239  
FZPN24 KWNM 201758  
OFFN09  
 
NAVTEX MARINE FORECAST FOR WASHINGTON AND OREGON WATERS  
NWS OCEAN PREDICTION CENTER WASHINGTON DC  
1058 AM PDT WED AUG 20 2025  
 
CONDITIONS GIVEN REPRESENT THE HIGHEST WITHIN THAT PERIOD.  
 
...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE  
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED COASTAL  
WATERS FORECASTS...  
   
SYNOPSIS
 
A WEAKENING STATIONARY FRONT ALONG THE OUTER OREGON  
WATERS WILL DISSIPATE EARLY TODAY AS HIGH PRESSURE BUILDS IN OVER  
THE WATERS TODAY THROUGH THU. THE HIGH WILL GRADUALLY WEAKEN THU  
INTO FRI BEFORE GRADUALLY SHIFTING W OF THE WATERS THROUGH SUN  
NIGHT. OTHERWISE A COASTAL TROUGH WILL DEVELOP OVER OREGON AND  
PERSIST INTO SAT NIGHT. A COLD FRONT WILL APPROACH THE WATERS  
FROM THE NW SAT BEFORE DISSIPATING W OF THE REGION SAT NIGHT. SUN  
INTO SUN NIGHT A COASTAL TROUGH WILL DEVELOP ALONG VANCOUVER  
ISLAND.  
 
CANADIAN BORDER TO 45N  
   
TODAY
 
N WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
TONIGHT
 
N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
N WINDS 15 TO 25 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
N WINDS 15 TO 25 KT. SEAS 4 TO 7 FT.    
FRI
 
N TO NW WINDS 10 TO 20 KT. SEAS 4 TO 7 FT.    
FRI NIGHT
 
N TO NW WINDS 10 TO 20 KT. SEAS 4 TO 8 FT.    
SAT
 
N TO NW WINDS 10 TO 20 KT. SEAS 4 TO 8 FT.    
SAT NIGHT
 
NW WINDS 15 TO 25 KT. SEAS 5 TO 8 FT.    
SUN
 
N TO NW WINDS 15 TO 25 KT. SEAS 5 TO 9 FT.    
SUN NIGHT
 
NW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.  
 
45N TO POINT SAINT GEORGE  
   
TODAY
 
N WINDS 20 TO 30 KT. SEAS 4 TO 7 FT.    
TONIGHT
 
N WINDS 20 TO 30 KT. SEAS 6 TO 9 FT.    
THU
 
N WINDS 20 TO 30 KT. SEAS 6 TO 9 FT.    
THU NIGHT
 
N WINDS 20 TO 30 KT. SEAS 7 TO 10 FT.   
FRI
 
N WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.    
FRI NIGHT
 
N WINDS 15 TO 25 KT. SEAS 4 TO 7 FT.    
SAT
 
N WINDS 15 TO 25 KT. SEAS 5 TO 8 FT.    
SAT NIGHT
 
N WINDS 20 TO 30 KT. SEAS 5 TO 8 FT.    
SUN
 
N WINDS 15 TO 25 KT. SEAS 5 TO 8 FT.    
SUN NIGHT
 
N WINDS 20 TO 30 KT. SEAS 5 TO 9 FT.  
 
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