354  
FZUS56 KSGX 211035  
CWFSGX  
 
COASTAL WATERS FORECAST FOR CALIFORNIA  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
235 AM PST SAT DEC 21 2024  
 
SAN MATEO POINT TO THE MEXICAN BORDER OUT 60 NM  
 
PZZ700-212330-  
235 AM PST SAT DEC 21 2024  
   
SYNOPSIS FOR THE FAR SOUTHERN CALIFORNIA COAST
 
 
AT 2 AM, A 1023 MB HIGH WAS OVER THE SOUTHERN CALIFORNIA COAST AND  
A WEAK TROUGH OF LOW PRESSURE TO 1019 MB WAS OVER THE GULF OF  
CALIFORNIA. THIS VERY WEAK ONSHORE FLOW WITH WEAK OFFSHORE FLOW  
OVERNIGHT WILL CONTINUE THROUGH SATURDAY, WITH ONSHORE FLOW STRENGTHENING  
FOR SUNDAY AND MONDAY, AND BECOMING EVEN STRONGER TUESDAY. PATCHY  
DENSE FOG WITH VISIBILITY DOWN TO 1 NM OR LESS REMAINS POSSIBLE  
THIS MORNING AND AGAIN EACH MORNING THROUGH AT LEAST TUESDAY. A  
SERIES LONG-PERIOD WESTERLY SWELLS OF 8 TO 11 FEET ARE EXPECTED  
SUNDAY THROUGH AT LEAST TUESDAY, ESPECIALLY IN THE OUTER COASTAL  
WATERS.  
 

 
 
PZZ750-212330-  
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT  
TO 30 NM-  
235 AM PST SAT DEC 21 2024  
   
TODAY
 
WIND VARIABLE LESS THAN 10 KT, BECOMING NW 10 KT THIS  
AFTERNOON. SEAS 3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS, W 3 FT  
AT 12 SECONDS AND S 1 FOOT AT 13 SECONDS.    
TONIGHT
 
NW WIND 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW 1 FOOT  
AT 4 SECONDS, S 1 FOOT AT 13 SECONDS AND W 4 FT AT 18 SECONDS.    
SUN
 
NW WIND 10 KT. SEAS 5 TO 8 FT. WAVE DETAIL: NW 1 FOOT AT  
4 SECONDS, S 1 FOOT AT 13 SECONDS AND W 7 FT AT 18 SECONDS.    
SUN NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 6 TO 8 FT. WAVE  
DETAIL: NW 1 FOOT AT 4 SECONDS, S 1 FOOT AT 12 SECONDS AND W 7 FT  
AT 17 SECONDS.    
MON
 
WIND VARIABLE LESS THAN 10 KT, BECOMING NW 10 KT IN THE  
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS, W  
6 FT AT 15 SECONDS AND S 1 FOOT AT 15 SECONDS.    
MON NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 5 TO 7 FT. WAVE  
DETAIL: NW 1 FOOT AT 4 SECONDS, S 1 FOOT AT 16 SECONDS AND W 6 FT  
AT 20 SECONDS.    
TUE
 
WIND VARIABLE LESS THAN 10 KT, BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS, S  
1 FOOT AT 15 SECONDS AND W 6 FT AT 20 SECONDS. A CHANCE OF  
SHOWERS IN THE AFTERNOON.    
TUE NIGHT
 
W WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W  
2 FT AT 4 SECONDS, S 1 FOOT AT 13 SECONDS AND W 5 FT AT  
18 SECONDS. A CHANCE OF SHOWERS.    
WED
 
NE WIND 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN  
10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS, W 5 FT  
AT 7 SECONDS AND S 1 FOOT AT 13 SECONDS.    
WED NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 5 TO 7 FT. WAVE  
DETAIL: NW 1 FOOT AT 4 SECONDS, S 1 FOOT AT 13 SECONDS AND W 6 FT  
AT 15 SECONDS.  
 

 
 
PZZ775-212330-  
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO  
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-  
235 AM PST SAT DEC 21 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE  
TUESDAY NIGHT...  
   
TODAY
 
NW WIND 10 KT EARLY THIS MORNING, BECOMING VARIABLE LESS  
THAN 10 KT, THEN BECOMING NW 10 KT THIS AFTERNOON. SEAS 3 TO  
5 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS, S 1 FOOT AT 13 SECONDS  
AND W 4 FT AT 17 SECONDS.    
TONIGHT
 
NW WIND 10 KT. SEAS 4 TO 6 FT, BUILDING TO 5 TO 8 FT  
AFTER MIDNIGHT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS, S 1 FOOT AT  
13 SECONDS AND W 6 FT AT 18 SECONDS.    
SUN
 
NW WIND 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 7 TO 10 FT.  
WAVE DETAIL: NW 1 FOOT AT 4 SECONDS, S 1 FOOT AT 13 SECONDS AND W  
9 FT AT 17 SECONDS.    
SUN NIGHT
 
NW WIND 10 TO 15 KT WITH GUSTS TO 20 KT. SEAS 7 TO  
10 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS, S 1 FOOT AT  
12 SECONDS AND W 9 FT AT 17 SECONDS.    
MON
 
NW WIND 10 KT. SEAS 6 TO 9 FT. WAVE DETAIL: NW 1 FOOT AT  
4 SECONDS, W 8 FT AT 15 SECONDS AND S 1 FOOT AT 15 SECONDS.    
MON NIGHT
 
NW WIND 10 KT. SEAS 7 TO 10 FT. WAVE DETAIL: NW  
1 FOOT AT 4 SECONDS, S 1 FOOT AT 16 SECONDS AND W 8 FT AT  
22 SECONDS.    
TUE
 
NW WIND 10 KT. SEAS 7 TO 10 FT. WAVE DETAIL: NW 2 FT AT  
4 SECONDS, S 1 FOOT AT 15 SECONDS AND W 8 FT AT 19 SECONDS. A  
SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS  
IN THE AFTERNOON.    
TUE NIGHT
 
W WIND 10 TO 15 KT, BECOMING NW 15 TO 20 KT AFTER  
MIDNIGHT. SEAS 7 TO 10 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS, S  
1 FOOT AT 13 SECONDS AND W 7 FT AT 18 SECONDS. A CHANCE OF  
SHOWERS, MAINLY IN THE EVENING.    
WED
 
NW WIND 10 KT. SEAS 6 TO 9 FT. WAVE DETAIL: NW 3 FT AT  
4 SECONDS, S 1 FOOT AT 13 SECONDS AND W 8 FT AT 16 SECONDS.    
WED NIGHT
 
NW WIND 10 KT IN THE EVENING, BECOMING VARIABLE LESS  
THAN 10 KT. SEAS 6 TO 9 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS, S  
1 FOOT AT 13 SECONDS AND W 7 FT AT 15 SECONDS.  
 

 
 
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