541  
FZUS52 KJAX 210749  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
249 AM EST FRI FEB 21 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.  
 
AMZ400-212230-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
249 AM EST FRI FEB 21 2025  
   
SYNOPSIS  
 
ELEVATED NORTHEAST WINDS WILL CONTINUE THIS MORNING TRAILING THE  
PASSAGE OF A TROUGH AXIS, THEN WINDS AND SEAS SUBSIDE INTO THE  
AFTERNOON AND EVENING AS HIGH PRESSURE BUILDS NORTHEAST OF THE  
REGION AND A WEAK COASTAL TROUGH FORMS. LATE SATURDAY A BROAD AREA  
OF LOW PRESSURE CROSSES CENTRAL FLORIDA AND THEN LIFTS NE OF THE  
LOCAL WATERS SUNDAY. HIGH PRESSURE BUILDS NORTH OF THE WATERS  
MONDAY AS ANOTHER AREA OF LOW PRESSURE APPROACHES THE SOUTHERN FL  
PENINSULA INTO MONDAY NIGHT. THIS LOW WILL TRACK EAST OF THE  
WATERS INTO TUESDAY AS SURFACE HIGH PRESSURE BUILDS ACROSS THE  
EASTERN GULF MID-WEEK.  
   
GULF STREAM  
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
FEB 20, 2025 AT 1200 UTC...  
 
57 NAUTICAL MILES EAST OF FLAGLER BEACH.  
66 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
75 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.  
95 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.  
 
 
 
AMZ450-452-454-212230-  
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-  
249 AM EST FRI FEB 21 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON  
 
   
TODAY  
NORTHEAST WINDS 20 KNOTS, BECOMING 15 TO 20 KNOTS IN THE  
AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:  
NORTH 6 FEET AT 7 SECONDS. INTRACOASTAL WATERS CHOPPY.    
TONIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET,  
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT  
9 SECONDS. INTRACOASTAL WATERS A MODERATE CHOP.    
SATURDAY  
NORTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO  
10 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET, OCCASIONALLY TO  
5 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 8 SECONDS. INTRACOASTAL  
WATERS A MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS IN THE  
AFTERNOON.    
SATURDAY NIGHT  
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 3 FEET AT  
8 SECONDS. INTRACOASTAL WATERS LIGHT CHOP.    
SUNDAY  
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: NORTHEAST 3 FEET AT 8 SECONDS. INTRACOASTAL WATERS LIGHT  
CHOP.    
SUNDAY NIGHT  
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING  
NORTHWEST AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL:  
NORTHEAST 3 FEET AT 8 SECONDS. INTRACOASTAL WATERS LIGHT CHOP. A  
CHANCE OF SHOWERS AFTER MIDNIGHT.    
MONDAY  
NORTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
INTRACOASTAL WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS IN THE  
MORNING.    
TUESDAY  
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING WEST. SEAS  
AROUND 2 FEET. INTRACOASTAL WATERS LIGHT CHOP.  
 
 
 
AMZ470-472-474-212230-  
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-  
249 AM EST FRI FEB 21 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING  
 
   
TODAY  
NORTH WINDS 20 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO  
9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT 9 SECONDS AND NORTH 3  
FEET AT 6 SECONDS.    
TONIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT  
9 SECONDS.    
SATURDAY  
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO  
10 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET, OCCASIONALLY TO  
6 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT 8 SECONDS. A SLIGHT  
CHANCE OF SHOWERS IN THE AFTERNOON.    
SATURDAY NIGHT  
NORTH WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT  
8 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.    
SUNDAY  
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 3 FEET AT  
8 SECONDS.    
SUNDAY NIGHT  
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: NORTHEAST 3 FEET AT 8 SECONDS. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.    
MONDAY  
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A SLIGHT  
CHANCE OF SHOWERS THROUGH THE DAY.    
TUESDAY  
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING WEST. SEAS  
2 TO 3 FEET.  
 
 
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