SW 2 ft at 15 seconds. .FRI...N wind around 15 kt. Seas 4 to 5 ft. Wave Detail: N 5 ft at 5 seconds and SW 2 ft at 15 seconds. .FRI NIGHT...N wind around 15 kt. Seas 4 to 5 ft. Wave Detail: N 5 ft at 5 seconds and SW 2 ft at 14 seconds. $$ PZZ272-191145- Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM- 200 PM PDT Mon Aug 18 2025 .THIS AFTERNOON...S wind around 10 kt. Seas 4 to 6 ft. Wave Detail: S 2 ft at 4 seconds, W 5 ft at 10 seconds and SW 2 ft at 15 seconds. .TONIGHT...S wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 10 seconds and S 2 ft at 15 seconds. Patchy fog after midnight. .TUE...S wind 5 to 10 kt, veering to SW in the afternoon. Seas 4 to 5 ft. Wave Detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds. Patchy fog in the morning. .TUE NIGHT...N wind around 5 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 9 seconds and SW 2 ft at 15 seconds. .WED...N wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: N 3 ft at 5 seconds, NW 4 ft at 9 seconds and SW 2 ft at 15 seconds. .WED NIGHT...N wind around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds and SW 2 ft at 15 seconds. .THU...N wind 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 6 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: N 5 ft at 6 seconds and SW 2 ft at 15 seconds. .FRI...N wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: N 5 ft at 6 seconds and SW 2 ft at 15 seconds. .FRI NIGHT...N wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: N 5 ft at 6 seconds and SW 2 ft at 14 seconds. $$ PZZ273-191145- Waters from Cape Foulweather to Florence OR from 10 to 60 NM- 200 PM PDT Mon Aug 18 2025 .THIS AFTERNOON...S wind around 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 15 seconds. .TONIGHT...S wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 10 seconds and S 2 ft at 15 seconds. Patchy fog. .TUE...S wind 5 to 10 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. Patchy fog in the morning. .TUE NIGHT...N 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, rising to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: N 3 ft at 5 seconds, NW 4 ft at 9 seconds and SW 2 ft at 15 seconds. .WED NIGHT...N wind around 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Wave Detail: N 3 ft at 5 seconds and SW 2 ft at 15 seconds. .THU...N wind 15 to 20 kt. Seas 3 to 5 ft. Wave Detail: N 5 ft at 7 seconds and SW 2 ft at 15 seconds. .THU NIGHT...N wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: N 5 ft at 7 seconds and SW 2 ft at 15 seconds. .FRI...N wind 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 6 seconds and SW 2 ft at 14 seconds. .FRI NIGHT...N wind 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: N 5 ft at 6 seconds and SW 2 ft at 14 seconds. $$ PZZ210-191145- Columbia River Bar- 200 PM PDT Mon Aug 18 2025 .IN THE MAIN CHANNEL... .GENERAL SEAS...3 to 5 ft subsiding to 2 to 4 ft Tuesday afternoon. .FIRST EBB...Ebb current of 5.31 kt at 153 AM Tuesday. Seas 4 to 6 ft. .SECOND EBB...Ebb current of 2.4 kt at 234 PM Tuesday. Seas 3 to 5 ft. .THIRD EBB...Strong ebb current of 5.61 kt at 254 AM Wednesday. Seas 3 to 5 ft. $$