351  
FZUS52 KJAX 031826  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
226 PM EDT THU SEP 3 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.  
 
AMZ400-040900-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
226 PM EDT THU SEP 3 2026  
   
SYNOPSIS
 
 
ONSHORE EAST TO SOUTHEAST FLOW WILL CONTINUE WAVES OF SHOWERS AND  
EMBEDDED THUNDERSTORMS AT TIMES THROUGH FRIDAY. PREVAILING WESTERLY  
WINDS ARE THEN EXPECTED FROM SATURDAY THROUGH AT LEAST MONDAY  
MORNING AS A FRONTAL BOUNDARY SINKS SOUTHWARD TOWARDS OUR REGION,  
WITH THIS FEATURE MAINTAINING A STORMY WEATHER PATTERN. STRONGER  
HIGH PRESSURE WILL BUILD DOWN THE SOUTHEASTERN SEABOARD EARLY NEXT  
WEEK IN THE WAKE OF THIS BOUNDARY, LIKELY PUSHING THE FRONT OVER THE  
NORTHEAST FLORIDA WATERS.  
 
   
GULF STREAM
 
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
SEP 03, 2026 AT 0000 UTC...  
 
46 NAUTICAL MILES EAST OF FLAGLER BEACH.  
53 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
64 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.  
68 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.  
 

 
 
AMZ450-452-454-040900-  
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-  
226 PM EDT THU SEP 3 2026  
   
REST OF TODAY
 
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 3 FEET.  
WAVE DETAIL: EAST 3 FEET AT 9 SECONDS. INTRACOASTAL WATERS LIGHT  
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 3 FEET.  
WAVE DETAIL: EAST 3 FEET AT 9 SECONDS. INTRACOASTAL WATERS LIGHT  
CHOP. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF  
SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.    
FRIDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.  
WAVE DETAIL: EAST 3 FEET AT 8 SECONDS. INTRACOASTAL WATERS A  
MODERATE CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST  
3 FEET AT 8 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP.    
SATURDAY
 
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN  
THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST 2 FEET AT  
8 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.    
SATURDAY NIGHT
 
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHWEST  
AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET  
AT 5 SECONDS AND SOUTHEAST 2 FEET AT 8 SECONDS. INTRACOASTAL  
WATERS LIGHT CHOP. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT  
CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER  
MIDNIGHT.    
SUNDAY
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS  
LIKELY IN THE AFTERNOON. A CHANCE OF THUNDERSTORMS IN THE  
EVENING. A CHANCE OF SHOWERS THROUGH THE NIGHT. A SLIGHT CHANCE  
OF THUNDERSTORMS AFTER MIDNIGHT.    
MONDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS A MODERATE CHOP.  
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS, THEN A CHANCE OF  
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
AMZ470-472-474-040900-  
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-  
226 PM EDT THU SEP 3 2026  
   
REST OF TODAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO  
4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT  
9 SECONDS AND NORTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS  
AND THUNDERSTORMS.    
TONIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT  
9 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT  
8 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS, MAINLY IN THE  
MORNING.    
FRIDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 8 SECONDS AND SOUTHEAST 2 FEET  
AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT.    
SATURDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE  
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT  
8 SECONDS AND SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
SATURDAY NIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
3 FEET. WAVE DETAIL: SOUTHWEST 2 FEET AT 3 SECONDS AND SOUTHEAST  
2 FEET AT 8 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY
 
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A  
CHANCE OF THUNDERSTORMS.    
MONDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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