852  
WHUS76 KEKA 180439  
MWWEKA  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
939 PM PDT WED JUN 17 2026  
 
PZZ470-181000-  
/O.EXA.KEKA.SC.Y.0061.000000T0000Z-260618T1000Z/  
WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO CA FROM 10 TO 60 NM-  
939 PM PDT WED JUN 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT THURSDAY  
 
* WHAT...NORTH WINDS 20 TO 30 KT WITH LOCALIZED GUSTS TO 45 KT  
AND SEAS 10 TO 14 FEET.  
 
* WHERE...WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO CA FROM  
10 TO 60 NM.  
 
* WHEN...UNTIL 3 AM PDT THURSDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
PZZ450-181000-  
/O.CON.KEKA.SC.Y.0061.000000T0000Z-260618T1000Z/  
COASTAL WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO CA OUT 10 NM-  
939 PM PDT WED JUN 17 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT  
THURSDAY...  
 
* WHAT...STEEP SEAS 7 TO 9 FEET.  
 
* WHERE...COASTAL WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO  
CA OUT 10 NM.  
 
* WHEN...UNTIL 3 AM PDT THURSDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
PZZ475-181000-  
/O.CON.KEKA.SC.Y.0061.000000T0000Z-260618T1000Z/  
WATERS FROM CAPE MENDOCINO TO PT. ARENA CA FROM 10 TO 60 NM-  
939 PM PDT WED JUN 17 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT  
THURSDAY...  
 
* WHAT...NORTH WINDS 5 TO 15 KT WITH GUSTS TO 30 KT AND SEAS 8 TO  
10 FEET.  
 
* WHERE...WATERS FROM CAPE MENDOCINO TO PT. ARENA CA FROM 10 TO  
60 NM.  
 
* WHEN...UNTIL 3 AM PDT THURSDAY.  
 
* 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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