923  
FZUS52 KJAX 260731  
CWFJAX  
 
COASTAL WATERS FORECAST FOR NORTHEAST FLORIDA/SOUTHEAST GEORGIA  
NATIONAL WEATHER SERVICE JACKSONVILLE FL  
231 AM EST TUE JAN 26 2021  
 
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.  
 
AMZ400-262300-  
SYNOPSIS FOR ALTAMAHA SOUND GA TO FLAGLER BEACH FL OUT TO 60 NM-  
231 AM EST TUE JAN 26 2021  
   
SYNOPSIS
 
 
A COLD FRONT WILL STALL TO THE WEST OF OUR LOCAL WATERS TODAY. ON  
WEDNESDAY MORNING, AN AREA OF LOW PRESSURE WILL DEVELOP ALONG THE  
FRONT NEAR THE FLORIDA PANHANDLE, WHICH WILL ALLOW THE SYSTEM TO  
ACCELERATE NORTHEASTWARD IN THE AFTERNOON ACROSS THE GEORGIA  
COASTAL WATERS, DRAGGING THE COLD FRONT ACROSS OUR AREA DURING  
THE EVENING HOURS. AS THE FRONT MOVES IN, SHOWERS AND ISOLATED  
THUNDERSTORMS WILL MOVE OVER OUR COASTAL WATERS WEDNESDAY INTO  
WEDNESDAY NIGHT. ALONG AND BEHIND THE FRONT, WESTERLY AND THEN  
NORTHWESTERLY WINDS WILL INCREASE ACROSS THE COASTAL WATERS, WITH  
OCCASIONAL GALE FORCE WIND GUSTS POSSIBLE OFFSHORE AND SMALL CRAFT  
ADVISORY CONDITIONS DEVELOPING NEAR SHORE. SMALL CRAFT ADVISORY  
CONDITIONS WILL PERSIST FOR THE OFFSHORE WATERS THROUGH EARLY  
FRIDAY. WEAKENING HIGH PRESSURE WILL THEN BUILD INTO OUR REGION ON  
FRIDAY AFTERNOON, RESULTING IN DECREASING WINDS AND SUBSIDING  
SEAS.  
 
   
GULF STREAM
 
 
THE APPROXIMATE LOCATION OF THE WEST WALL OF THE GULF STREAM AS OF  
JAN 23, 2021 AT 1200 UTC...  
 
54 NAUTICAL MILES EAST NORTHEAST OF FLAGLER BEACH.  
61 NAUTICAL MILES EAST OF SAINT AUGUSTINE BEACH.  
74 NAUTICAL MILES EAST OF JACKSONVILLE BEACH.  
91 NAUTICAL MILES EAST SOUTHEAST OF ST SIMONS ISLAND.  
 
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.  
 

 
 
AMZ450-452-454-262300-  
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-  
231 AM EST TUE JAN 26 2021  
   
TODAY
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET WITH A  
DOMINANT PERIOD 6 SECONDS. A MODERATE CHOP ON THE INTRACOASTAL  
WATERS.    
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET WITH  
A DOMINANT PERIOD 6 SECONDS. A LIGHT CHOP ON THE INTRACOASTAL  
WATERS.    
WEDNESDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET  
WITH A DOMINANT PERIOD 6 SECONDS. A MODERATE CHOP ON THE  
INTRACOASTAL WATERS. PATCHY FOG IN THE MORNING. CHANCE OF  
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
WEST WINDS 20 TO 25 KNOTS BECOMING NORTHWEST  
AFTER MIDNIGHT. SEAS 4 TO 6 FEET. ROUGH ON THE INTRACOASTAL  
WATERS. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING.    
THURSDAY
 
NORTHWEST WINDS 20 TO 25 KNOTS BECOMING NORTH 15 TO  
20 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET. ROUGH ON THE  
INTRACOASTAL WATERS.    
THURSDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET.    
FRIDAY
 
NORTH WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET.    
FRIDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.    
SATURDAY
 
NORTHEAST WINDS 5 KNOTS BECOMING SOUTHEAST 5 TO  
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.  
 

 
 
AMZ470-472-474-262300-  
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-  
231 AM EST TUE JAN 26 2021  
   
TODAY
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH A  
DOMINANT PERIOD 6 SECONDS.    
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET WITH  
A DOMINANT PERIOD 6 SECONDS.    
WEDNESDAY
 
SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET  
WITH A DOMINANT PERIOD 6 SECONDS. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
WEST WINDS 25 TO 30 KNOTS BECOMING NORTHWEST  
AFTER MIDNIGHT. SEAS 6 TO 8 FEET. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING.    
THURSDAY
 
NORTH WINDS 20 TO 25 KNOTS. SEAS 7 TO 10 FEET.    
THURSDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS DIMINISHING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET.    
FRIDAY
 
NORTH WINDS 10 TO 15 KNOTS DIMINISHING TO 5 TO 10 KNOTS  
IN THE AFTERNOON. SEAS 4 TO 6 FEET.    
FRIDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET.    
SATURDAY
 
NORTHEAST WINDS 5 KNOTS BECOMING SOUTHEAST 5 TO  
10 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET.  
 

 
 
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