723  
FZNT24 KNHC 181316  
OFFNT4  
 
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
916 AM EDT TUE AUG 18 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.  
 
GMZ001-190130-  
SYNOPSIS FOR THE GULF OF AMERICA  
916 AM EDT TUE AUG 18 2026  
   
SYNOPSIS  
HIGH PRESSURE WILL PREVAIL ACROSS THE GULF WATERS  
THROUGH THE WEEK. A WEAK PRESSURE PATTERN WILL SUPPORT MOSTLY  
GENTLE TO MODERATE WINDS ACROSS MUCH OF THE BASIN. A DIURNALLY  
INDUCED SURFACE TROUGH WILL GENERATE FRESH TO LOCALLY STRONG WINDS  
NORTH AND WEST OF THE YUCATAN PENINSULA EARLY EACH EVENING. THESE  
WINDS WILL SPREAD WESTWARD AWAY FROM THE YUCATAN AT NIGHT AS THE  
TROUGH MIGRATES INTO THE SW GULF. SLIGHT TO MODERATE SEAS ARE  
EXPECTED THROUGH THE FORECAST PERIOD.  
 
 
 
GMZ040-190130-  
NW GULF OF AMERICA INCLUDING STETSON BANK-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TONIGHT  
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.    
WED  
SE TO S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
THU  
S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
THU NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
FRI  
S WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT  
S WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT  
S 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.  
 
 
 
GMZ041-190130-  
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE  
SANCTUARY-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT, BECOMING S 10 KT LATE.  
SEAS 3 FT OR LESS.    
WED  
S TO SW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.    
THU  
S TO SW WINDS 10 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  
S TO SW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
FRI NIGHT  
S TO SW WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT  
SW WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT NIGHT  
SW WINDS 10 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ056-190130-  
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT W OF 89W, AND W TO NW  
10 KT E OF 89W. SEAS 3 FT OR LESS.    
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT W OF 89W, AND W 10 KT E  
OF 89W. SEAS 3 FT OR LESS.    
WED  
W OF 89W, SW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE  
LESS THAN 5 KT. E OF 89W, W WINDS 10 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
SW WINDS 10 KT. SEAS 3 FT OR LESS.    
THU  
W WINDS 10 KT. SEAS 3 FT OR LESS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT W OF 89W, AND W 10 KT  
E OF 89W. SEAS 3 FT OR LESS.    
FRI  
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT  
W OF 89W, VARIABLE WINDS LESS THAN 5 KT, BECOMING SW  
10 KT LATE. E OF 89W, SW TO W WINDS 10 KT. SEAS 3 FT OR  
LESS.    
SAT  
W WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT NIGHT  
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ057-190130-  
NE GULF OF AMERICA N OF 26N E OF 87W-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
W TO NW WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT  
W WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED  
W TO NW WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
WED NIGHT  
W TO NW WINDS 10 KT. SEAS 3 FT OR LESS.    
THU  
W TO NW WINDS 10 KT. SEAS 3 FT OR LESS.    
THU NIGHT  
W TO NW WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI  
W WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT  
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT  
W WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SAT NIGHT  
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ058-190130-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED  
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
THU  
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
THU NIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
FRI  
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
FRI NIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SAT  
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SAT NIGHT  
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ045-190130-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED  
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
THU  
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
THU NIGHT  
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  
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
SAT  
S OF 24N, E TO SE WINDS 10 TO 15 KT. N OF 24N, 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. SEAS 3 FT OR LESS.  
 
 
 
GMZ046-190130-  
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
NE TO E WINDS 10 KT. SEAS 2 TO 4 FT.    
TONIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED  
S OF 24N, E TO SE WINDS 10 TO 15 KT. N OF 24N, E TO SE  
WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN 5 KT.  
SEAS 3 FT OR LESS.    
WED NIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
THU  
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 3 FT OR LESS.    
THU 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  
3 FT OR LESS.    
FRI  
S OF 24N, E WINDS 10 TO 15 KT. N OF 24N, 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 TO 15 KT. N OF 24N, VARIABLE  
WINDS LESS THAN 5 KT, BECOMING SE 10 KT LATE. SEAS 3 FT  
OR LESS.    
SAT  
E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 KT N OF  
24N. 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.  
 
 
 
GMZ047-190130-  
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF  
FLORIDA-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
NE TO E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN  
5 KT N OF 24N. SEAS 2 TO 4 FT.    
TONIGHT  
S OF 24N, NE TO E WINDS 10 KT. N OF 24N, NE WINDS  
10 KT IN THE EVENING, BECOMING VARIABLE LESS THAN 5 KT. SEAS 2 TO  
4 FT.    
WED  
VARIABLE WINDS LESS THAN 5 KT, BECOMING N TO NE 10 KT IN  
THE AFTERNOON. SEAS 3 FT OR LESS.    
WED NIGHT  
S OF 24N, NE WINDS 10 KT. N OF 24N, N WINDS 10 KT IN  
THE EVENING, BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.   
THU  
NE TO E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 KT  
N OF 24N. SEAS 3 FT OR LESS.    
THU NIGHT  
S OF 24N, NE TO E WINDS 10 KT. N OF 24N, N WINDS  
10 KT IN THE EVENING, BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT  
OR LESS.    
FRI  
NE TO 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 KT S OF 24N, AND VARIABLE LESS THAN  
5 KT N OF 24N. SEAS 3 FT OR LESS.    
SAT  
S OF 24N, NE WINDS 10 KT IN THE AFTERNOON. VARIABLE WINDS  
LESS THAN 5 KT IN THE MORNING. N OF 24N, VARIABLE 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.  
 
 
 
GMZ048-190130-  
SW GULF OF AMERICA S OF 22N W OF 94W-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
S OF 21N W OF 95W, VARIABLE WINDS LESS THAN 5 KT,  
BECOMING N 10 KT IN THE AFTERNOON. ELSEWHERE, NE WINDS 10 KT.  
SEAS 3 FT OR LESS. SCATTERED SHOWERS AND ISOLATED TSTMS.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
WED  
S OF 21N W OF 95W, 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.    
WED NIGHT  
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU  
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 TO  
15 KT. SEAS 3 FT OR LESS.    
THU NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
FRI  
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
SAT  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
SAT NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ049-190130-  
CENTRAL BAY OF CAMPECHE-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
TONIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
WED  
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.    
THU  
E TO SE WINDS 15 TO 20 KT, DIMINISHING TO 10 KT IN THE  
AFTERNOON. SEAS 2 TO 4 FT.    
THU NIGHT  
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.   
FRI  
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.   
FRI NIGHT  
NE TO E 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 TO E WINDS 15 TO 20 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ050-190130-  
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-  
916 AM EDT TUE AUG 18 2026  
   
TODAY  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT  
NE TO E WINDS 15 TO 20 KT. SEAS 3 FT OR LESS.    
WED  
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
NE WINDS 15 TO 20 KT, SHIFTING TO E LATE.  
SEAS 2 TO 4 FT.    
THU  
SE WINDS 10 TO 15 KT, SHIFTING TO NE TO E IN THE  
AFTERNOON. SEAS 3 FT OR LESS.    
THU NIGHT  
NE WINDS 15 TO 20 KT, SHIFTING TO E LATE.  
SEAS 2 TO 4 FT.    
FRI  
E TO SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE  
AFTERNOON. SEAS 2 TO 4 FT.    
FRI NIGHT  
NE WINDS 15 TO 20 KT, SHIFTING TO E TO SE LATE. SEAS  
2 TO 4 FT.    
SAT  
E TO SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE  
AFTERNOON. SEAS 2 TO 4 FT.    
SAT NIGHT  
NE TO E WINDS 15 TO 20 KT. SEAS 3 FT OR LESS.  
 
 
 
FORECASTER AL  
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