193  
FZUS56 KSGX 202051  
CWFSGX  
 
COASTAL WATERS FORECAST FOR CALIFORNIA  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
1251 PM PST TUE JAN 20 2026  
 
SAN MATEO POINT TO THE MEXICAN BORDER OUT 60 NM  
 
PZZ700-210945-  
1251 PM PST TUE JAN 20 2026  
   
SYNOPSIS FOR THE FAR SOUTHERN CALIFORNIA COAST
 
 
AT 1 PM, A 1027 MB HIGH WAS WAS 450 NAUTICAL MILES WEST OF SAN  
FRANCISCO, A 1033 MB HIGH WAS OVER SOUTHWEST IDAHO, AND A 1017 MB  
LOW COVERED THE SOUTHERN CALIFORNIA BIGHT. WEAK OFFSHORE FLOW THIS  
AFTERNOON BECOMES WEAKLY EASTERLY TO SOUTHEASTERLY OVERNIGHT.  
WEAK ONSHORE FLOW THURSDAY WILL STRENGTHEN FROM THE NORTHWEST  
FRIDAY AND WEAKEN SATURDAY. PATCHY DENSE FOG WITH VISIBILITIES AT  
OR LESS THAN 1 NAUTICAL MILE IS POSSIBLE OVER THE WATERS THIS  
AFTERNOON THROUGH WEDNESDAY MORNING.  
 

 
 
PZZ740-210945-  
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT  
TO 10 NM-  
1251 PM PST TUE JAN 20 2026  
   
TONIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 2 FT OR LESS. WAVE  
DETAIL: S 1 FOOT AT 11 SECONDS AND W 2 FT AT 13 SECONDS.    
WED...WIND VARIABLE LESS THAN 10 KT. SEAS 2 FT OR LESS
 
 
BECOMING 3 FT IN THE AFTERNOON. SW 1 FOOT AT 4 SECONDS, W 2 FT AT  
15 SECONDS AND SW 1 FOOT AT 17 SECONDS. VSBY 2 NM IN THE MORNING.   
WED NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE  
DETAIL: W 2 FT AT 15 SECONDS AND SW 1 FOOT AT 16 SECONDS.    
THU
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE DETAIL: SW  
1 FOOT AT 4 SECONDS, W 2 FT AT 14 SECONDS AND SW 1 FOOT AT  
15 SECONDS. A SLIGHT CHANCE OF SHOWERS.    
THU NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 2 FT OR LESS.  
WAVE DETAIL: W 2 FT AT 12 SECONDS AND SW 1 FOOT AT 15 SECONDS. A  
CHANCE OF SHOWERS.    
FRI...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 2 FT OR LESS. WAVE DETAIL: W 1 FOOT AT 4 SECONDS,  
W 2 FT AT 12 SECONDS AND SW 1 FOOT AT 14 SECONDS. A CHANCE OF  
SHOWERS.    
FRI NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 2 FT OR LESS.  
WAVE DETAIL: W 1 FOOT AT 4 SECONDS, W 2 FT AT 12 SECONDS AND SW  
1 FOOT AT 14 SECONDS. A SLIGHT CHANCE OF SHOWERS.    
SAT...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 2 FT OR LESS. WAVE DETAIL: E 1 FOOT AT 4 SECONDS,  
W 2 FT AT 9 SECONDS AND SW 1 FOOT AT 13 SECONDS. A SLIGHT CHANCE  
OF SHOWERS IN THE MORNING.    
SAT NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE  
DETAIL: NW 1 FOOT AT 4 SECONDS, SW 1 FOOT AT 13 SECONDS AND W  
2 FT AT 15 SECONDS.    
SUN...WIND VARIABLE LESS THAN 10 KT
 
BECOMING NW 10 KT IN THE  
AFTERNOON. SEAS 3 FT IN THE MORNING...BECOMING 2 FT OR LESS. WAVE  
DETAIL: NE 1 FOOT AT 4 SECONDS, S 1 FOOT AT 14 SECONDS AND W 2 FT  
AT 15 SECONDS...SUBSIDING TO N 1 FOOT AT 4 SECONDS, W 2 FT AT  
14 SECONDS AND SW 1 FOOT AT 14 SECONDS.    
SUN NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT IN THE  
EVENING...BECOMING 2 FT OR LESS. WAVE DETAIL: NW 1 FOOT AT  
4 SECONDS, W 2 FT AT 14 SECONDS AND S 1 FOOT AT 15 SECONDS...  
SUBSIDING TO NE 1 FOOT AT 4 SECONDS, W 2 FT AT 14 SECONDS AND S  
1 FOOT AT 15 SECONDS.  
 

 
 
PZZ745-210945-  
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 10 TO  
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-  
1251 PM PST TUE JAN 20 2026  
   
TONIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE DETAIL:  
S 1 FOOT AT 11 SECONDS AND W 2 FT AT 13 SECONDS.   
WED
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: SW 1 FOOT AT 4 SECONDS, W 3 FT AT 13 SECONDS AND S 1 FOOT  
AT 17 SECONDS. VSBY 2 NM IN THE MORNING.    
WED NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: W 3 FT AT 15 SECONDS AND S 1 FOOT AT 16 SECONDS.    
THU
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: W 3 FT AT 14 SECONDS AND S 1 FOOT AT 15 SECONDS. A SLIGHT  
CHANCE OF SHOWERS.    
THU NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE  
DETAIL: W 1 FOOT AT 4 SECONDS, W 2 FT AT 12 SECONDS AND S 1 FOOT  
AT 15 SECONDS. A SLIGHT CHANCE OF SHOWERS.    
FRI
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE DETAIL: NW  
1 FOOT AT 4 SECONDS, W 2 FT AT 12 SECONDS AND S 1 FOOT AT  
14 SECONDS. A SLIGHT CHANCE OF SHOWERS.    
FRI NIGHT
 
WIND W 10 KT. SEAS 3 FT. WAVE DETAIL: W 1 FOOT AT  
4 SECONDS, W 2 FT AT 12 SECONDS AND S 1 FOOT AT 14 SECONDS. A  
SLIGHT CHANCE OF SHOWERS.    
SAT...WIND NW 10 KT IN THE MORNING
 
BECOMING VARIABLE LESS THAN  
10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS, S  
1 FOOT AT 13 SECONDS AND W 3 FT AT 15 SECONDS.    
SAT NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: NW 1 FOOT AT 4 SECONDS, S 1 FOOT AT 13 SECONDS AND W 3 FT  
AT 15 SECONDS.    
SUN
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE DETAIL: NE  
1 FOOT AT 4 SECONDS, S 1 FOOT AT 14 SECONDS AND W 3 FT AT  
15 SECONDS.    
SUN NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE  
DETAIL: NW 1 FOOT AT 4 SECONDS, W 2 FT AT 14 SECONDS AND S 1 FOOT  
AT 15 SECONDS.  
 

 
 
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