152  
FZNT24 KNHC 201456  
OFFNT4  
 
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1056 AM EDT SUN SEP 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.  
 
GMZ001-210300-  
SYNOPSIS FOR THE GULF OF AMERICA  
1056 AM EDT SUN SEP 20 2026  
   
SYNOPSIS  
WEAK RIDGING NORTH OF THE GULF WILL MAINTAIN GENERALLY  
GENTLE TO MODERATE WINDS ACROSS THE BASIN THROUGH MID WEEK. A  
VIGOROUS UPPER-LEVEL LOW AND ASSOCIATED SURFACE LOW OR TROUGH OVER  
THE CENTRAL GULF WILL CONTRIBUTE TO SCATTERED SHOWERS AND  
THUNDERSTORMS OVER THE EASTERN GULF THROUGH THE MIDWEEK, WITH THE  
STRAITS OF FLORIDA THE MOST ACTIVE AREA.  
 
 
 
GMZ040-210300-  
NW GULF OF AMERICA INCLUDING STETSON BANK-  
1056 AM EDT SUN SEP 20 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.    
MON  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
TUE  
NE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
WED  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
WED NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
 
 
GMZ041-210300-  
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE  
SANCTUARY-  
1056 AM EDT SUN SEP 20 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.    
MON  
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 TO 15 KT IN  
THE AFTERNOON. SEAS 3 FT OR LESS.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
TUE  
NE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
TUE NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
WED  
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU  
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.  
 
 
 
GMZ056-210300-  
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-  
1056 AM EDT SUN SEP 20 2026  
   
TODAY  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
TONIGHT  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON NIGHT  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED  
NE WINDS 10 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU  
NE WINDS 10 KT. SEAS 2 TO 4 FT.    
THU NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.  
 
 
 
GMZ057-210300-  
NE GULF OF AMERICA N OF 26N E OF 87W-  
1056 AM EDT SUN SEP 20 2026  
   
TODAY  
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
TONIGHT  
E WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
MON  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON NIGHT  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE NIGHT  
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.    
WED  
NE TO E WINDS 10 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  
NE WINDS 10 KT. SEAS 3 FT OR LESS.    
THU NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ058-210300-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-  
1056 AM EDT SUN SEP 20 2026  
   
TODAY  
W OF 96W, VARIABLE WINDS LESS THAN 5 KT, BECOMING N TO  
NE 10 KT IN THE AFTERNOON. E OF 96W, N TO NE WINDS 10 KT. SEAS  
3 FT OR LESS.    
TONIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
MON  
VARIABLE WINDS LESS THAN 5 KT W OF 96W, AND E 10 KT E OF  
96W. SEAS 3 FT OR LESS IN NE TO E SWELL, SUBSIDING TO 3 FT OR  
LESS IN THE AFTERNOON.    
MON NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
TUE  
W OF 96W, VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 KT  
IN THE AFTERNOON. E OF 96W, NE WINDS 10 TO 15 KT. SEAS 3 FT OR  
LESS.    
TUE NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
WED  
NE WINDS 10 KT. SEAS 2 TO 4 FT.    
WED NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU  
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
 
 
GMZ045-210300-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-  
1056 AM EDT SUN SEP 20 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT S OF 24N, AND E TO SE  
10 KT N OF 24N. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND ISOLATED  
TSTMS.    
TONIGHT  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON  
S OF 24N, VARIABLE WINDS LESS THAN 5 KT. N OF 24N,  
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 KT IN THE  
AFTERNOON. SEAS 3 FT OR LESS IN NE TO E SWELL, SUBSIDING TO 3 FT  
OR LESS IN THE AFTERNOON.    
MON NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
TUE  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
WED  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.   
WED NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU  
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
 
 
GMZ046-210300-  
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-  
1056 AM EDT SUN SEP 20 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TONIGHT  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
MON  
S OF 24N, VARIABLE LESS THAN 5 KT. VARIABLE WINDS LESS  
THAN 5 KT IN THE MORNING. N OF 24N, NE WINDS 10 KT IN THE  
AFTERNOON. SEAS 3 FT OR LESS.    
MON NIGHT  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE  
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE TO E 10 KT IN  
THE AFTERNOON. SEAS 3 FT OR LESS IN SE SWELL, SUBSIDING TO 3 FT  
OR LESS IN THE AFTERNOON.    
TUE NIGHT  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
WED  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.   
WED NIGHT  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
THU  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.    
THU NIGHT  
E WINDS 10 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ047-210300-  
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF  
FLORIDA-  
1056 AM EDT SUN SEP 20 2026  
   
TODAY  
S TO SW WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
TONIGHT  
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE TO S 10 KT  
LATE. SEAS 3 FT OR LESS.    
MON  
S WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND  
ISOLATED TSTMS.    
MON NIGHT  
S OF 24N, SE WINDS 10 KT. N OF 24N, VARIABLE WINDS  
LESS THAN 5 KT, BECOMING SE 10 KT LATE. SEAS 3 FT OR  
LESS.    
TUE  
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
TUE NIGHT  
SE WINDS 10 KT. SEAS 3 FT OR LESS.    
WED  
S OF 24N, SE TO S WINDS 10 KT IN THE MORNING. VARIABLE  
WINDS LESS THAN 5 KT IN THE AFTERNOON. N OF 24N, VARIABLE WINDS  
LESS THAN 5 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  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ048-210300-  
SW GULF OF AMERICA S OF 22N W OF 94W-  
1056 AM EDT SUN SEP 20 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
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. SEAS 3 FT OR LESS.    
MON NIGHT  
S OF 21N W OF 95W, VARIABLE LESS THAN 5 KT. WINDS N  
TO NE WINDS 10 KT IN THE EVENING. ELSEWHERE, E TO SE WINDS LATE.  
SEAS 3 FT OR LESS.    
TUE  
S OF 21N W OF 95W, NW TO N WINDS 10 KT IN THE AFTERNOON.  
VARIABLE WINDS LESS THAN 5 KT IN THE MORNING. ELSEWHERE, VARIABLE  
LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TUE NIGHT  
S OF 21N W OF 95W, W TO NW WINDS LATE.  
WINDS N TO NE 10 KT IN THE EVENING. ELSEWHERE, VARIABLE LESS THAN  
5 KT. SEAS 3 FT OR LESS.    
WED  
NW TO N WINDS 10 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
N WINDS 10 KT. SEAS 3 FT OR LESS.    
THU  
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.    
THU NIGHT  
N WINDS 10 KT. SEAS 2 TO 4 FT.  
 
 
 
GMZ049-210300-  
CENTRAL BAY OF CAMPECHE-  
1056 AM EDT SUN SEP 20 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TONIGHT  
N TO 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. 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 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  
N TO NE WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU  
VARIABLE WINDS LESS THAN 5 KT, BECOMING N TO NE 10 KT IN  
THE AFTERNOON. SEAS 3 FT OR LESS.    
THU NIGHT  
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ050-210300-  
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-  
1056 AM EDT SUN SEP 20 2026  
   
TODAY  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
TONIGHT  
N TO NE WINDS 10 KT, SHIFTING TO E LATE.  
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, SHIFTING TO E LATE.  
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, SHIFTING TO E TO SE LATE. SEAS  
3 FT OR LESS.    
WED  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
E WINDS 10 KT. SEAS 3 FT OR LESS.    
THU  
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 KT IN THE  
AFTERNOON. SEAS 3 FT OR LESS.    
THU NIGHT  
E WINDS 10 KT. SEAS 3 FT OR LESS.  
 
 
 
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