675  
WHUS76 KEKA 180356  
MWWEKA  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
856 PM PDT SUN MAY 17 2026  
 
PZZ450-181000-  
/O.CON.KEKA.GL.W.0015.000000T0000Z-260518T1000Z/  
COASTAL WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO CA OUT 10 NM-  
856 PM PDT SUN MAY 17 2026  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY  
 
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS TO 40 KT AND SEAS 8  
TO 13 FEET.  
 
* WHERE...COASTAL WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO  
CA OUT 10 NM.  
 
* WHEN...UNTIL 3 AM PDT MONDAY.  
 
* 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.  
 
 
 
 
 
PZZ455-181000-  
/O.CON.KEKA.GL.W.0015.000000T0000Z-260518T1000Z/  
COASTAL WATERS FROM CAPE MENDOCINO TO PT. ARENA CA OUT 10 NM-  
856 PM PDT SUN MAY 17 2026  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT MONDAY  
 
* WHAT...NORTH WINDS 15 TO 25 KT WITH GUSTS TO 35 KT AND SEAS 10  
TO 15 FEET.  
 
* WHERE...COASTAL WATERS FROM CAPE MENDOCINO TO PT. ARENA CA OUT  
10 NM.  
 
* WHEN...UNTIL 3 AM PDT MONDAY.  
 
* 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.  
 
 
 
 
 
PZZ470-181200-  
/O.CON.KEKA.GL.W.0015.000000T0000Z-260520T1000Z/  
WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO CA FROM 10 TO 60 NM-  
856 PM PDT SUN MAY 17 2026  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY  
 
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS TO 40 KT AND SEAS 9  
TO 14 FEET.  
 
* WHERE...WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO CA FROM  
10 TO 60 NM.  
 
* WHEN...UNTIL 3 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.  
 
 
 
 
 
PZZ475-181200-  
/O.CON.KEKA.GL.W.0015.000000T0000Z-260520T1000Z/  
WATERS FROM CAPE MENDOCINO TO PT. ARENA CA FROM 10 TO 60 NM-  
856 PM PDT SUN MAY 17 2026  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY  
 
* WHAT...NORTH WINDS 20 TO 30 KT WITH GUSTS TO 40 KT AND SEAS 10  
TO 14 FEET.  
 
* WHERE...WATERS FROM CAPE MENDOCINO TO PT. ARENA CA FROM 10 TO  
60 NM.  
 
* WHEN...UNTIL 3 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.  
 
 
 
 
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