592  
FZUS52 KJAX 260001  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
801 PM EDT MON OCT 25 2021  
 
ATLANTIC COASTAL WATERS FROM ALTAMAHA SOUND GA TO FLAGLER BEACH FL  
OUT TO 60 NM.  
 
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST  
1/3 OF THE WAVES, ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE  
HIGHEST 1/10 OF THE WAVES.  
 
AMZ400-260945-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
801 PM EDT MON OCT 25 2021  
   
SYNOPSIS
 
 
A COLD FRONT WILL MOVE ACROSS THE LOCAL WATERS TONIGHT. HIGH  
PRESSURE WILL BUILD TO THE NORTHWEST TUESDAY THEN ACROSS THE  
LOCAL WATERS WEDNESDAY. A WARM FRONT WILL LIFT NORTH ACROSS THE  
WATERS LATE WEDNESDAY NIGHT. A COLD FRONT WILL APPROACH THURSDAY  
PRECEDED BY STRENGTHENING SOUTHERLY WINDS TO ADVISORY LEVELS AND  
THUNDERSTORMS. ADVISORY CONDITIONS ARE EXPECTED THROUGH FRIDAY,  
THEN WINDS DECREASE INTO THE WEEKEND AS HIGH PRESSURE BUILDS EAST  
ACROSS THE GULF COAST STATES.  
   
GULF STREAM
 
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
OCT 22, 2021 AT 1200 UTC...  
 
53 NAUTICAL MILES EAST OF FLAGLER BEACH.  
60 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
67 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.  
87 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.  
 

 
 
AMZ450-452-454-260945-  
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT  
20 NM-  
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT  
20 NM-  
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-  
801 PM EDT MON OCT 25 2021  
   
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS BECOMING WEST 10 TO  
15 KNOTS IN THE LATE EVENING AND OVERNIGHT. SEAS 3 TO 4 FEET WITH  
A DOMINANT PERIOD 6 SECONDS. A LIGHT CHOP ON THE INTRACOASTAL  
WATERS. SLIGHT CHANCE OF SHOWERS.    
TUESDAY
 
NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET WITH A DOMINANT  
PERIOD 7 SECONDS. CHOPPY ON THE INTRACOASTAL WATERS.    
TUESDAY NIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET  
WITH A DOMINANT PERIOD 7 SECONDS. A LIGHT CHOP ON THE  
INTRACOASTAL WATERS.    
WEDNESDAY
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST  
5 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. A MODERATE CHOP ON  
THE INTRACOASTAL WATERS.    
WEDNESDAY NIGHT
 
EAST WINDS 5 KNOTS BECOMING SOUTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. MOSTLY SMOOTH ON THE  
INTRACOASTAL WATERS. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT.    
THURSDAY
 
SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET. CHOPPY  
ON THE INTRACOASTAL WATERS. SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS.    
THURSDAY NIGHT
 
SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS 4 TO  
6 FEET. CHANCE OF SHOWERS.    
FRIDAY
 
WEST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET. SLIGHT  
CHANCE OF SHOWERS.    
FRIDAY NIGHT
 
WEST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET.    
SATURDAY
 
WEST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET.  
 

 
 
AMZ470-472-474-260945-  
WATERS FROM ALTAMAHA SOUND GA TO FERNANDINA BEACH FL FROM 20 TO  
60 NM-  
WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL FROM 20 TO 60 NM-  
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-  
801 PM EDT MON OCT 25 2021  
   
..SMALL CRAFT EXERCISE CAUTION
 
 
   
TONIGHT
 
SOUTHWEST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS IN THE EVENING, THEN BECOMING WEST 15 TO 20 KNOTS AFTER  
MIDNIGHT. SEAS 3 TO 5 FEET WITH A DOMINANT PERIOD 6 SECONDS.  
SLIGHT CHANCE OF SHOWERS.    
TUESDAY
 
NORTHWEST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET WITH A DOMINANT  
PERIOD 4 SECONDS.    
TUESDAY NIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET  
WITH A DOMINANT PERIOD 4 SECONDS.    
WEDNESDAY
 
NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET.    
WEDNESDAY NIGHT
 
EAST WINDS 5 KNOTS BECOMING SOUTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
THURSDAY
 
SOUTH WINDS 15 TO 20 KNOTS INCREASING TO 20 TO  
25 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET. SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS.    
THURSDAY NIGHT
 
SOUTHWEST WINDS 20 TO 25 KNOTS. SEAS 6 TO  
9 FEET. CHANCE OF SHOWERS.    
FRIDAY
 
WEST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET. CHANCE OF  
SHOWERS.    
FRIDAY NIGHT
 
WEST WINDS 20 TO 25 KNOTS DIMINISHING TO 15 TO  
20 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET.    
SATURDAY
 
WEST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.  
 

 
 
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