231  
WHUS76 KPQR 260930  
MWWPQR  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PORTLAND OR  
230 AM PDT WED APR 26 2017  
 
PZZ210-261730-  
/O.CON.KPQR.RB.Y.0096.170426T1000Z-170426T1400Z/  
/O.CON.KPQR.RB.Y.0097.170426T2300Z-170427T0300Z/  
COLUMBIA RIVER BAR-  
230 AM PDT WED APR 26 2017  
 
...SMALL CRAFT ADVISORY FOR ROUGH BAR REMAINS IN EFFECT UNTIL  
7 AM PDT THIS MORNING...  
...SMALL CRAFT ADVISORY FOR ROUGH BAR REMAINS IN EFFECT FROM 4 PM  
THIS AFTERNOON TO 8 PM PDT THIS EVENING...  
 
* IN THE MAIN CHANNEL...  
 
* GENERAL SEAS...5 TO 7 FT.  
 
* FIRST EBB...AROUND 515 AM. SEAS NEAR 9 FT WITH BREAKERS LIKELY DURING  
THE VERY STRONG EBB.  
 
* SECOND EBB...AROUND 545 PM. SEAS NEAR 10 FT WITH BREAKERS  
POSSIBLE DURING THE EBB.  
 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY FOR ROUGH BAR MEANS THAT WAVE CONDITIONS  
ARE EXPECTED TO BE HAZARDOUS TO SMALL CRAFT IN OR NEAR HARBOR  
ENTRANCES.  
 

 
 

 
 
PZZ250-255-270-275-261200-  
/O.CON.KPQR.SW.Y.0045.000000T0000Z-170426T1200Z/  
COASTAL WATERS FROM CAPE SHOALWATER WA TO CASCADE HEAD OR OUT  
10 NM-COASTAL WATERS FROM CASCADE HEAD TO FLORENCE OR OUT 10 NM-  
WATERS FROM CAPE SHOALWATER WA TO CASCADE HEAD OR FROM 10 TO  
60 NM-WATERS FROM CASCADE HEAD TO FLORENCE OR FROM 10 TO 60 NM-  
230 AM PDT WED APR 26 2017  
 
...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS REMAINS IN EFFECT  
UNTIL 5 AM PDT EARLY THIS MORNING...  
 
* SEAS...AROUND 8 FT. SEAS WILL REMAIN SQUARE WITH A PERIOD OF 8  
SECONDS EARLY THIS MORNING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A SMALL CRAFT ADVISORY FOR WIND MEANS THAT WIND SPEEDS OF 21 TO  
33 KNOTS ARE EXPECTED. INEXPERIENCED MARINERS...ESPECIALLY THOSE  
OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE  
CONDITIONS.  
 
A SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS MEANS THAT WAVES ARE  
EXPECTED TO BE HAZARDOUS TO SMALL CRAFT. MARINERS SHOULD AVOID  
SHOALING AREAS. LONG PERIOD SWELL CAN SHARPEN INTO LARGE BREAKING  
WAVES IN SHOALING AREAS. IT IS NOT UNUSUAL FOR WAVES TO BREAK  
MUCH FARTHER FROM SHOALING AREAS THAN IS NORMALLY EXPERIENCED.  
REMEMBER...BREAKING WAVES CAN EASILY CAPSIZE EVEN LARGER VESSELS.  
 

 
 

 
 
HTTP://WWW.WEATHER.GOV/PORTLAND  
 
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