117  
WHUS76 KEKA 122157  
MWWEKA  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
257 PM PDT MON APR 12 2021  
 
PZZ470-475-130600-  
/O.EXT.KEKA.GL.W.0021.000000T0000Z-210414T1100Z/  
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-  
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-  
257 PM PDT MON APR 12 2021  
   
..GALE WARNING NOW IN EFFECT UNTIL 4 AM PDT WEDNESDAY
 
 
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND SEAS  
11 TO 14 FEET.  
 
* WHERE...PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM AND CAPE  
MENDOCINO TO PT ARENA 10 TO 60 NM.  
 
* WHEN...UNTIL 4 AM PDT WEDNESDAY.  
 
* 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.  
 

 
 

 
 
PZZ450-130600-  
/O.EXT.KEKA.SE.W.0027.000000T0000Z-210414T1100Z/  
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-  
257 PM PDT MON APR 12 2021  
 
...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 4 AM PDT  
WEDNESDAY...  
 
* WHAT...VERY STEEP AND HAZARDOUS SEAS 6 TO 11 FEET.  
 
* WHERE...PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM.  
 
* WHEN...UNTIL 4 AM PDT WEDNESDAY.  
 
* 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.  
 

 
 

 
 
PZZ455-130600-  
/O.EXT.KEKA.SC.Y.0044.000000T0000Z-210414T1100Z/  
CAPE MENDOCINO TO PT ARENA OUT 10 NM-  
257 PM PDT MON APR 12 2021  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM PDT WEDNESDAY
 
 
* WHAT...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND  
SEAS 7 TO 12 FEET.  
 
* WHERE...CAPE MENDOCINO TO PT ARENA OUT 10 NM.  
 
* WHEN...UNTIL 4 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.  
 

 
 

 
 
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