525  
FZNT24 KNHC 212019  
OFFNT4  
 
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
419 PM EDT THU AUG 21 2025  
 
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.  
 
GMZ001-220830-  
SYNOPSIS FOR THE GULF OF AMERICA  
419 PM EDT THU AUG 21 2025  
   
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.  
 

 
 
GMZ040-220830-  
NW GULF OF AMERICA INCLUDING STETSON BANK-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
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
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE TO S  
10 KT LATE. SEAS 3 FT OR LESS.    
SAT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE TO S  
10 KT LATE. 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, BECOMING S 10 KT  
LATE. SEAS 3 FT OR LESS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE
 
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ041-220830-  
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE  
SANCTUARY-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
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
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.   
SAT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 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. SEAS 3 FT OR LESS.   
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
W OF 92W, VARIABLE WINDS LESS THAN 5 KT, BECOMING SE  
TO S 10 KT LATE. E OF 92W, VARIABLE WINDS LESS THAN  
5 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ056-220830-  
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING S TO SW 10 KT  
LATE. SEAS 3 FT OR LESS.    
FRI
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT W OF 89W, AND SW 10 KT  
E OF 89W. SEAS 3 FT OR LESS.    
SAT
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
SAT NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
SUN
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 5 KT W OF 89W, AND SW TO W  
10 KT E OF 89W. 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. SEAS 3 FT OR LESS.   
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ057-220830-  
NE GULF OF AMERICA N OF 26N E OF 87W-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
SW WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI
 
SW WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND  
ISOLATED TSTMS.    
FRI NIGHT
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
SAT
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
SAT NIGHT
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.    
SUN
 
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
W WINDS 10 KT. SEAS 3 FT OR LESS.    
MON
 
W WINDS 10 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
W WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ058-220830-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
E WINDS 10 KT, SHIFTING TO SE LATE. SEAS  
3 FT OR LESS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
FRI NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT
 
SE TO S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND ISOLATED  
TSTMS.    
SAT NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
SUN
 
SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN  
5 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
MON
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ045-220830-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE 10 KT LATE.  
SEAS 3 FT OR LESS.    
FRI
 
SE TO S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
S OF 24N, E WINDS 10 KT. N OF 24N, VARIABLE WINDS  
LESS THAN 5 KT, BECOMING SE 10 KT LATE. SEAS 3 FT OR  
LESS.    
SAT
 
S OF 24N, SE WINDS 10 KT. N OF 24N, SE TO S WINDS 10 KT IN  
THE MORNING, BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
SAT NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SUN
 
SE TO S WINDS 10 TO 15 KT. 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
 
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
TUE
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
TUE NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.  
 

 
 
GMZ046-220830-  
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
S OF 24N, E TO SE WINDS 10 TO 15 KT. N OF 24N,  
VARIABLE WINDS LESS THAN 5 KT, BECOMING S 10 KT LATE.  
SEAS 3 FT OR LESS.    
FRI
 
S WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
S OF 24N, E TO SE WINDS 10 TO 15 KT. N OF 24N,  
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE TO S 10 KT LATE. SEAS  
3 FT OR LESS.    
SAT
 
S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
SAT NIGHT
 
S OF 24N, E WINDS 10 TO 15 KT. N OF 24N, VARIABLE  
WINDS LESS THAN 5 KT, BECOMING SE TO S 10 KT LATE. SEAS  
3 FT OR LESS.    
SUN
 
S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
S OF 24N, E WINDS 10 TO 15 KT. N OF 24N, VARIABLE  
WINDS LESS THAN 5 KT, BECOMING SE TO S 10 KT LATE. SEAS  
2 TO 4 FT.    
MON
 
E TO SE WINDS 10 TO 15 KT S OF 24N, AND VARIABLE LESS THAN  
5 KT N OF 24N. SEAS 2 TO 4 FT.    
MON NIGHT
 
S OF 24N, E WINDS 10 TO 15 KT. N OF 24N, VARIABLE  
WINDS LESS THAN 5 KT, BECOMING E TO SE 10 KT LATE. SEAS  
2 TO 4 FT.    
TUE
 
S OF 24N, E WINDS 10 KT. N OF 24N, E TO SE WINDS 10 KT IN  
THE MORNING, BECOMING VARIABLE LESS THAN 5 KT. SEAS 2 TO 4 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.  
 

 
 
GMZ047-220830-  
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF  
FLORIDA-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING S 10 KT LATE.  
SEAS 3 FT OR LESS.    
FRI
 
S OF 24N, SE TO S WINDS 10 KT IN THE MORNING, BECOMING  
VARIABLE LESS THAN 5 KT. N OF 24N, S TO SW WINDS 10 KT. SEAS 3 FT  
OR LESS.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE TO S  
10 KT LATE. SEAS 3 FT OR LESS.    
SAT
 
S WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND  
ISOLATED TSTMS.    
SAT NIGHT
 
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.    
SUN
 
VARIABLE WINDS LESS THAN 5 KT S OF 24N, AND S TO SW 10 KT  
N OF 24N. 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
 
E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 KT N OF  
24N. SEAS 3 FT OR LESS.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.   
TUE
 
NE TO E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 KT  
N OF 24N. SEAS 3 FT OR LESS.    
TUE NIGHT
 
NE TO E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN  
5 KT N OF 24N. SEAS 3 FT OR LESS.  
 

 
 
GMZ048-220830-  
SW GULF OF AMERICA S OF 22N W OF 94W-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
NE WINDS 10 KT, SHIFTING TO E TO SE LATE.  
SEAS 3 FT OR LESS.    
FRI
 
SE TO S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
E WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
SAT
 
S OF 21N W OF 95W, E TO SE WINDS 10 KT IN THE MORNING,  
BECOMING VARIABLE LESS THAN 5 KT. ELSEWHERE, E TO SE WINDS 10 KT.  
SEAS 3 FT OR LESS. SCATTERED SHOWERS AND ISOLATED TSTMS.    
SAT NIGHT
 
S OF 21N W OF 95W, E WINDS 10 KT IN THE EVENING,  
BECOMING VARIABLE LESS THAN 5 KT. ELSEWHERE, E WINDS 10 KT. SEAS  
3 FT OR LESS.    
SUN
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT S OF 21N W OF 95W, AND E  
10 KT ELSEWHERE. SEAS 3 FT OR LESS.    
MON NIGHT
 
E WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT S OF 21N W OF 95W, AND E  
10 KT ELSEWHERE. SEAS 3 FT OR LESS.    
TUE NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.  
 

 
 
GMZ049-220830-  
CENTRAL BAY OF CAMPECHE-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
FRI
 
S OF 20N, SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
LESS THAN 5 KT. N OF 20N, E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.   
FRI NIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SAT NIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SUN
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SUN NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
MON
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.   
MON NIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
TUE
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.  
 

 
 
GMZ050-220830-  
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-  
419 PM EDT THU AUG 21 2025  
   
TONIGHT
 
NE WINDS 10 TO 15 KT, SHIFTING TO E TO SE LATE. SEAS  
3 FT OR LESS.    
FRI
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
NE WINDS 10 TO 15 KT, SHIFTING TO E TO SE LATE. SEAS  
3 FT OR LESS.    
SAT
 
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SAT NIGHT
 
N TO NE WINDS 15 TO 20 KT, SHIFTING TO E 10 TO 15 KT  
LATE. SEAS 3 FT OR LESS.    
SUN
 
SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.  
SEAS 3 FT OR LESS.    
SUN NIGHT
 
NE WINDS 15 TO 20 KT, SHIFTING TO E TO SE 10 TO  
15 KT LATE. SEAS 2 TO 4 FT.    
MON
 
SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.  
SEAS 2 TO 4 FT.    
MON NIGHT
 
E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
TUE
 
E TO SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE  
AFTERNOON. SEAS 2 TO 4 FT.    
TUE NIGHT
 
E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.  
 

 
 
FORECASTER ERA  
 
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