389  
WHUS76 KMFR 210611  
MWWMFR  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MEDFORD OR  
1011 PM PST FRI DEC 20 2024  
 
PZZ370-376-212000-  
/O.EXP.KMFR.SE.W.0062.000000T0000Z-241221T0600Z/  
/O.CON.KMFR.GL.W.0044.000000T0000Z-241221T1800Z/  
/O.CON.KMFR.SE.W.0063.241221T1800Z-241222T1200Z/  
WATERS FROM FLORENCE TO CAPE BLANCO OR FROM 10 TO 60 NM-  
WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA FROM 10 TO 60 NM-  
1011 PM PST FRI DEC 20 2024  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY
 
 
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY  
TO 4 AM PST SUNDAY...  
 
* WHAT...FOR THE GALE WARNING, SOUTH WINDS 30 TO 40 KT WITH GUSTS  
UP TO 50 KT AND SEAS 17 TO 22 FT DUE TO A MIX OF SHORT PERIOD  
WIND SEAS AND BUILDING WEST SWELL AT 17 SECONDS. FOR THE  
HAZARDOUS SEAS WARNING, VERY STEEP AND HAZARDOUS SEAS 19 TO 22  
FT AT 15 SECONDS EXPECTED.  
 
* WHERE...ALL OF THE AREA.  
 
* WHEN...FOR THE GALE WARNING, UNTIL 10 AM PST SATURDAY. FOR THE  
HAZARDOUS SEAS WARNING, FROM 10 AM SATURDAY TO 4 AM PST SUNDAY.  
 
* IMPACTS...STRONG WINDS AND VERY STEEP SEAS COULD CAPSIZE OR  
DAMAGE VESSELS. LOW VISIBILITY CONDITIONS ARE EXPECTED.  
 
* VIEW THE HAZARD AREA IN DETAIL AT HTTPS://GO.USA.GOV/X6HKS  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID STRONG WINDS AND VERY STEEP  
SEAS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR  
SECURE THE VESSEL FOR SEVERE CONDITIONS.  
 

 
 

 
 
PZZ350-356-212000-  
/O.CON.KMFR.SE.W.0062.000000T0000Z-241221T0900Z/  
/O.CON.KMFR.GL.W.0043.241221T0900Z-241221T1800Z/  
/O.CON.KMFR.SE.W.0063.241221T1800Z-241222T1200Z/  
COASTAL WATERS FROM FLORENCE TO CAPE BLANCO OR OUT 10 NM-  
COASTAL WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA OUT 10 NM-  
1011 PM PST FRI DEC 20 2024  
 
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 1 AM PST  
SATURDAY...  
...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 10 AM PST  
SATURDAY...  
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY  
TO 4 AM PST SUNDAY...  
 
* WHAT...FOR THE FIRST HAZARDOUS SEAS WARNING, SOUTH WINDS 15 TO  
25 KT AND STEEP TO VERY STEEP AND HAZARDOUS SEAS 8 TO 12 FT AT  
11 TO 14 SECONDS. FOR THE GALE WARNING, SOUTH WINDS 25 TO 35 KT  
WITH GUSTS UP TO 45 KT AND VERY STEEP SEAS 12 TO 17 FT DUE TO A  
MIX OF SHORT PERIOD WIND SEAS AND BUILDING WEST SWELL AT 17  
SECONDS EXPECTED. FOR THE SECOND HAZARDOUS SEAS WARNING, VERY  
STEEP AND HAZARDOUS SEAS 16 TO 20 FT AT 15 SECONDS EXPECTED.  
 
* WHERE...VERY STEEP HAZARDOUS SEAS WILL AFFECT ALL OF THE AREA  
THIS EVENING. THEN ALL AREAS WILL BE AFFECTED BY GALES LATE  
TONIGHT THROUGH SATURDAY MORNING, FOLLOWED BY VERY STEEP  
HAZARDOUS SEAS SATURDAY AFTERNOON THROUGH EARLY SUNDAY.  
 
* WHEN...FOR THE HAZARDOUS SEAS WARNING, UNTIL 1 AM PST  
SATURDAY. FOR THE GALE WARNING, UNTIL 10 AM PST SATURDAY. FOR  
THE HAZARDOUS SEAS WARNING, FROM 10 AM SATURDAY TO 4 AM PST  
SUNDAY.  
 
* IMPACTS...STRONG WINDS AND VERY STEEP SEAS COULD CAPSIZE OR  
DAMAGE VESSELS. LOW VISIBILITY CONDITIONS ARE EXPECTED.  
 
* VIEW THE HAZARD AREA IN DETAIL AT HTTPS://GO.USA.GOV/X6HKS  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID STRONG WINDS AND VERY STEEP  
SEAS. REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR  
SECURE THE VESSEL FOR SEVERE CONDITIONS.  
 

 
 

 
 
VISIT US AT HTTPS://WWW.WEATHER.GOV/MEDFORD  
 
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