565  
FZNT25 KNHC 212026  
OFFN04  
 
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
426 PM EDT THU AUG 21 2025  
 
...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE  
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED  
COASTAL WATERS FORECASTS...  
 
SOUTHEAST GULF OF AMERICA  
   
SYNOPSIS
 
A WEAK PRESSURE PATTERN WILL CONTINUE OVER THE AREA  
THROUGH THE PERIOD MAINTAINING QUIET MARINE CONDITIONS. MODERATE  
TO FRESH NORTHEAST TO SOUTHEAST WINDS WILL BE POSSIBLE OVER THE  
SOUTH-CENTRAL GULF EACH AFTERNOON AND EVENING THROUGH THIS  
WEEKEND AS A TROUGH DEVELOPS OVER THE YUCATAN PENINSULA AND  
MOVES WESTWARD.  
   
TONIGHT
 
SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
FRI
 
SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
FRI NIGHT
 
W WINDS 5 TO 10 KT, SHIFTING TO S TO SW AFTER  
MIDNIGHT. SEAS 2 FT OR LESS.    
SAT
 
SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
SAT NIGHT
 
W TO NW WINDS 5 TO 10 KT, SHIFTING TO S TO SW AFTER  
MIDNIGHT. SEAS 2 FT OR LESS.    
SUN
 
SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
SUN NIGHT
 
W TO NW WINDS 5 TO 10 KT, SHIFTING TO SW AFTER  
MIDNIGHT. SEAS 2 FT OR LESS.    
MON
 
SW TO W WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
MON NIGHT
 
NW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.   
TUE
 
NW TO N WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
TUE NIGHT
 
N WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.  
 
WITHIN 200 NM EAST OF THE COAST OF FLORIDA  
   
SYNOPSIS
 
HURRICANE ERIN IS CENTERED N OF THE AREA AND  
CONTINUES TO MOVE NNE AWAY FROM THE REGION. DESPITE ITS  
DISTANCE, LONG PERIOD NORTHERLY SWELLS GENERATED BY ERIN WILL  
CONTINUE TO AFFECT THE W ATLANTIC WATERS THROUGH THE NEXT FEW  
DAYS. IN THE WAKE OF ERIN, CENTRAL ATLANTIC HIGH PRESSURE WILL  
BUILD WSW TOWARD THE CENTRAL BAHAMAS AND THE STRAITS OF FLORIDA  
THROUGH THE PERIOD. AN AREA OF DISORGANIZED SHOWERS AND  
THUNDERSTORMS ASSOCIATED WITH A TROPICAL WAVE IS LOCATED A FEW  
HUNDRED MILES EAST OF THE LEEWARD ISLANDS. ENVIRONMENTAL  
CONDITIONS APPEAR CONDUCIVE FOR FURTHER DEVELOPMENT OF THIS  
SYSTEM, AND A TROPICAL DEPRESSION IS LIKELY TO FORM THIS WEEKEND  
WHILE IT MOVES NEAR OR TO THE NORTH OF THE NORTHERN LEEWARD  
ISLANDS THIS WEEKEND AND INTO EARLY NEXT WEEK.  
   
TONIGHT
 
SW WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN N TO NE SWELL.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
FRI
 
SW TO W WINDS 5 TO 10 KT S OF 27N, AND W 5 TO 10 KT N OF  
27N. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS.    
FRI NIGHT
 
S OF 27N, NW TO N WINDS 5 TO 10 KT, SHIFTING TO S  
AFTER MIDNIGHT. N OF 27N, SW TO W WINDS 5 TO 10 KT. SEAS 3 TO  
5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS.    
SAT
 
S TO SW WINDS LESS THAN 5 KT S OF 27N, AND SW 5 TO 10 KT N  
OF 27N. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND ISOLATED TSTMS.    
SAT NIGHT
 
S TO SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.    
SUN
 
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN NIGHT
 
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
S TO SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.    
TUE
 
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
SE TO S WINDS 5 TO 10 KT. SEAS 3 FT.  
 
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