297  
FZUS52 KJAX 130535  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
135 AM EDT TUE OCT 13 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.  
 
AMZ400-132045-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
135 AM EDT TUE OCT 13 2026  
   
SYNOPSIS
 
 
A HIGH PRESSURE SYSTEM OVER THE SOUTHEAST STATES WILL SLOWLY MOVE  
EAST, AND PUSH WELL OFFSHORE BY THURSDAY NIGHT AND FRIDAY. A STRONG  
COLD FRONT WILL CROSS THE LOCAL WATERS LATE FRIDAY NIGHT THROUGH  
SATURDAY MORNING, FOLLOWED BY BUILDING HIGH PRESSURE WELL TO THE  
NORTH. LIGHTER WINDS AND SEAS WILL CONTINUE THROUGH AT LEAST  
THURSDAY. DETERIORATING MARINE CONDITIONS EXPECTED FRIDAY NIGHT AND  
INTO THE WEEKEND WITH SMALL CRAFT ADVISORIES LIKELY AND POTENTIAL  
FOR GALE CONDITIONS.  
 
   
GULF STREAM
 
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
OCT 12, 2026 AT 0000 UTC...  
 
54 NAUTICAL MILES EAST OF FLAGLER BEACH.  
58 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
70 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.  
81 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA DERIVED FROM NCEP GLOBAL RTOFS MODEL.  
 

 
 
AMZ450-452-454-132045-  
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-  
135 AM EDT TUE OCT 13 2026  
   
TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: NORTH 2 FEET AT 6 SECONDS. INTRACOASTAL WATERS LIGHT  
CHOP.    
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS, DIMINISHING TO AROUND  
5 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL:  
NORTHEAST 2 FEET AT 6 SECONDS. INTRACOASTAL WATERS LIGHT CHOP.    
WEDNESDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: EAST 2 FEET AT 7 SECONDS. INTRACOASTAL WATERS LIGHT  
CHOP.    
WEDNESDAY NIGHT
 
EAST WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: EAST 2 FEET AT 7 SECONDS. INTRACOASTAL WATERS  
SMOOTH.    
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: EAST 2 FEET AT 7 SECONDS. INTRACOASTAL WATERS LIGHT CHOP.   
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH  
AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT  
7 SECONDS. INTRACOASTAL WATERS LIGHT CHOP.    
FRIDAY
 
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING WEST 25 TO  
30 KNOTS. SEAS 2 TO 3 FEET. INTRACOASTAL WATERS VERY ROUGH.    
SATURDAY
 
NORTHEAST WINDS 25 TO 35 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET, BUILDING TO 9 TO 13 FEET, OCCASIONALLY TO  
17 FEET. INTRACOASTAL WATERS EXTREMELY ROUGH. A SLIGHT CHANCE OF  
SHOWERS IN THE MORNING. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
AMZ470-472-474-132045-  
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-  
135 AM EDT TUE OCT 13 2026  
   
TODAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: NORTHEAST 2 FEET AT 7 SECONDS.    
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: NORTHEAST 3 FEET AT 7 SECONDS.    
WEDNESDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: EAST 3 FEET AT 7 SECONDS.    
WEDNESDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: EAST 3 FEET AT 7 SECONDS.    
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: EAST 2 FEET AT 7 SECONDS.    
THURSDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH AFTER  
MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT  
8 SECONDS.    
FRIDAY
 
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING WEST 25 TO  
30 KNOTS. SEAS AROUND 2 FEET, BUILDING TO 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS AFTER MIDNIGHT.    
SATURDAY
 
NORTHEAST WINDS 25 TO 30 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET, BUILDING TO 11 TO 13 FEET, OCCASIONALLY  
TO 17 FEET. A SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN A  
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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