359  
FZUS52 KJAX 212330  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
630 PM EST SAT DEC 21 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.  
 
AMZ400-221015-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
630 PM EST SAT DEC 21 2024  
   
SYNOPSIS  
 
STRONG HIGH PRESSURE BUILDS OVER NEW ENGLAND SUNDAY INTO MONDAY. NORTH  
TO NORTHEAST WINDS INCREASE BEGINNING LATE TONIGHT AS A COASTAL  
TROUGH BEGINS TO FORM OVER THE LOCAL ATLANTIC WATERS. ELEVATED  
WINDS AND SEAS ARE EXPECTED TO BRING SMALL CRAFT ADVISORY  
CONDITIONS LATE SUNDAY MORNING INTO MONDAY. COASTAL TROUGHS WILL  
CONTINUE THROUGH THE UPCOMING WEEK OVER THE LOCAL WATERS BRINGING  
PERIODS OF ELEVATED ONSHORE WINDS, SHOWERS AND ELEVATED SEAS NEAR  
ADVISORY LEVELS AT TIMES.  
 
   
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.  
 
 
 
AMZ450-452-454-221015-  
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-  
630 PM EST SAT DEC 21 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH  
MONDAY MORNING...  
   
REST OF TONIGHT  
NORTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTH 4 FEET AT 7 SECONDS.  
INTRACOASTAL WATERS A MODERATE CHOP.    
SUNDAY  
NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTH 6 FEET AT 6 SECONDS.  
INTRACOASTAL WATERS CHOPPY.    
SUNDAY NIGHT  
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. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.    
MONDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
8 SECONDS. INTRACOASTAL WATERS CHOPPY. A CHANCE OF SHOWERS.    
MONDAY NIGHT  
NORTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
8 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP. A CHANCE OF  
SHOWERS.    
TUESDAY AND TUESDAY NIGHT  
NORTHEAST WINDS AROUND 10 KNOTS.  
SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: EAST  
6 FEET AT 9 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A SLIGHT  
CHANCE OF SHOWERS.    
WEDNESDAY  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS A MODERATE CHOP. A  
SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF  
SHOWERS. A CHANCE OF THUNDERSTORMS IN THE EVENING.    
THURSDAY  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. INTRACOASTAL WATERS A MODERATE CHOP. A  
CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
AMZ470-472-474-221015-  
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-  
630 PM EST SAT DEC 21 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH  
MONDAY MORNING...  
   
REST OF TONIGHT  
NORTH WINDS AROUND 15 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTH 5 FEET AT 7 SECONDS.    
SUNDAY  
NORTH WINDS 15 TO 20 KNOTS, BECOMING NORTHEAST 20 TO  
25 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO  
8 FEET, BUILDING TO 6 TO 7 FEET, OCCASIONALLY TO 9 FEET IN THE  
AFTERNOON. WAVE DETAIL: NORTHEAST 6 FEET AT 8 SECONDS, BECOMING  
NORTHEAST 7 FEET AT 7 SECONDS.    
SUNDAY NIGHT  
NORTHEAST WINDS 20 TO 25 KNOTS, DIMINISHING TO  
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS AROUND 7 FEET, OCCASIONALLY  
TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 8 SECONDS. A CHANCE  
OF SHOWERS.    
MONDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT  
8 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON.    
MONDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS, BECOMING NORTH AFTER  
MIDNIGHT. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL:  
EAST 7 FEET AT 9 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS.  
SHOWERS LIKELY, MAINLY IN THE EVENING.    
TUESDAY  
NORTH WINDS 10 TO 15 KNOTS. SEAS 6 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 7 FEET AT 9 SECONDS. A  
CHANCE OF SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO  
6 FEET, OCCASIONALLY TO 8 FEET. A CHANCE OF SHOWERS.    
WEDNESDAY  
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
MORNING. A CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF  
SHOWERS.    
THURSDAY  
EAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. A CHANCE OF SHOWERS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
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