937  
FZNT24 KNHC 201425  
OFFNT4  
 
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1025 AM EDT THU AUG 20 2026  
 
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA  
 
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE AVERAGE  
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
GMZ001-210230-  
SYNOPSIS FOR THE GULF OF AMERICA  
1025 AM EDT THU AUG 20 2026  
   
SYNOPSIS
 
RELATIVELY WEAK HIGH PRESSURE CENTERED OVER THE  
CENTRAL GULF WILL PREVAIL OVER THE BASIN THROUGH THE FORECAST  
PERIOD. A WEAK PRESSURE PATTERN WILL SUPPORT MOSTLY GENTLE TO  
MODERATE WINDS AND SLIGHT TO LOCALLY MODERATE SEAS ACROSS MUCH  
OF THE BASIN. A SURFACE TROUGH WILL GENERATE FRESH TO LOCALLY  
STRONG WINDS NORTH AND WEST OF THE YUCATAN PENINSULA IN THE EARLY  
EVENINGS. THESE WINDS WILL SPREAD WESTWARD AWAY FROM THE PENINSULA  
AT NIGHT AS THE TROUGH MIGRATES INTO THE SW GULF.  
 

 
 
GMZ040-210230-  
NW GULF OF AMERICA INCLUDING STETSON BANK-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
S WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT
 
S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
FRI
 
S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
S WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT
 
S TO SW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
SAT NIGHT
 
S WINDS 10 KT. SEAS 3 FT OR LESS.    
SUN
 
S TO SW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.    
MON
 
S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN  
5 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ041-210230-  
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE  
SANCTUARY-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING S TO SW 10 KT  
LATE. SEAS 3 FT OR LESS.    
FRI
 
S TO SW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
SW WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT
 
W OF 92W, SW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
LESS THAN 5 KT. E OF 92W, VARIABLE WINDS LESS THAN 5 KT, BECOMING  
W 10 KT IN THE AFTERNOON. SEAS 3 FT OR LESS.    
SAT NIGHT
 
W OF 92W, VARIABLE WINDS LESS THAN 5 KT. E OF 92W,  
VARIABLE WINDS LESS THAN 5 KT, BECOMING W TO NW 10 KT LATE. SEAS  
3 FT OR LESS.    
SUN
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
W OF 92W, S WINDS 10 KT LATE. VARIABLE  
WINDS LESS THAN 5 KT IN THE EVENING. E OF 92W, VARIABLE LESS THAN  
5 KT. SEAS 3 FT OR LESS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ056-210230-  
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
VARIABLE WINDS LESS THAN 5 KT W OF 89W, AND NW 10 KT E  
OF 89W. SEAS 3 FT OR LESS.    
TONIGHT
 
W OF 89W, VARIABLE WINDS LESS THAN 5 KT. E OF 89W,  
VARIABLE WINDS LESS THAN 5 KT, BECOMING W 10 KT LATE.  
SEAS 3 FT OR LESS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 3 FT OR LESS.    
FRI NIGHT
 
W WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
SAT
 
W WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT NIGHT
 
W WINDS 10 KT. SEAS 3 FT OR LESS.    
SUN
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.   
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE 10 KT  
LATE. SEAS 3 FT OR LESS.  
 

 
 
GMZ057-210230-  
NE GULF OF AMERICA N OF 26N E OF 87W-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
NW WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND  
ISOLATED TSTMS.    
TONIGHT
 
W TO NW WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI
 
W TO NW WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT NIGHT
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.    
SUN
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.   
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE 10 KT  
LATE. SEAS 3 FT OR LESS.  
 

 
 
GMZ058-210230-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
FRI
 
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
FRI NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SAT
 
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.   
SAT NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
SUN
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
MON
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ045-210230-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
FRI
 
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
FRI NIGHT
 
NE TO E WINDS 10 TO 15 KT S OF 24N, AND VARIABLE  
LESS THAN 5 KT N OF 24N. SEAS 3 FT OR LESS.    
SAT
 
S OF 24N, E TO SE WINDS 10 TO 15 KT. N OF 24N, SE TO S  
WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN 5 KT.  
SEAS 2 TO 4 FT.    
SAT NIGHT
 
NE TO E WINDS 10 TO 15 KT S OF 24N, AND VARIABLE  
LESS THAN 5 KT N OF 24N. SEAS 3 FT OR LESS.    
SUN
 
S OF 24N, E TO SE WINDS 10 KT. N OF 24N, SE WINDS 10 KT IN  
THE MORNING, BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.   
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
MON
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ046-210230-  
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 KT N OF  
24N. SEAS 3 FT OR LESS.    
TONIGHT
 
E WINDS 10 TO 15 KT S OF 24N, AND VARIABLE LESS THAN  
5 KT N OF 24N. SEAS 3 FT OR LESS.    
FRI
 
E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 KT N OF  
24N. SEAS 3 FT OR LESS.    
FRI NIGHT
 
NE TO E WINDS 10 TO 15 KT S OF 24N, AND VARIABLE  
LESS THAN 5 KT N OF 24N. SEAS 3 FT OR LESS.    
SAT
 
SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN  
5 KT. SEAS 3 FT OR LESS.    
SAT NIGHT
 
E WINDS 10 TO 15 KT S OF 24N, AND VARIABLE LESS THAN  
5 KT N OF 24N. SEAS 3 FT OR LESS.    
SUN
 
E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 KT N OF  
24N. SEAS 3 FT OR LESS.    
SUN NIGHT
 
E WINDS 10 TO 15 KT S OF 24N, AND VARIABLE LESS THAN  
5 KT N OF 24N. SEAS 3 FT OR LESS.    
MON
 
E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 KT N OF  
24N. SEAS 3 FT OR LESS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ047-210230-  
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF  
FLORIDA-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
N TO NE WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT
 
S OF 24N, N TO NE WINDS 10 KT, SHIFTING TO E LATE. N  
OF 24N, VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR  
LESS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
NE TO E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN  
5 KT N OF 24N. SEAS 3 FT OR LESS.    
SAT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
SAT NIGHT
 
NE TO E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN  
5 KT N OF 24N. SEAS 3 FT OR LESS.    
SUN
 
S OF 24N, VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 KT  
IN THE AFTERNOON. N OF 24N, VARIABLE WINDS LESS THAN 5 KT. SEAS  
3 FT OR LESS.    
SUN NIGHT
 
NE TO E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN  
5 KT N OF 24N. SEAS 3 FT OR LESS.    
MON
 
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.  
 

 
 
GMZ048-210230-  
SW GULF OF AMERICA S OF 22N W OF 94W-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
FRI NIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
SAT
 
S OF 21N W OF 95W, E WINDS 10 KT IN THE MORNING, BECOMING  
VARIABLE LESS THAN 5 KT. ELSEWHERE, E WINDS 10 KT. SEAS 2 TO  
4 FT.    
SAT NIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SUN
 
SE WINDS 10 KT, SHIFTING TO NE TO E IN THE AFTERNOON. SEAS  
2 TO 4 FT.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
MON
 
E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ049-210230-  
CENTRAL BAY OF CAMPECHE-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
TONIGHT
 
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.    
FRI
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.   
FRI NIGHT
 
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
SAT
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
SAT NIGHT
 
NE WINDS 15 TO 20 KT. SEAS 3 FT OR LESS, BUILDING TO  
3 TO 5 FT LATE.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
SUN NIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS,  
BUILDING TO 3 TO 5 FT LATE.    
MON
 
E WINDS 10 KT. SEAS 3 TO 5 FT.    
MON NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 3 FT OR LESS,  
BUILDING TO 3 TO 5 FT LATE.  
 

 
 
GMZ050-210230-  
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-  
1025 AM EDT THU AUG 20 2026  
   
TODAY
 
E WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT
 
N TO NE WINDS 15 TO 20 KT, SHIFTING TO E LATE. SEAS  
3 TO 5 FT.    
FRI
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
SAT NIGHT
 
W OF 90W, N TO NE WINDS 15 TO 20 KT, SHIFTING TO E  
LATE. E OF 90W, NE WINDS 15 TO 20 KT, SHIFTING TO E TO  
SE 10 KT LATE. SEAS 3 FT OR LESS, BUILDING TO 3 TO 5 FT  
LATE.    
SUN
 
E TO SE WINDS 10 KT, SHIFTING TO NE IN THE AFTERNOON. SEAS  
2 TO 4 FT.    
SUN NIGHT
 
NE WINDS 15 TO 20 KT, SHIFTING TO E TO SE 10 TO  
15 KT LATE. SEAS 3 FT OR LESS, BUILDING TO 3 TO 5 FT  
LATE.    
MON
 
E TO SE WINDS 10 KT, SHIFTING TO NE IN THE AFTERNOON. SEAS  
3 TO 5 FT, SUBSIDING TO 3 FT OR LESS IN THE AFTERNOON.    
MON NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 3 FT OR LESS,  
BUILDING TO 3 TO 5 FT LATE.  
 

 
 
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