730  
WHUS76 KEKA 200912  
MWWEKA  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
212 AM PDT TUE MAY 20 2025  
 
PZZ475-201715-  
/O.CON.KEKA.SC.Y.0059.000000T0000Z-250520T1900Z/  
/O.CON.KEKA.GL.W.0028.250520T1900Z-250521T1000Z/  
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-  
212 AM PDT TUE MAY 20 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT TODAY
 
 
...GALE WARNING REMAINS IN EFFECT FROM NOON TODAY TO 3 AM PDT  
WEDNESDAY...  
 
* WHAT...FOR THE GALE WARNING, NORTHWEST WINDS 20 TO 30 KT WITH  
GUSTS UP TO 40 KT AND SEAS 10 TO 13 FEET EXPECTED. FOR THE  
SMALL CRAFT ADVISORY, NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO  
30 KT AND SEAS 6 TO 9 FEET.  
 
* WHERE...CAPE MENDOCINO TO PT ARENA 10 TO 60 NM.  
 
* WHEN...FOR THE GALE WARNING, FROM NOON TODAY TO 3 AM PDT  
WEDNESDAY. FOR THE SMALL CRAFT ADVISORY, UNTIL NOON PDT TODAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR SEVERE CONDITIONS.  
 

 
 

 
 
PZZ450-201715-  
/O.CON.KEKA.SC.Y.0059.250520T2200Z-250521T1000Z/  
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-  
212 AM PDT TUE MAY 20 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS  
AFTERNOON TO 3 AM PDT WEDNESDAY...  
 
* WHAT...NORTH WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS  
8 TO 11 FEET EXPECTED.  
 
* WHERE...PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM.  
 
* WHEN...FROM 3 PM THIS AFTERNOON TO 3 AM PDT WEDNESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
PZZ455-201715-  
/O.CON.KEKA.SC.Y.0059.000000T0000Z-250522T0400Z/  
CAPE MENDOCINO TO PT ARENA OUT 10 NM-  
212 AM PDT TUE MAY 20 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT  
WEDNESDAY...  
 
* WHAT...NORTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND  
SEAS 8 TO 13 FEET.  
 
* WHERE...CAPE MENDOCINO TO PT ARENA OUT 10 NM.  
 
* WHEN...UNTIL 9 PM PDT WEDNESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
PZZ470-201715-  
/O.CON.KEKA.SC.Y.0059.250520T1900Z-250522T0400Z/  
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-  
212 AM PDT TUE MAY 20 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM  
PDT WEDNESDAY...  
 
* WHAT...NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS  
9 TO 11 FEET EXPECTED.  
 
* WHERE...PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM.  
 
* WHEN...FROM NOON TODAY TO 9 PM PDT WEDNESDAY.  
 
* 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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