102  
FZUS52 KJAX 100051  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
851 PM EDT TUE SEP 9 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.  
 
AMZ400-101600-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
851 PM EDT TUE SEP 9 2025  
   
SYNOPSIS
 
 
STRONG HIGH PRESSURE CENTERED OVER NEW ENGLAND WILL CONTINUE TO  
WEDGE DOWN THE SOUTHEASTERN SEABOARD AS LOW PRESSURE ORGANIZES OFF  
THE CAROLINA COAST LATER TONIGHT AND THEN ACCELERATES NORTH  
NORTHEASTWARD ON WEDNESDAY. A FRONTAL BOUNDARY CURRENTLY EXTENDING  
ACROSS NORTH CENTRAL FLORIDA WILL SLOWLY SINK SOUTHWARD THROUGH  
FRIDAY. SMALL CRAFT ADVISORY CONDITIONS WILL CONTINUE FOR THE  
WATERS FROM ST. AUGUSTINE NORTHWARD THROUGH WEDNESDAY MORNING,  
WITH SEAS ONLY SLOWLY SUBSIDING THROUGH LATE THIS WEEK AS BREEZY  
ONSHORE WINDS PERSIST. COASTAL TROUGHING WILL SHARPEN LATE THIS  
WEEK AND THIS WEEKEND, RESULTING IN ANOTHER ROUND OF STRENGTHENING  
ONSHORE WINDS AND POTENTIAL SMALL CRAFT ADVISORY CONDITIONS DURING  
THE WEEKEND. THIS TROUGH WILL LIKELY ORGANIZE INTO ANOTHER LOW  
PRESSURE CENTER OFF THE SOUTHEASTERN SEABOARD BY LATE IN THE  
WEEKEND, KEEPING ELEVATED WINDS AND SEAS IN PLACE ACROSS OUR LOCAL  
WATERS.  
 
   
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.  
 

 
 
AMZ450-470-101600-  
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-  
851 PM EDT TUE SEP 9 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM EDT WEDNESDAY
 
 
   
REST OF TONIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO  
8 FEET, OCCASIONALLY TO 10 FEET, SUBSIDING TO 5 TO 6 FEET,  
OCCASIONALLY TO 8 FEET LATE. WAVE DETAIL: NORTHEAST 7 FEET AT  
8 SECONDS, BECOMING NORTHEAST 6 FEET AT 8 SECONDS. INTRACOASTAL  
WATERS CHOPPY. A CHANCE OF SHOWERS.    
WEDNESDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 9  
SECONDS AND NORTHEAST 5 FEET AT 6 SECONDS. INTRACOASTAL WATERS  
CHOPPY. A CHANCE OF SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE  
OF SHOWERS IN THE AFTERNOON.   
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  
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS.    
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 5  
SECONDS AND EAST 4 FEET AT 9 SECONDS. INTRACOASTAL WATERS CHOPPY.  
A SLIGHT CHANCE OF SHOWERS.    
THURSDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4  
FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 3 FEET AT 5  
SECONDS AND EAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS A  
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS.    
FRIDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT  
5 SECONDS AND EAST 2 FEET AT 8 SECONDS. INTRACOASTAL WATERS  
CHOPPY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON.   
FRIDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS CHOPPY. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN A CHANCE  
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
SATURDAY AND SATURDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS.  
SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS  
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO  
15 KNOTS DURING THE AFTERNOON. SEAS 3 TO 5 FEET, OCCASIONALLY TO  
6 FEET. INTRACOASTAL WATERS BECOMING A LIGHT CHOP. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
AMZ452-472-101600-  
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-  
851 PM EDT TUE SEP 9 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
 
 
   
REST OF TONIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7  
FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 8  
SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS LIKELY WITH A CHANCE  
OF THUNDERSTORMS.    
WEDNESDAY AND WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS.  
SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET, SUBSIDING TO 4 TO 6  
FEET, OCCASIONALLY TO 8 FEET DURING THE AFTERNOON. WAVE DETAIL:  
NORTHEAST 6 FEET AT 10 SECONDS AND NORTHEAST 5 FEET AT 6 SECONDS.  
INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS.   
THURSDAY THROUGH FRIDAY
 
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 SHOWERS WITH  
A SLIGHT CHANCE OF THUNDERSTORMS.    
FRIDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 7  
SECONDS. INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SATURDAY
 
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. INTRACOASTAL WATERS ROUGH. A CHANCE OF  
SHOWERS.    
SATURDAY NIGHT AND SUNDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS  
5 TO 6 FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS CHOPPY.  
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
AMZ454-474-101600-  
COASTAL WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL OUT 20 NM-  
WATERS FROM ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM-  
851 PM EDT TUE SEP 9 2025  
 
...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH WEDNESDAY  
EVENING...  
   
REST OF TONIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6  
FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 9  
SECONDS AND NORTH 2 FEET AT 9 SECONDS. INTRACOASTAL WATERS CHOPPY.  
SHOWERS AND THUNDERSTORMS LIKELY.    
WEDNESDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 9 SECONDS  
AND NORTHEAST 5 FEET AT 6 SECONDS. INTRACOASTAL WATERS CHOPPY.  
SHOWERS AND THUNDERSTORMS LIKELY.   
WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS, BECOMING NORTH  
AFTER MIDNIGHT. SEAS 5 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE  
DETAIL: NORTHEAST 5 FEET AT 9 SECONDS AND NORTH 4 FEET AT 7  
SECONDS. INTRACOASTAL WATERS CHOPPY. SHOWERS LIKELY WITH A  
CHANCE OF THUNDERSTORMS.   
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS AROUND 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 5  
SECONDS AND NORTHEAST 4 FEET AT 8 SECONDS. INTRACOASTAL WATERS  
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
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 SHOWERS AND THUNDERSTORMS.    
SATURDAY
 
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 7  
SECONDS. INTRACOASTAL WATERS ROUGH. A CHANCE OF SHOWERS.    
SATURDAY NIGHT AND SUNDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS,  
DIMINISHING TO 10 TO 15 KNOTS DURING THE AFTERNOON. SEAS 4 TO 6  
FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS CHOPPY. A CHANCE  
OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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