422  
WHUS46 KEKA 280919  
CFWEKA  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
219 AM PDT FRI MAR 28 2025  
 
CAZ101-103-104-109-281200-  
/O.CON.KEKA.SU.Y.0003.000000T0000Z-250328T1200Z/  
COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST-SOUTHWESTERN HUMBOLDT-  
MENDOCINO COAST-  
219 AM PDT FRI MAR 28 2025  
 
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT EARLY THIS  
MORNING...  
 
* WHAT...LARGE BREAKING WAVES OF 20 TO 22 FEET.  
 
* WHERE...COASTAL DEL NORTE, NORTHERN HUMBOLDT COAST,  
SOUTHWESTERN HUMBOLDT AND MENDOCINO COAST COUNTIES.  
 
* WHEN...UNTIL 5 AM PDT EARLY THIS MORNING. .  
 
* IMPACTS...DANGEROUS SURF CONDITIONS AND LOCALIZED BEACH  
EROSION. BEACHCOMBING IS HIGHLY DISCOURAGED!.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
LARGE BREAKING WAVES ALONG THE COAST WILL LEAD TO INCREASED WAVE  
RUN-UP ON BEACHES WITH WAVES TOPPING AND WASHING OVER LARGE ROCKS  
AND JETTIES. THESE LARGE WAVES CAN BE ERRATIC AND UNPREDICTABLE.  
USE EXTRA CAUTION NEAR THE SURF ZONE AS THESE LARGE WAVES WILL BE  
CAPABLE OF SWEEPING PEOPLE INTO THE FRIGID AND TURBULENT OCEAN  
WATER. MARINERS TRAVERSING THE BAR ARE URGED TO EXERCISE EXTREME  
CAUTION OR STAY IN PORT UNTIL THE THREAT SUBSIDES. PLEASE CONTACT  
THE U.S. COAST GUARD FOR INFORMATION REGARDING HARBOR AND BAR  
CLOSURES.  
 

 
 

 
 
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