559  
FZNT25 KNHC 120831  
OFFN04  
 
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
431 AM EDT WED AUG 12 2026  
 
...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
 
THE WESTERN ATLANTIC RIDGE EXTENDS WESTWARD INTO THE  
NE GULF, AND WILL CHANGE LITTLE THROUGH SAT BEFORE WEAKENING  
SUN. THIS PATTERN WILL PRODUCE MOSTLY GENTLE TO MODERATE E TO SE  
WINDS ACROSS THE BASIN, WITH PULSES OF FRESH WINDS OCCURRING  
NORTH AND WEST OF THE YUCATAN PENINSULA AND INTO THE BAY OF  
CAMPECHE EACH EVENING AND NIGHT, AS A DIURNAL SURFACE TROUGH  
MIGRATES FROM THE YUCATAN PENINSULA WESTWARD ACROSS THE SW GULF.  
SLIGHT TO MODERATE SEAS ARE EXPECTED THROUGH THE FORECAST  
PERIOD.  
   
TODAY
 
NE WINDS 5 TO 10 KT. SEAS 3 FT IN THE MORNING, SUBSIDING  
TO 2 FT OR LESS.    
TONIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
THU
 
NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
THU NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
FRI
 
NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
FRI NIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS,  
BUILDING TO 3 FT AFTER MIDNIGHT.    
SAT
 
NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 FT.    
SUN NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT.  
 
WITHIN 200 NM EAST OF THE COAST OF FLORIDA  
   
SYNOPSIS
 
HIGH PRESSURE OVER THE CENTRAL ATLANTIC NEAR 50W  
EXTENDS WESTWARD ALONG 27N-28N TO FLORIDA, AND WILL SINK  
SLIGHTLY SOUTHWARD THU, THEN CHANGE LITTLE THROUGH FRI NIGHT,  
BEFORE WEAKENING OVER THE WEEKEND. WINDS WILL FRESHEN FROM E TO  
W, AND SOUTH OF 23N EARLY THU THROUGH SAT, BEHIND A TROPICAL  
WAVE MOVING ACROSS THE CARIBBEAN.  
   
TODAY
 
S TO SW WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
TONIGHT
 
SE TO S WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
THU
 
S WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
THU NIGHT
 
E WINDS 10 TO 15 KT S OF 27N, AND S 5 TO 10 KT N OF  
27N. SEAS 2 FT OR LESS. SCATTERED SHOWERS AND ISOLATED TSTMS.    
FRI
 
SE WINDS 10 TO 15 KT. SEAS 3 FT IN THE MORNING, SUBSIDING  
TO 2 FT OR LESS.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN
 
SE TO S WINDS 10 TO 15 KT, SHIFTING TO NE TO E 5 TO 10 KT  
IN THE AFTERNOON. SEAS 3 TO 4 FT.    
SUN NIGHT
 
E TO SE WINDS 5 TO 10 KT, SHIFTING TO S AFTER  
MIDNIGHT. SEAS 3 FT IN THE EVENING, SUBSIDING TO 2 FT OR LESS.  
 
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