309  
FZNT24 KNHC 210925 CCA  
OFFNT4  
 
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA...CORRECTED  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
511 AM EDT MON JUL 21 2025  
 
CORRECTED ZONE GN047 TONIGHT PERIOD  
 
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.  
 
GMZ001-212115-  
SYNOPSIS FOR THE GULF OF AMERICA  
511 AM EDT MON JUL 21 2025  
   
SYNOPSIS  
RELATIVELY WEAK HIGH PRESSURE WILL PREVAIL ACROSS  
THE BASIN THROUGH THE MIDDLE OF THE WEEK PRODUCING GENTLE TO  
MODERATE WINDS ALONG WITH SLIGHT TO MODERATE SEAS. FRESH TO  
LOCALLY STRONG NORTHEAST TO EAST WINDS WILL PULSE ALONG THE  
YUCATAN PENINSULA EACH AFTERNOON AND EVENING THROUGH WED AS  
A TROUGH DEVELOPS INLAND DAILY AND SHIFTS WESTWARD OVER THE BAY  
OF CAMPECHE AT NIGHT. LOOKING AHEAD, WINDS MAY INCREASE TO FRESH  
SPEEDS ACROSS THE NE AND NORTH-CENTRAL GULF BY THU AS A WEAK  
AREA OF LOW PRESSURE POSSIBLY MOVES ACROSS THE NORTHERN GULF.  
WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED OVER MOST OF THE  
EASTERN AND NORTH-CENTRAL GULF WATERS STARTING TUE.  
 
 
 
GMZ040-212115-  
NW GULF OF AMERICA INCLUDING STETSON BANK-  
511 AM EDT MON JUL 21 2025  
   
TODAY  
SE TO S WINDS 10 KT. SEAS 3 TO 4 FT.    
TONIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.   
TUE  
SE WINDS 10 KT. SEAS 3 TO 4 FT.   
TUE NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT IN SE SWELL.   
WED NIGHT  
SE TO S WINDS 10 KT. SEAS 3 TO 4 FT.    
THU  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT IN SE SWELL.   
THU NIGHT  
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT.    
FRI  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 4  
 
 
 
GMZ041-212115-  
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE  
SANCTUARY-  
511 AM EDT MON JUL 21 2025  
   
TODAY  
SE TO S WINDS 10 KT W OF 92W, AND VARIABLE LESS THAN  
5 KT E OF 92W. SEAS 2 TO 3 FT.    
TONIGHT  
SE TO S WINDS 10 KT. SEAS 2 TO 3 FT.    
TUE  
S TO SW WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS.    
TUE NIGHT  
E WINDS 10 KT, SHIFTING TO SE TO S LATE. SEAS 3 FT  
OR LESS.    
WED  
W OF 92W, VARIABLE WINDS LESS THAN 5 KT IN THE MORNING.  
VARIABLE WINDS LESS THAN 5 KT IN THE AFTERNOON. E OF 92W, W TO NW  
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  
W OF 92W, VARIABLE WINDS LESS THAN 5 KT. E OF 92W,  
VARIABLE WINDS LESS THAN 5 KT, BECOMING NW 10 KT IN THE  
AFTERNOON. SEAS 3 FT OR LESS.    
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
FRI  
SW TO W WINDS 10 KT. SEAS 3 FT OR LESS.    
FRI NIGHT  
S TO SW WINDS 10 KT. SEAS 3 FT OR LESS.  
 
 
 
GMZ056-212115-  
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-  
511 AM EDT MON JUL 21 2025  
   
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.    
TUE  
VARIABLE WINDS LESS THAN 5 KT W OF 89W, AND NW 10 KT E OF  
89W. SEAS 3 FT OR LESS.    
TUE NIGHT  
W OF 89W, VARIABLE WINDS LESS THAN 5 KT IN THE  
EVENING. VARIABLE WINDS LESS THAN 5 KT LATE. E OF 89W,  
NW WINDS 10 KT IN THE EVENING. SEAS 3 FT OR LESS.    
WED  
NW WINDS 10 KT. SEAS 3 FT OR LESS.    
WED NIGHT  
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.    
THU  
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI  
S TO SW WINDS 10 KT. SEAS 3 TO 4 FT.   
FRI NIGHT  
S WINDS 10 KT. SEAS 3 TO 4 FT.  
 
 
 
GMZ057-212115-  
NE GULF OF AMERICA N OF 26N E OF 87W-  
511 AM EDT MON JUL 21 2025  
   
TODAY  
N WINDS 10 KT. SEAS 2 TO 3 FT.    
TONIGHT  
NW WINDS 10 KT. SEAS 2 TO 3 FT.    
TUE  
NW WINDS 10 KT. SEAS 2 TO 3 FT. SCATTERED TO NUMEROUS  
SHOWERS AND THUNDERSTORMS.    
TUE NIGHT  
W TO NW WINDS 10 KT IN THE EVENING, BECOMING  
VARIABLE LESS THAN 5 KT. SEAS 2 TO 3 FT. SCATTERED TO NUMEROUS  
SHOWERS AND THUNDERSTORMS.    
WED  
W OF 85W, W TO NW WINDS 10 KT. E OF 85W, VARIABLE WINDS  
LESS THAN 5 KT, BECOMING S TO SW 10 KT IN THE AFTERNOON. SEAS  
3 TO 4 FT.    
WED NIGHT  
S TO SW WINDS 10 KT. SEAS 3 TO 4 FT.    
THU  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.   
THU NIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI  
SE TO S WINDS 10 KT. SEAS 3 TO 4 FT.   
FRI NIGHT  
SE TO S WINDS 10 KT. SEAS 3 TO 4 FT.  
 
 
 
GMZ058-212115-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-  
511 AM EDT MON JUL 21 2025  
   
TODAY  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.   
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED  
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT.   
WED NIGHT  
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT.    
THU  
W OF 96W, VARIABLE WINDS LESS THAN 5 KT, BECOMING SE TO S  
10 KT EARLY IN THE EVENING. E OF 96W, VARIABLE WINDS LESS THAN  
5 KT. SEAS 2 TO 4 FT.   
THU NIGHT  
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
FRI  
SE TO S WINDS 10 KT. SEAS 3 TO 4 FT.   
FRI NIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
 
 
GMZ045-212115-  
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-  
511 AM EDT MON JUL 21 2025  
   
TODAY  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
WED  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT  
E WINDS 10 KT. SEAS 3 TO 4 FT..    
THU  
SE TO S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 2 TO 3 FT.    
THU 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 2 TO 3 FT.   
FRI  
S WINDS 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT  
SE WINDS 10 KT. SEAS 3 TO 4 FT.  
 
 
 
GMZ046-212115-  
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-  
511 AM EDT MON JUL 21 2025  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE  
NE TO E WINDS 10 KT. SEAS 3 TO 4 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.    
WED  
S OF 24N, SE WINDS 10 KT IN THE LATE MORNING AND EARLY  
AFTERNOON, BECOMING VARIABLE LESS THAN 5 KT. N OF 24N, VARIABLE  
WINDS LESS THAN 5 KT, BECOMING N 10 KT EARLY IN THE EVENING. SEAS  
2 TO 4 FT IN SE TO S SWELL.    
WED NIGHT  
NE WINDS 10 KT, SHIFTING TO SE TO S EARLY IN THE  
MORNING. SEAS 2 TO 4 FT.    
THU  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU NIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
 
 
GMZ047-212115-  
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF  
FLORIDA-  
511 AM EDT MON JUL 21 2025  
   
TODAY  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
TONIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED  
SHOWERS AND THUNDERSTORMS.    
TUE  
S OF 24N, NE TO E WINDS 10 KT. N OF 24N, VARIABLE WINDS  
LESS THAN 5 KT, BECOMING N 10 KT EARLY IN THE EVENING. SEAS 2 TO 3  
FT. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.    
TUE NIGHT  
S OF 24N, E WINDS 10 KT IN THE LATE EVENING AND  
EARLY MORNING. VARIABLE WINDS LESS THAN 5 KT EARLY IN THE  
MORNING. N OF 24N, VARIABLE WINDS LESS THAN 5 KT IN THE LATE  
EVENING AND EARLY MORNING. SEAS 2 TO 3 FT. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS.    
WED  
VARIABLE WINDS LESS THAN 5 KT S OF 24N, AND S 10 KT N OF  
24N. SEAS 2 TO 3 FT.    
WED NIGHT  
SE WINDS 10 KT. SEAS 3 TO 4 FT.   
THU  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI  
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.   
FRI NIGHT  
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.  
 
 
 
GMZ048-212115-  
SW GULF OF AMERICA S OF 22N W OF 94W-  
511 AM EDT MON JUL 21 2025  
   
TODAY  
S OF 21N W OF 95W, VARIABLE WINDS LESS THAN 5 KT, BECOMING  
NE 10 KT EARLY IN THE EVENING. ELSEWHERE, NE TO E WINDS 10 KT.  
SEAS 2 TO 3 FT. ISOLATED SHOWERS AND THUNDERSTORMS.    
TONIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
TUE  
NE TO E WINDS 10 KT. SEAS 3 TO 4 FT. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
WED  
S OF 21N W OF 95W, VARIABLE WINDS LESS THAN 5 KT, BECOMING  
N 10 KT EARLY IN THE EVENING. ELSEWHERE, NE WINDS 10 KT. SEAS  
2 TO 3 FT.   
WED NIGHT  
NE TO E WINDS 10 KT. SEAS 3 TO 4 FT.   
THU  
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT IN NE SWELL.   
THU NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI  
SE WINDS 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
 
 
GMZ049-212115-  
CENTRAL BAY OF CAMPECHE-  
511 AM EDT MON JUL 21 2025  
   
TODAY  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED SHOWERS  
AND THUNDERSTORMS.    
TONIGHT  
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
TUE  
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED SHOWERS AND  
THUNDERSTORMS.    
TUE NIGHT  
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. ISOLATED  
SHOWERS AND THUNDERSTORMS.    
WED  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
THU  
E WINDS 10 KT. SEAS 3 TO 4 FT.    
THU NIGHT  
NE WINDS 10 KT, BECOMING E TO SE 15 TO 20 KT LATE.  
SEAS 3 TO 4 FT.   
FRI  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
 
 
GMZ050-212115-  
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-  
511 AM EDT MON JUL 21 2025  
   
TODAY  
E TO SE WINDS 10 TO 15 KT, BECOMING N TO NE 15 TO 20 KT  
EARLY IN THE EVENING. SEAS 3 TO 5 FT.    
TONIGHT  
E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.    
TUE  
E TO SE WINDS 10 TO 15 KT, SHIFTING TO N TO NE EARLY IN  
THE EVENING. SEAS 3 TO 5 FT.    
TUE NIGHT  
NE WINDS 15 TO 20 KT, SHIFTING TO E TO SE EARLY IN  
THE MORNING. SEAS 4 TO 6 FT.    
WED  
SE WINDS 10 TO 15 KT, SHIFTING TO N TO NE EARLY IN THE  
EVENING. SEAS 3 TO 5 FT.    
WED NIGHT  
NE WINDS 10 TO 15 KT, SHIFTING TO E TO SE EARLY IN  
THE MORNING. SEAS 3 TO 5 FT.    
THU  
SE TO S WINDS 10 TO 15 KT, SHIFTING TO W TO NW EARLY IN  
THE EVENING. SEAS 3 TO 5 FT.    
THU NIGHT  
NE WINDS 10 TO 15 KT, SHIFTING TO E TO SE EARLY IN  
THE MORNING. SEAS 3 TO 5 FT.    
FRI  
W OF 90W, SE WINDS 10 TO 15 KT, SHIFTING TO N TO NE EARLY  
IN THE EVENING. E OF 90W, E WINDS 15 TO 20 KT. SEAS 3 FT OR LESS.   
FRI NIGHT  
NE WINDS 15 TO 20 KT, BECOMING E TO SE 10 TO 15 KT  
LATE. SEAS 3 TO 5 FT.  
 
 
 
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