287  
FZUS52 KJAX 081757  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
157 PM EDT MON SEP 8 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.  
 
AMZ400-090900-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
157 PM EDT MON SEP 8 2025  
   
SYNOPSIS  
 
THE AREA WILL BE BETWEEN HIGH PRESSURE TO THE NORTH, AND AN INVERTED  
TROUGH OVER THE WESTERN ATLANTIC EARLY THIS WEEK. THE PRESSURE  
GRADIENT BETWEEN THESE TWO FEATURES WILL RESULT IN MODERATE TO  
STRONG WINDS EXTENDING OVER THE COASTAL WATERS. THE GRADIENT WILL  
RELAX LATER IN THE WEEK AS THE HIGH AND TROUGH WEAKEN. THE HIGH WILL  
STRENGTHEN TO THE NORTHEAST LATE IN THE WEEK, WITH TROUGHING TO THE  
SOUTHEAST. ONCE AGAIN THE GRADIENT BETWEEN THESE FEATURES WILL  
RESULT IN ELEVATED WINDS AND SEAS.  
   
GULF STREAM  
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
SEP 06, 2025 AT 1200 UTC...  
 
50 NAUTICAL MILES EAST OF FLAGLER BEACH.  
60 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
61 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.  
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.  
 
 
 
AMZ450-470-090900-  
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT  
20 NM-  
WATERS FROM ALTAMAHA SOUND GA TO FERNANDINA BEACH FL FROM 20 TO  
60 NM-  
157 PM EDT MON SEP 8 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT  
 
   
REST OF TODAY  
NORTHEAST WINDS 20 TO 25 KNOTS. OCCASIONAL GUSTS  
UP TO 35 KNOTS THIS AFTERNOON. SEAS 5 TO 7 FEET, OCCASIONALLY TO  
9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 6 SECONDS. INTRACOASTAL  
WATERS ROUGH. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
TONIGHT  
NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO  
35 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL:  
NORTHEAST 7 FEET AT 8 SECONDS. INTRACOASTAL WATERS ROUGH. SHOWERS  
AND THUNDERSTORMS LIKELY.    
TUESDAY  
NORTHEAST WINDS 20 TO 25 KNOTS. GUSTS UP TO 35 KNOTS  
IN THE MORNING. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE  
DETAIL: NORTHEAST 7 FEET AT 7 SECONDS. INTRACOASTAL WATERS ROUGH.  
SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS IN THE MORNING, THEN  
THUNDERSTORMS LIKELY IN THE AFTERNOON.    
TUESDAY NIGHT  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO  
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
7 SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS LIKELY WITH A  
CHANCE OF THUNDERSTORMS.    
WEDNESDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
7 SECONDS. INTRACOASTAL WATERS CHOPPY. A CHANCE OF THUNDERSTORMS.  
SHOWERS LIKELY, MAINLY IN THE MORNING.    
WEDNESDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT  
6 SECONDS AND EAST 4 FEET AT 9 SECONDS. INTRACOASTAL WATERS A  
MODERATE CHOP. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS,  
MAINLY IN THE EVENING.    
THURSDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS CHOPPY. A CHANCE OF  
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY,  
THEN A SLIGHT CHANCE OF SHOWERS THROUGH THE NIGHT.    
FRIDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS CHOPPY. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
AMZ452-472-090900-  
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT  
20 NM-  
WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL FROM 20 TO 60 NM-  
157 PM EDT MON SEP 8 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT  
 
   
REST OF TODAY  
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO  
20 TO 25 KNOTS WITH OCCASIONAL GUSTS UP TO 35 KNOTS THIS  
AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:  
NORTHEAST 6 FEET AT 6 SECONDS. INTRACOASTAL WATERS ROUGH. SHOWERS  
LIKELY. A CHANCE OF THUNDERSTORMS LATE THIS MORNING, THEN  
THUNDERSTORMS LIKELY THIS AFTERNOON.    
TONIGHT  
NORTHEAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO  
35 KNOTS, DIMINISHING TO 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 4 TO  
6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
8 SECONDS. INTRACOASTAL WATERS ROUGH. SHOWERS. THUNDERSTORMS  
LIKELY, MAINLY IN THE EVENING.    
TUESDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
7 SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN THUNDERSTORMS LIKELY IN THE  
AFTERNOON.    
TUESDAY NIGHT  
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO  
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO  
8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 7 SECONDS. INTRACOASTAL  
WATERS CHOPPY. SHOWERS WITH A CHANCE OF THUNDERSTORMS.    
WEDNESDAY AND WEDNESDAY NIGHT  
NORTHEAST WINDS 15 TO 20 KNOTS.  
SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST  
5 FEET AT 9 SECONDS AND NORTHEAST 4 FEET AT 5 SECONDS.  
INTRACOASTAL WATERS CHOPPY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS.    
THURSDAY THROUGH FRIDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS  
4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST  
5 FEET AT 5 SECONDS AND NORTHEAST 5 FEET AT 9 SECONDS.  
INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
AMZ474-090900-  
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-  
157 PM EDT MON SEP 8 2025  
   
..SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4  
FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTH 3 FEET AT 5  
SECONDS AND EAST 2 FEET AT 8 SECONDS. SHOWERS. A CHANCE OF  
THUNDERSTORMS LATE THIS MORNING, THEN THUNDERSTORMS THIS  
AFTERNOON.    
TONIGHT  
NORTHEAST WINDS 15 TO 20 KNOTS BECOMING 10 TO 15  
KNOTS. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:  
NORTHEAST 5 FEET AT 7 SECONDS AND NORTH 3 FEET AT 8 SECONDS.  
SHOWERS. THUNDERSTORMS LIKELY, MAINLY IN THE EVENING.    
TUESDAY  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTH 5 FEET AT 8 SECONDS.  
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE MORNING, THEN  
THUNDERSTORMS LIKELY IN THE AFTERNOON.    
TUESDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO  
6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTH 5 FEET AT  
8 SECONDS. SHOWERS. THUNDERSTORMS LIKELY, MAINLY IN THE EVENING.    
WEDNESDAY AND WEDNESDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS.  
SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST  
5 FEET AT 9 SECONDS AND NORTHEAST 2 FEET AT 5 SECONDS. SHOWERS  
WITH THUNDERSTORMS LIKELY.    
THURSDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
9 SECONDS AND NORTHEAST 4 FEET AT 5 SECONDS. SHOWERS LIKELY.    
FRIDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
AMZ454-090900-  
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-  
157 PM EDT MON SEP 8 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT  
 
   
REST OF TODAY  
NORTHEAST WINDS AROUND 20 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 5  
SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS. A CHANCE OF  
THUNDERSTORMS LATE THIS MORNING, THEN THUNDERSTORMS LIKELY THIS  
AFTERNOON.    
TONIGHT  
NORTHEAST WINDS AROUND 20 KNOTS, DIMINISHING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET.  
WAVE DETAIL: NORTHEAST 5 FEET AT 7 SECONDS. INTRACOASTAL WATERS  
CHOPPY. SHOWERS WITH THUNDERSTORMS LIKELY IN THE EVENING, THEN  
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.   
TUESDAY  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
8 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. SHOWERS. A CHANCE  
OF THUNDERSTORMS IN THE MORNING, THEN THUNDERSTORMS IN THE  
AFTERNOON.    
TUESDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO  
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
8 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. SHOWERS WITH  
THUNDERSTORMS LIKELY IN THE EVENING, THEN SHOWERS LIKELY WITH A  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.    
WEDNESDAY  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
9 SECONDS AND NORTHEAST 2 FEET AT 5 SECONDS. INTRACOASTAL WATERS  
A MODERATE CHOP. SHOWERS. A CHANCE OF THUNDERSTORMS IN THE  
MORNING, THEN THUNDERSTORMS LIKELY IN THE AFTERNOON.    
WEDNESDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO  
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
9 SECONDS AND NORTHEAST 3 FEET AT 5 SECONDS. INTRACOASTAL WATERS  
A MODERATE CHOP. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS  
IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.    
THURSDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS AROUND 4 FEET,  
OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS CHOPPY. SHOWERS  
LIKELY IN THE MORNING. A CHANCE OF THUNDERSTORMS. A CHANCE OF  
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.    
FRIDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. INTRACOASTAL WATERS CHOPPY. A CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
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