635  
FZNT24 KNHC 172049  
OFFNT4  
 
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
449 PM EDT SUN AUG 17 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.  
 
GMZ001-180900-  
SYNOPSIS FOR THE GULF OF AMERICA  
449 PM EDT SUN AUG 17 2025  
   
SYNOPSIS
 
WEAK HIGH PRESSURE WILL DRIFT ABOUT THE NW GULF  
THROUGH WED NIGHT AND ALLOW FOR GENERALLY LIGHT TO GENTLE WINDS  
AND SLIGHT SEAS. ATLANTIC HIGH PRESSURE WILL BUILD WESTWARD ALONG  
ABOUT 23N THU, AS HURRICANE ERIN MOVES NORTHWARD OF BERMUDA.  
 

 
 
GMZ040-180900-  
NW GULF OF AMERICA INCLUDING STETSON BANK-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
E WINDS 10 KT IN THE EVENING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
NE TO E WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING S 10 KT  
LATE. 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 S 10 KT  
LATE. SEAS 3 FT OR LESS.  
 

 
 
GMZ041-180900-  
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE  
SANCTUARY-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
NE WINDS 10 KT IN THE EVENING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING N TO NE 10 KT IN  
THE AFTERNOON. SEAS 3 FT OR LESS.    
MON NIGHT
 
NE TO E WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
TUE NIGHT
 
NE TO E WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 KT IN THE  
AFTERNOON. SEAS 3 FT OR LESS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
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 S TO SW  
10 KT LATE. SEAS 3 FT OR LESS.  
 

 
 
GMZ056-180900-  
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
N TO NE WINDS 10 KT IN THE EVENING, BECOMING VARIABLE  
LESS THAN 5 KT. SEAS 3 FT OR LESS.    
MON
 
N TO NE WINDS 10 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.   
TUE
 
NE WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING SW 10 KT  
LATE. SEAS 3 FT OR LESS.    
FRI
 
SW WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING S TO SW  
10 KT LATE. SEAS 3 FT OR LESS.  
 

 
 
GMZ057-180900-  
NE GULF OF AMERICA N OF 26N E OF 87W-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
MON
 
W OF 85W, VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 KT  
IN THE AFTERNOON. E OF 85W, VARIABLE WINDS LESS THAN 5 KT. SEAS  
3 FT OR LESS.    
MON NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
TUE
 
W OF 85W, N TO NE WINDS 10 KT IN THE MORNING, BECOMING  
VARIABLE LESS THAN 5 KT. E OF 85W, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING N TO NE 10 KT IN THE AFTERNOON. SEAS 3 FT OR LESS.    
TUE NIGHT
 
VARIABLE WINDS LESS THAN 5 KT W OF 85W, AND N TO NE  
10 KT E OF 85W. SEAS 3 FT OR LESS.    
WED
 
W OF 85W, VARIABLE WINDS LESS THAN 5 KT IN THE MORNING.  
VARIABLE WINDS LESS THAN 5 KT IN THE AFTERNOON. E OF 85W, N TO NE  
WINDS 10 KT IN THE MORNING. SEAS 3 FT OR LESS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
SW WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI
 
SW WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
SW WINDS 10 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ058-180900-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
NE TO E WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
NE WINDS 10 KT IN THE EVENING, BECOMING VARIABLE  
LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED NIGHT
 
NE TO E WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI
 
S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN  
5 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
SE WINDS 10 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ045-180900-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 KT IN THE  
AFTERNOON. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND ISOLATED  
TSTMS.    
MON NIGHT
 
NE WINDS 10 KT IN THE EVENING, BECOMING VARIABLE  
LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
TUE NIGHT
 
N TO NE WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
FRI
 
S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN  
5 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE 10 KT  
LATE. SEAS 3 FT OR LESS.  
 

 
 
GMZ046-180900-  
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
NE WINDS 10 KT. SEAS 3 FT OR LESS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
MON NIGHT
 
NE TO E 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.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING S 10 KT  
LATE. SEAS 3 FT OR LESS.    
THU
 
S TO SW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
S OF 24N, E TO SE WINDS 10 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, SE WINDS 10 KT. N OF 24N, VARIABLE WINDS  
LESS THAN 5 KT, BECOMING S 10 KT LATE. SEAS 3 FT OR  
LESS.  
 

 
 
GMZ047-180900-  
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF  
FLORIDA-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
NE WINDS 10 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
 
NW TO N WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED
 
W WINDS 10 KT. SEAS 3 FT OR LESS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU
 
SW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN  
5 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
VARIABLE WINDS LESS THAN 5 KT, BECOMING S TO SW  
10 KT LATE. SEAS 3 FT OR LESS.    
FRI
 
S OF 24N, S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
LESS THAN 5 KT. N OF 24N, SW WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
S OF 24N, SE WINDS 10 KT. N OF 24N, VARIABLE WINDS  
LESS THAN 5 KT, BECOMING S TO SW 10 KT LATE. SEAS 3 FT  
OR LESS.  
 

 
 
GMZ048-180900-  
SW GULF OF AMERICA S OF 22N W OF 94W-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
NE WINDS 10 KT IN THE EVENING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND ISOLATED  
TSTMS.    
MON
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
MON NIGHT
 
N TO NE WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
N TO NE WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ049-180900-  
CENTRAL BAY OF CAMPECHE-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
NE WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
MON
 
S OF 20N, VARIABLE WINDS LESS THAN 5 KT. N OF 20N, NE TO E  
WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN 5 KT.  
SEAS 3 FT OR LESS IN NE TO E SWELL, SUBSIDING TO 3 FT OR LESS IN  
THE AFTERNOON.    
MON NIGHT
 
NE WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
N TO NE WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED NIGHT
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU NIGHT
 
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
FRI NIGHT
 
E WINDS 10 KT. SEAS 3 FT OR LESS.  
 

 
 
GMZ050-180900-  
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-  
449 PM EDT SUN AUG 17 2025  
   
TONIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS. ISOLATED  
TSTMS.    
MON
 
W OF 90W, E WINDS 10 KT IN THE MORNING. VARIABLE WINDS  
LESS THAN 5 KT IN THE AFTERNOON. E OF 90W, VARIABLE WINDS LESS  
THAN 5 KT IN THE MORNING. SEAS 3 FT OR LESS.    
MON NIGHT
 
NE WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
TUE
 
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE NIGHT
 
N WINDS 10 KT, SHIFTING TO NE TO E LATE.  
SEAS 3 FT OR LESS.    
WED
 
W OF 90W, E TO SE WINDS 10 KT IN THE MORNING, BECOMING  
VARIABLE LESS THAN 5 KT. E OF 90W, SE TO S WINDS 10 KT, SHIFTING  
TO N IN THE AFTERNOON. SEAS 3 FT OR LESS.    
WED NIGHT
 
N TO NE WINDS 10 KT, SHIFTING TO E LATE.  
SEAS 3 FT OR LESS.    
THU
 
W OF 90W, VARIABLE WINDS LESS THAN 5 KT. E OF 90W, SE TO S  
WINDS 10 KT, SHIFTING TO NE IN THE AFTERNOON. SEAS 3 FT OR LESS.    
THU NIGHT
 
NE WINDS 10 KT, SHIFTING TO E TO SE LATE.  
SEAS 3 FT OR LESS.    
FRI
 
W OF 90W, SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
LESS THAN 5 KT. E OF 90W, SE TO S WINDS 10 KT, SHIFTING TO NE TO  
E IN THE AFTERNOON. SEAS 3 FT OR LESS.    
FRI NIGHT
 
NE TO E WINDS 10 KT, SHIFTING TO E TO SE LATE. SEAS  
3 FT OR LESS.  
 

 
 
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