917  
WHUS76 KEKA 241642  
MWWEKA  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
842 AM PST TUE FEB 24 2026  
 
PZZ455-242300-  
/O.CAN.KEKA.GL.W.0009.000000T0000Z-260224T1800Z/  
/O.EXB.KEKA.SE.W.0006.000000T0000Z-260224T1900Z/  
/O.UPG.KEKA.SE.A.0004.260224T1800Z-260224T2300Z/  
CAPE MENDOCINO TO PT ARENA OUT 10 NM-  
842 AM PST TUE FEB 24 2026  
 
...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 11 AM PST THIS  
MORNING...  
 
* WHAT...VERY STEEP AND HAZARDOUS SEAS 8 TO 10 FEET.  
 
* WHERE...CAPE MENDOCINO TO PT ARENA OUT 10 NM.  
 
* WHEN...UNTIL 11 AM PST THIS MORNING.  
 
* IMPACTS...VERY STEEP AND HAZARDOUS SEAS COULD CAPSIZE OR CAUSE  
DAMAGE TO VESSELS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
RECREATIONAL BOATERS SHOULD REMAIN IN PORT. COMMERCIAL VESSELS  
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT  
UNTIL HAZARDOUS SEAS SUBSIDE.  
 

 
 

 
 
PZZ450-470-475-241900-  
/O.EXT.KEKA.SE.W.0006.000000T0000Z-260224T1900Z/  
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-  
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-  
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-  
842 AM PST TUE FEB 24 2026  
 
...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 11 AM PST THIS  
MORNING...  
 
* WHAT...VERY STEEP AND HAZARDOUS SEAS 9 TO 12 FEET.  
 
* WHERE...PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM, PT ST GEORGE  
TO CAPE MENDOCINO 10 TO 60 NM AND CAPE MENDOCINO TO PT ARENA  
10 TO 60 NM.  
 
* WHEN...UNTIL 11 AM PST THIS MORNING.  
 
* IMPACTS...VERY STEEP AND HAZARDOUS SEAS COULD CAPSIZE OR CAUSE  
DAMAGE TO VESSELS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
RECREATIONAL BOATERS SHOULD REMAIN IN PORT. COMMERCIAL VESSELS  
SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT  
UNTIL HAZARDOUS SEAS SUBSIDE.  
 

 
 

 
 
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