701  
FZUS52 KJAX 141216  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
816 AM EDT SUN SEP 14 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.  
 
AMZ400-150330-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
816 AM EDT SUN SEP 14 2025  
   
SYNOPSIS  
 
A WAVE OF LOW PRESSURE WILL TRACK SLOWLY NORTHWARD ALONG A STALLED  
FRONTAL BOUNDARY WELL OFFSHORE THROUGH EARLY NEXT WEEK AS HIGH  
PRESSURE PERSISTS NORTHWEST OF THE REGION. GUSTY NORTHEAST WINDS  
BETWEEN THESE TWO FEATURES WILL CONTINUE SMALL CRAFT ADVISORY  
CONDITIONS ACROSS THE LOCAL WATERS TODAY BEFORE THE ONSHORE FLOW  
SLOWLY WEAKENS EARLY NEXT WEEK AND SEAS SLOWLY SUBSIDE DURING THE  
UPCOMING WEEK. OCCASIONAL SCATTERED SHOWERS AND ISOLATED STORMS ARE  
EXPECTED, MAINLY ACROSS THE NORTHEAST FLORIDA WATERS INTO MONDAY.  
SHOWER AND STORM ACTIVITY WILL SLOWLY DECREASE DURING THE UPCOMING  
WEEK.  
   
GULF STREAM  
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
SEP 13, 2025 AT 1200 UTC...  
 
43 NAUTICAL MILES EAST OF FLAGLER BEACH.  
54 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
72 NAUTICAL MILES EAST SOUTHEAST OF JACKSONVILLE BEACH.  
90 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.  
 
 
 
AMZ450-452-454-150330-  
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-  
816 AM EDT SUN SEP 14 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON  
 
   
REST OF TODAY  
NORTHEAST WINDS AROUND 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 8 SECONDS.  
INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS THIS MORNING.    
TONIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
9 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT CHANCE  
OF SHOWERS.    
MONDAY  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
9 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS.    
MONDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT  
9 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE EVENING.    
TUESDAY AND TUESDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS  
2 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST  
4 FEET AT 10 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP.    
WEDNESDAY  
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST.  
SEAS 2 TO 3 FEET. WAVE DETAIL: NORTHEAST 3 FEET AT 9 SECONDS.  
INTRACOASTAL WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT.    
THURSDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.  
INTRACOASTAL WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
AMZ470-472-474-150330-  
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-  
816 AM EDT SUN SEP 14 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING  
 
   
REST OF TODAY  
NORTH WINDS AROUND 20 KNOTS. SEAS 6 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 8  
SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF  
THUNDERSTORMS.    
TONIGHT  
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. SEAS 5 TO 6 FEET, OCCASIONALLY TO  
8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT 9 SECONDS. A CHANCE OF  
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.    
MONDAY  
NORTH WINDS 10 TO 15 KNOTS. SEAS 5 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
9 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS, MAINLY  
IN THE MORNING.    
MONDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
10 SECONDS AND SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF  
THUNDERSTORMS. A CHANCE OF SHOWERS, MAINLY IN THE EVENING.    
TUESDAY  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
10 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE MORNING.    
TUESDAY NIGHT  
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT  
9 SECONDS.    
WEDNESDAY  
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST. SEAS  
3 TO 4 FEET, OCCASIONALLY TO 5 FEET. A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS AFTER MIDNIGHT.    
THURSDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. A CHANCE OF SHOWERS THROUGH THE DAY. A  
SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
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