645  
WHUS76 KMFR 192208  
MWWMFR  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MEDFORD OR  
208 PM PST THU DEC 19 2024  
 
PZZ370-376-201115-  
/O.CON.KMFR.SC.Y.0109.000000T0000Z-241220T1500Z/  
/O.NEW.KMFR.GL.W.0043.241220T1500Z-241221T1800Z/  
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-  
208 PM PST THU DEC 19 2024  
   
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST FRIDAY  
 
...GALE WARNING IN EFFECT FROM 7 AM FRIDAY TO 10 AM PST  
SATURDAY...  
 
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTH WINDS 15 TO 25 KT  
WITH GUSTS UP TO 30 KT AND STEEP, SEAS 10 TO 14 FT DUE TO A MIX  
OF WIND SEAS AND MIXED WEST SWELL AT 11 AND 16 SECONDS. FOR THE  
GALE WARNING, SOUTH WINDS 30 TO 40 KT FRIDAY AND VERY STEEP  
SEAS OF 10 TO 16 FEET, INCREASING TO 35 TO 45 KT WITH GUSTS UP  
TO 50 KT ON SATURDAY AND VERY STEEP SEAS 15 TO 22 FT EXPECTED.  
VERY STEEP SEAS WILL BE A MIX OF SHORT PERIOD WIND SEAS AND WEST  
SWELL AT 14 TO 17 SECONDS.  
 
* WHERE...ALL THE AREA.  
 
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 7 AM PST FRIDAY.  
FOR THE GALE WARNING, FROM 7 AM FRIDAY TO 10 AM PST SATURDAY.  
 
* 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.  
 
 
 
 
 
PZZ350-356-201115-  
/O.EXT.KMFR.SC.Y.0109.000000T0000Z-241220T1800Z/  
/O.NEW.KMFR.SE.W.0062.241220T1800Z-241221T0600Z/  
/O.NEW.KMFR.GL.A.0024.241221T0600Z-241221T1800Z/  
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-  
208 PM PST THU DEC 19 2024  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM PST FRIDAY  
 
...HAZARDOUS SEAS WARNING IN EFFECT FROM 10 AM TO 10 PM PST  
FRIDAY...  
...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY  
MORNING...  
 
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTH WINDS 15 TO 25 KT  
WITH GUSTS UP TO 30 KT AND STEEP SEAS 8 TO 12 FT DUE TO A MIX OF  
SHORT PERIOD, WIND SEAS AND MIXED WEST SWELL AT 11 AND 16  
SECONDS. FOR THE HAZARDOUS SEAS WARNING, SOUTH WINDS 20 TO 30 KT  
AND VERY STEEP SEAS OF 9 TO 12 FEET. FOR THE GALE WATCH, SOUTH  
WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND VERY STEEP, SEAS 12  
TO 18 FT DUE TO A MIX OF SHORT PERIOD WIND SEAS AND WEST SWELL  
AT 17 SECONDS POSSIBLE.  
 
* WHERE...ALL THE AREA.  
 
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 10 AM PST FRIDAY.  
FOR THE HAZARDOUS SEAS WARNING, FROM 10 AM TO 10 PM PST  
FRIDAY. FOR THE GALE WATCH, FROM FRIDAY EVENING THROUGH  
SATURDAY MORNING.  
 
* IMPACTS...STRONG WINDS AND VERY STEEP SEAS COULD CAPSIZE OR  
DAMAGE VESSELS. LOW VISIBILITY CONDITIONS ARE POSSIBLE.  
 
* VIEW THE HAZARD AREA IN DETAIL AT HTTPS://GO.USA.GOV/X6HKS  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD CONSIDER ALTERING 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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