507  
FZUS52 KJAX 020557  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
157 AM EDT SAT AUG 2 2025  
 
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.  
 
AMZ400-022100-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
157 AM EDT SAT AUG 2 2025  
   
SYNOPSIS
 
 
A SLOW-MOVING FRONTAL BOUNDARY WILL SLIDE INTO THE GEORGIA WATERS  
THIS AFTERNOON, RESULTING IN NUMEROUS SHOWERS AND THUNDERSTORM THIS  
AFTERNOON AND EVENING, SOME OF WHICH MAY BE STRONG. THE STALLED  
FRONT WILL PUSH TOWARD THE NORTHEASTERN FLORIDA WATERS BY SUNDAY AND  
RESIDING THROUGH THROUGH MONDAY AS IT WEAKENS WITH HIGH PRESSURE  
WEDGING IN FROM THE NORTH. HIGH PRESSURE REMAINS WEDGED TO THE NORTH  
AS COASTAL TROUGHING LINGERS OFFSHORE FROM TUESDAY ONWARD, SETTING  
UP A PREDOMINANT ONSHORE FLOW.  
 
   
GULF STREAM
 
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
JUL 31, 2025 AT 1200 UTC...  
 
64 NAUTICAL MILES EAST OF FLAGLER BEACH.  
73 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
79 NAUTICAL MILES EAST NORTHEAST OF JACKSONVILLE BEACH.  
75 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.  
 

 
 
AMZ450-452-454-022100-  
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-  
157 AM EDT SAT AUG 2 2025  
 
   
TODAY
 
WEST WINDS 5 TO 10 KNOTS, BECOMING EAST THIS AFTERNOON.  
SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.  
INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY  
THIS AFTERNOON.    
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING WEST AFTER  
MIDNIGHT. SEAS AROUND 2 FEET. INTRACOASTAL WATERS LIGHT CHOP.  
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE EVENING,  
THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS  
AFTER MIDNIGHT.    
SUNDAY
 
WEST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE  
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT  
8 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST  
AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT  
7 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. SHOWERS LIKELY WITH A  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS  
WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.    
MONDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: NORTHEAST 3 FEET AT 8 SECONDS. INTRACOASTAL WATERS LIGHT  
CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS  
IN THE MORNING, THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE  
AFTERNOON.    
MONDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: NORTHEAST 3 FEET AT 7 SECONDS. INTRACOASTAL WATERS  
LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT.    
TUESDAY THROUGH WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO  
3 FEET. INTRACOASTAL WATERS LIGHT CHOP. SHOWERS AND THUNDERSTORMS  
LIKELY.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
AMZ470-472-474-022100-  
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-  
157 AM EDT SAT AUG 2 2025  
 
   
TODAY
 
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST THIS  
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHWEST 2 FEET AT  
4 SECONDS AND EAST 2 FEET AT 8 SECONDS. A CHANCE OF SHOWERS. A  
CHANCE OF THUNDERSTORMS THIS MORNING, THEN THUNDERSTORMS LIKELY  
THIS AFTERNOON.    
TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS, BECOMING WEST AFTER  
MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT  
8 SECONDS. SHOWERS AND THUNDERSTORMS LIKELY, MAINLY IN THE  
EVENING.    
SUNDAY
 
WEST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE  
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT  
8 SECONDS. SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS IN THE  
MORNING, THEN THUNDERSTORMS LIKELY IN THE AFTERNOON.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST  
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: NORTHEAST 3 FEET  
AT 8 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS, MAINLY IN THE  
EVENING.    
MONDAY
 
WEST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE  
AFTERNOON. SEAS AROUND 3 FEET. WAVE DETAIL: NORTHEAST 3 FEET AT  
8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY WITH A CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT  
9 SECONDS. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.    
TUESDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. A CHANCE OF THUNDERSTORMS IN THE MORNING.  
SHOWERS LIKELY. THUNDERSTORMS LIKELY IN THE AFTERNOON, THEN A  
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. A CHANCE OF SHOWERS  
AFTER MIDNIGHT.    
WEDNESDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS .  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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