814  
FZUS52 KJAX 200752  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
252 AM EST FRI DEC 20 2024  
 
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.  
 
AMZ400-202200-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
252 AM EST FRI DEC 20 2024  
   
SYNOPSIS  
 
DENSE SEA FOG WILL IMPACT THE LOCAL WATERS THROUGH FRIDAY MORNING.  
A DRY COLD FRONT WILL MOVE OFFSHORE OF THE SOUTHEAST ATLANTIC  
COAST THIS EVENING, TRAILED BY INCREASING NORTHERLY WINDS TONIGHT  
WITH SMALL CRAFT ADVISORY CONDITIONS INTO SATURDAY MORNING. HIGH  
PRESSURE BUILDS NORTHEAST OF THE REGION THIS WEEKEND WITH SMALL  
CRAFT EXERCISE CAUTION CONDITIONS ACROSS THE LOCAL WATERS. A  
COASTAL TROUGH DEVELOPS MONDAY AND PERSISTS TUESDAY WITH AN  
INCREASE IN ONSHORE FLOW, COASTAL SHOWERS AND POTENTIAL SMALL  
CRAFT ADVISORY CONDITIONS.  
 
   
GULF STREAM  
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
DEC 17, 2024 AT 1200 UTC...  
 
62 NAUTICAL MILES EAST NORTHEAST OF FLAGLER BEACH.  
66 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
75 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.  
84 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.  
 
 
 
AMZ450-452-454-202200-  
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-  
252 AM EST FRI DEC 20 2024  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE  
TONIGHT...  
   
TODAY  
WEST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: WEST 3 FEET AT 3 SECONDS AND  
EAST 3 FEET AT 9 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP.  
WIDESPREAD SEA FOG THROUGH DAYBREAK DECREASING AFTER SUNRISE.    
TONIGHT  
NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHWEST 4 FEET AT  
5 SECONDS AND EAST 3 FEET AT 9 SECONDS. INTRACOASTAL WATERS  
CHOPPY.    
SATURDAY  
NORTH WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET, OCCASIONALLY TO  
6 FEET. WAVE DETAIL: NORTH 4 FEET AT 5 SECONDS AND NORTHEAST  
4 FEET AT 9 SECONDS. INTRACOASTAL WATERS CHOPPY.    
SATURDAY NIGHT  
NORTH WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO  
20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO  
6 FEET. WAVE DETAIL: NORTH 4 FEET AT 6 SECONDS. INTRACOASTAL  
WATERS CHOPPY.    
SUNDAY  
NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
6 SECONDS. INTRACOASTAL WATERS CHOPPY.    
SUNDAY 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 SLIGHT CHANCE OF SHOWERS  
AFTER MIDNIGHT.    
MONDAY THROUGH TUESDAY  
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO  
6 FEET, OCCASIONALLY TO 8 FEET. INTRACOASTAL WATERS CHOPPY. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
AMZ470-472-474-202200-  
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-  
252 AM EST FRI DEC 20 2024  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EST THIS MORNING  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON  
THROUGH SATURDAY MORNING...  
   
TODAY  
WEST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: WEST 4 FEET AT 4 SECONDS AND  
EAST 4 FEET AT 9 SECONDS. PATCHY FOG THIS MORNING.    
TONIGHT  
NORTHWEST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHWEST 6 FEET AT  
6 SECONDS AND EAST 4 FEET AT 9 SECONDS.    
SATURDAY  
NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTH 5 FEET AT 6 SECONDS  
AND EAST 5 FEET AT 9 SECONDS.    
SATURDAY NIGHT  
NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTH 5 FEET AT 7 SECONDS.    
SUNDAY AND SUNDAY NIGHT  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS  
5 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST  
6 FEET AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS.    
MONDAY THROUGH TUESDAY  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS  
5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 7 FEET AT  
9 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF  
THUNDERSTORMS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
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