201  
WHUS76 KPQR 230420  
MWWPQR  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE PORTLAND OR  
920 PM PDT SUN APR 22 2018  
 
PZZ250-270-230530-  
/O.EXP.KPQR.SI.Y.0058.000000T0000Z-180423T0400Z/  
COASTAL WATERS FROM CAPE SHOALWATER WA TO CASCADE HEAD OR OUT  
10 NM-  
WATERS FROM CAPE SHOALWATER WA TO CASCADE HEAD OR FROM 10 TO  
60 NM-  
920 PM PDT SUN APR 22 2018  
   
..SMALL CRAFT ADVISORY FOR WINDS HAS EXPIRED
 
 
LOCAL GUSTS AROUND 21 KT WILL EASE BY MIDNIGHT.  
 

 
 
PZZ275-231000-  
/O.CON.KPQR.SI.Y.0057.000000T0000Z-180423T1000Z/  
/O.CON.KPQR.SW.Y.0038.000000T0000Z-180423T0600Z/  
WATERS FROM CASCADE HEAD TO FLORENCE OR FROM 10 TO 60 NM-  
920 PM PDT SUN APR 22 2018  
 
...SMALL CRAFT ADVISORY FOR WINDS REMAINS IN EFFECT UNTIL 3 AM  
PDT MONDAY...  
...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS REMAINS IN EFFECT  
UNTIL 11 PM PDT THIS EVENING...  
 
* WINDS...NORTH 15 TO 20 KT WITH GUSTS TO 25 KT.  
 
* SEAS...COMBINED SEAS 8 TO 10 FT WITH DOMINANT PERIOD OF 9 TO 12  
SECONDS.  
 
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.  
 

 
 

 
 
PZZ255-231000-  
/O.CON.KPQR.SI.Y.0058.000000T0000Z-180423T1000Z/  
/O.CON.KPQR.SW.Y.0038.000000T0000Z-180423T0600Z/  
COASTAL WATERS FROM CASCADE HEAD TO FLORENCE OR OUT 10 NM-  
920 PM PDT SUN APR 22 2018  
 
...SMALL CRAFT ADVISORY FOR WINDS REMAINS IN EFFECT UNTIL 3 AM  
PDT MONDAY...  
...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS REMAINS IN EFFECT  
UNTIL 11 PM PDT THIS EVENING...  
 
* WINDS...NORTH 15 TO 20 KT WITH GUSTS TO 25 KT.  
 
* SEAS...COMBINED SEAS 8 TO 10 FT WITH DOMINANT PERIOD OF 9 TO 12  
SECONDS.  
 
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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