875  
FZUS52 KJAX 160625  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
225 AM EDT WED SEP 16 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.  
 
AMZ400-162100-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
225 AM EDT WED SEP 16 2026  
   
SYNOPSIS
 
 
LOCAL PRESSURE GRADIENT REMAINS TIGHT AS HIGH PRESSURE RIDGING  
BUILDS DOWN THE EASTERN SEABOARD IN THE WAKE OF A COOL FRONT. SMALL  
CRAFT ADVISORY CONDITIONS WITH BREEZY NORTHEAST WINDS AND ELEVATED  
SEAS WILL CONTINUE ACROSS AREA WATERS THROUGH THURSDAY. WAVES OF  
ISOLATED TO SCATTERED SHOWERS AND A FEW THUNDERSTORMS WILL MOVE OVER  
THE AREA WATERS THROUGH MUCH OF THE WEEK. IMPROVING CONDITIONS ARE  
EXPECTED BY FRIDAY AS ONSHORE WINDS WEAKEN AND SEAS GRADUALLY LOWER.  
 
   
GULF STREAM
 
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
SEP 15, 2026 AT 0000 UTC...  
 
50 NAUTICAL MILES EAST OF FLAGLER BEACH.  
53 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
64 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.  
71 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.  
 

 
 
AMZ452-472-162100-  
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-  
225 AM EDT WED SEP 16 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TONIGHT
 
NORTHEAST WINDS AROUND 20 KNOTS. SEAS 5 TO  
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
7 SECONDS. INTRACOASTAL WATERS CHOPPY.    
WEDNESDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO  
25 KNOTS IN THE AFTERNOON. SEAS 5 TO 6 FEET, OCCASIONALLY TO  
8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 7 SECONDS. INTRACOASTAL  
WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.    
WEDNESDAY 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.    
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
8 SECONDS. INTRACOASTAL WATERS CHOPPY. A SLIGHT CHANCE OF  
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
THURSDAY 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: EAST 6 FEET AT 8 SECONDS. INTRACOASTAL  
WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 5 FEET AT 8 SECONDS.  
INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT CHANCE OF  
THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN THE MORNING.    
FRIDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS LIGHT CHOP. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY THROUGH SUNDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS  
2 TO 3 FEET. INTRACOASTAL WATERS LIGHT CHOP. SHOWERS LIKELY WITH  
A CHANCE OF THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
AMZ454-474-162100-  
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-  
225 AM EDT WED SEP 16 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TONIGHT
 
EAST WINDS AROUND 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
7 SECONDS. INTRACOASTAL WATERS CHOPPY.    
WEDNESDAY
 
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. A CHANCE OF SHOWERS IN THE  
AFTERNOON.    
WEDNESDAY 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 SLIGHT CHANCE OF  
SHOWERS.    
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS AROUND 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
8 SECONDS. INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
THURSDAY NIGHT
 
EAST WINDS 15 TO 20 KNOTS, BECOMING NORTHEAST  
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO  
8 FEET. WAVE DETAIL: EAST 6 FEET AT 8 SECONDS. INTRACOASTAL  
WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY AND FRIDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 5 FEET AT  
7 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A CHANCE OF  
SHOWERS AND THUNDERSTORMS.    
SATURDAY THROUGH SUNDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS  
2 TO 3 FEET. INTRACOASTAL WATERS LIGHT CHOP. SHOWERS LIKELY WITH  
A CHANCE OF THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
AMZ450-470-162100-  
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-  
225 AM EDT WED SEP 16 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TONIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO  
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 6 FEET AT  
7 SECONDS. INTRACOASTAL WATERS CHOPPY.    
WEDNESDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO  
25 KNOTS IN THE AFTERNOON. SEAS 5 TO 6 FEET, OCCASIONALLY TO  
8 FEET. WAVE DETAIL: EAST 6 FEET AT 7 SECONDS. INTRACOASTAL  
WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO  
6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST 6 FEET AT  
7 SECONDS. INTRACOASTAL WATERS CHOPPY.    
THURSDAY
 
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST 5 FEET AT 8 SECONDS.  
INTRACOASTAL WATERS CHOPPY.    
THURSDAY NIGHT AND FRIDAY
 
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS  
3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 5 FEET AT  
8 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT CHANCE  
OF SHOWERS.    
FRIDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 3 FEET AT 7 SECONDS.  
INTRACOASTAL WATERS LIGHT CHOP.    
SATURDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.  
INTRACOASTAL WATERS LIGHT CHOP. A CHANCE OF SHOWERS IN THE  
MORNING. A SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY. A  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON, THEN A CHANCE OF  
SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT.    
SUNDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
INTRACOASTAL WATERS LIGHT CHOP. SHOWERS LIKELY WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF SHOWERS  
THROUGH THE NIGHT. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY  
AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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