502  
FZUS52 KJAX 281125  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
725 AM EDT MON SEP 28 2026  
 
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.  
 
AMZ400-290230-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
725 AM EDT MON SEP 28 2026  
   
SYNOPSIS
 
 
HIGH PRESSURE WILL SHIFT OVER THE REGION EARLY THIS WEEK WITH  
PREVAILING WEST TO SOUTHWEST WINDS, TURNING SOUTHEASTERLY IN THE  
AFTERNOON NEARSHORE FROM THE ATLANTIC SEABREEZE CIRCULATION. HIGH  
PRESSURE WILL SHIFT EAST OF THE WATERS MIDWEEK WITH SOUTHERLY WINDS,  
TURNING EASTERLY IN THE AFTERNOON OVER THE NEARSHORE WATERS FROM  
SEABREEZE CIRCULATION. INCREASING MOISTURE WILL BRING A RETURN OF  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS OVER THE WATERS BY LATE  
IN THE WEEK.  
 
   
GULF STREAM
 
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
SEP 27, 2026 AT 0000 UTC...  
 
58 NAUTICAL MILES EAST OF FLAGLER BEACH.  
58 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
70 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.  
81 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.  
 

 
 
AMZ450-452-454-290230-  
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-  
725 AM EDT MON SEP 28 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING  
SOUTHEAST 10 TO 15 KNOTS THIS AFTERNOON. SEAS 2 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 3 FEET AT 11 SECONDS  
AND SOUTHWEST 2 FEET AT 3 SECONDS. INTRACOASTAL WATERS A MODERATE  
CHOP.    
TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST 5 TO  
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET, OCCASIONALLY TO  
5 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 4 SECONDS AND EAST  
3 FEET AT 11 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP.    
TUESDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN  
THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT  
4 SECONDS AND EAST 2 FEET AT 10 SECONDS. INTRACOASTAL WATERS  
LIGHT CHOP.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS AND EAST  
2 FEET AT 10 SECONDS. INTRACOASTAL WATERS LIGHT CHOP.    
WEDNESDAY AND WEDNESDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS  
2 TO 3 FEET. WAVE DETAIL: EAST 2 FEET AT 3 SECONDS. INTRACOASTAL  
WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY THROUGH FRIDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS  
2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS AND EAST  
2 FEET AT 10 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A  
CHANCE OF SHOWERS AND THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
AMZ470-472-474-290230-  
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-  
725 AM EDT MON SEP 28 2026  
   
REST OF TODAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH  
THIS AFTERNOON. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE  
DETAIL: NORTHEAST 4 FEET AT 11 SECONDS AND SOUTHWEST 2 FEET AT  
3 SECONDS.    
TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTH 3 FEET AT 4 SECONDS  
AND NORTHEAST 3 FEET AT 10 SECONDS.    
TUESDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN  
THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 2 FEET AT  
4 SECONDS AND EAST 2 FEET AT 10 SECONDS.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 3 SECONDS AND EAST  
2 FEET AT 10 SECONDS.    
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 3 SECONDS AND EAST 2 FEET AT  
10 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF  
SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE  
AFTERNOON.    
WEDNESDAY NIGHT
 
EAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: EAST 2 FEET AT 4 SECONDS AND EAST 2 FEET AT  
10 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY THROUGH FRIDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS  
3 TO 4 FEET, OCCASIONALLY TO 5 FEET. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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