173  
FZUS52 KJAX 250007  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
807 PM EDT THU SEP 24 2020  
 
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.  
 
AMZ400-250915-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
807 PM EDT THU SEP 24 2020  
   
SYNOPSIS
 
 
WAVE HEIGHTS WILL REMAIN ELEVATED WITH SOUTHEAST WINDS AT 15 TO 20  
KNOTS TONIGHT. WINDS AND SEAS WILL DECREASE THIS WEEKEND AND THEN  
INCREASE AGAIN NEXT WEEK. A MORE ACTIVE PATTERN FOR SHOWERS AND  
THUNDERSTORMS IS SETTING UP AS A SERIES OF COLD FRONTS ROLL ACROSS  
THE COASTAL WATERS THE NEXT FEW DAYS, WITH THE STRONGEST FRONT ON  
TUESDAY. CHANCE OF SHOWERS AND THUNDERSTORMS ANTICIPATED THROUGH  
TUESDAY.  
 
   
GULF STREAM
 
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
SEP 22, 2020 AT 1200 UTC...  
 
56 NAUTICAL MILES EAST OF FLAGLER BEACH.  
65 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
80 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.  
90 NAUTICAL MILES EAST OF ST SIMONS ISLAND.  
 
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.  
 

 
 
AMZ450-452-454-250915-  
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-  
807 PM EDT THU SEP 24 2020  
   
..SMALL CRAFT EXERCISE CAUTION
 
 
   
TONIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS LATE IN THE NIGHT. SEAS 4 TO 6 FEET WITH A DOMINANT  
PERIOD 5 SECONDS. CHOPPY ON THE INTRACOASTAL WATERS. SLIGHT CHANCE  
OF SHOWERS AFTER MIDNIGHT.    
FRIDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET WITH A  
DOMINANT PERIOD 6 SECONDS. A MODERATE CHOP ON THE INTRACOASTAL  
WATERS. CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST  
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET WITH A DOMINANT  
PERIOD 6 SECONDS. A LIGHT CHOP ON THE INTRACOASTAL WATERS. CHANCE  
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.    
SATURDAY
 
NORTHWEST WINDS 5 KNOTS BECOMING EAST 5 TO 10 KNOTS  
IN THE AFTERNOON. SEAS 2 TO 3 FEET. A LIGHT CHOP ON THE  
INTRACOASTAL WATERS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING  
SOUTHWEST AFTER MIDNIGHT. SEAS 1 TO 2 FEET. MOSTLY SMOOTH ON THE  
INTRACOASTAL WATERS.    
SUNDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST IN THE  
AFTERNOON. SEAS 2 TO 3 FEET. A LIGHT CHOP ON THE INTRACOASTAL  
WATERS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
MONDAY
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. CHANCE OF  
SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST AFTER  
MIDNIGHT. SEAS 3 TO 4 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.    
TUESDAY
 
WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO  
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
 

 
 
AMZ470-472-474-250915-  
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-  
807 PM EDT THU SEP 24 2020  
   
..SMALL CRAFT EXERCISE CAUTION
 
 
   
TONIGHT
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET WITH  
A DOMINANT PERIOD 5 SECONDS. SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT.    
FRIDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH A  
DOMINANT PERIOD 6 SECONDS. SLIGHT CHANCE OF SHOWERS IN THE  
MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
FRIDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET WITH A DOMINANT PERIOD  
6 SECONDS. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.    
SATURDAY
 
WEST WINDS 5 KNOTS BECOMING EAST IN THE AFTERNOON.  
SEAS 3 TO 4 FEET. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE MORNING.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 5 KNOTS BECOMING SOUTHWEST  
AFTER MIDNIGHT. SEAS 2 TO 3 FEET.    
SUNDAY
 
NORTHEAST WINDS 5 KNOTS BECOMING EAST 5 TO 10 KNOTS IN  
THE AFTERNOON. SEAS 2 TO 3 FEET. SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH  
AFTER MIDNIGHT. SEAS 3 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.   
MONDAY
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. CHANCE OF  
SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST  
AFTER MIDNIGHT. SEAS 3 TO 4 FEET. CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
TUESDAY
 
WEST WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO  
10 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
 

 
 
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