010  
WHUS76 KEKA 181556  
MWWEKA  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
856 AM PDT FRI SEP 18 2026  
 
PZZ455-190000-  
/O.CON.KEKA.SC.Y.0083.260919T0400Z-260920T0400Z/  
COASTAL WATERS FROM CAPE MENDOCINO TO PT. ARENA CA OUT 10 NM-  
856 AM PDT FRI SEP 18 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING  
TO 9 PM PDT SATURDAY...  
 
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND  
SEAS 4 TO 6 FEET EXPECTED.  
 
* WHERE...COASTAL WATERS FROM CAPE MENDOCINO TO PT. ARENA CA OUT  
10 NM.  
 
* WHEN...FROM 9 PM THIS EVENING TO 9 PM PDT SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
PZZ475-190000-  
/O.CON.KEKA.SC.Y.0083.260919T0000Z-260920T0400Z/  
WATERS FROM CAPE MENDOCINO TO PT. ARENA CA FROM 10 TO 60 NM-  
856 AM PDT FRI SEP 18 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS  
AFTERNOON TO 9 PM PDT SATURDAY...  
 
* WHAT...NORTH WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS  
5 TO 7 FEET EXPECTED.  
 
* WHERE...WATERS FROM CAPE MENDOCINO TO PT. ARENA CA FROM 10 TO  
60 NM.  
 
* WHEN...FROM 5 PM THIS AFTERNOON TO 9 PM PDT SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
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