839  
WHUS76 KEKA 190405  
MWWEKA  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
905 PM PDT SUN MAY 18 2025  
 
PZZ475-191215-  
/O.CON.KEKA.SC.Y.0058.000000T0000Z-250519T1000Z/  
/O.CON.KEKA.GL.A.0023.250520T1600Z-250521T0400Z/  
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-  
905 PM PDT SUN MAY 18 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY  
 
...GALE WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH  
TUESDAY EVENING...  
 
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTHWEST WINDS 10 TO 20  
KT WITH GUSTS UP TO 30 KT AND SEAS 6 TO 9 FEET. FOR THE GALE  
WATCH, NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 35 KT AND SEAS  
11 TO 13 FEET POSSIBLE.  
 
* WHERE...CAPE MENDOCINO TO PT ARENA 10 TO 60 NM.  
 
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 3 AM PDT MONDAY.  
FOR THE GALE WATCH, FROM TUESDAY MORNING THROUGH TUESDAY  
EVENING.  
 
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD CONSIDER ALTERING PLANS TO AVOID POSSIBLE  
HAZARDOUS CONDITIONS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER  
COURSE, AND/OR SECURE THE VESSEL FOR SEVERE WIND AND SEAS.  
 
 
 
 
 
PZZ455-191000-  
/O.CON.KEKA.SC.Y.0057.000000T0000Z-250519T1000Z/  
CAPE MENDOCINO TO PT ARENA OUT 10 NM-  
905 PM PDT SUN MAY 18 2025  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY  
 
* WHAT...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
SEAS 6 TO 9 FEET.  
 
* WHERE...CAPE MENDOCINO TO PT ARENA OUT 10 NM.  
 
* WHEN...UNTIL 3 AM PDT MONDAY.  
 
* 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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