599  
FZNT25 KNHC 200856  
OFFN04  
 
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
456 AM EDT WED AUG 20 2025  
 
...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE  
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED  
COASTAL WATERS FORECASTS...  
 
SOUTHEAST GULF OF AMERICA  
   
SYNOPSIS  
A WEAK RIDGE WILL CONTINUE TO DOMINATE THE AREA  
THROUGH THE PERIOD ALLOWING FOR GENERALLY LIGHT TO GENTLE WINDS  
AND SLIGHT SEAS.  
   
TODAY  
S OF 24N, VARIABLE WINDS LESS THAN 5 KT, BECOMING W TO  
NW 10 KT IN THE AFTERNOON. N OF 24N, W TO NW WINDS 10 KT. SEAS  
3 FT OR LESS. ISOLATED SHOWERS AND THUNDERSTORMS.   
TONIGHT  
NW WINDS 10 KT IN THE EVENING, BECOMING VARIABLE LESS  
THAN 5 KT. SEAS 3 FT OR LESS. ISOLATED SHOWERS AND THUNDERSTORMS.   
THU  
SW WINDS 10 KT. SEAS 3 FT OR LESS. ISOLATED SHOWERS AND  
THUNDERSTORMS.   
THU NIGHT  
VARIABLE WINDS LESS THAN 5 KT, BECOMING S 10 KT  
LATE. SEAS 3 FT OR LESS. ISOLATED SHOWERS AND THUNDERSTORMS.   
FRI  
S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN  
5 KT. SEAS 3 FT OR LESS.    
FRI NIGHT  
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, VARIABLE WINDS LESS THAN 5 KT, BECOMING E 10 KT  
IN THE AFTERNOON. N OF 24N, VARIABLE WINDS 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.    
SUN  
E WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN 5 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.  
 
WITHIN 200 NM EAST OF THE COAST OF FLORIDA  
   
SYNOPSIS  
HURRICANE ERIN IS CENTERED NEAR 28.9N 73.3W, OR ABOUT  
480 NM WEST-SOUTHWEST OF BERMUDA AT 5 AM EDT, AND IS MOVING  
NORTH-NORTHWEST AT 11 KT. MAXIMUM SUSTAINED WINDS ARE 85 KT WITH  
GUSTS TO 105 KT, AND THE MINIMUM CENTRAL PRESSURE IS 954 MB. ERIN  
WILL STRENGTHEN SLIGHTLY AS IT MOVES TO NEAR 30.6N 73.5W THIS  
AFTERNOON, TO NORTH OF THE AREA NEAR 33.0N 72.8W LATE TONIGHT AND  
WELL NORTH-NORTHEAST OF THE REGION THROUGH AS IT BEGINS TO SLOWLY  
WEAKEN AND EVENTUALLY BECOMING POST-TROPICAL. SWELLS GENERATED BY  
ERIN WILL AFFECT THE BAHAMAS, BERMUDA AND THE EAST COAST OF THE  
UNITED STATES DURING THE NEXT SEVERAL DAYS. OTHERWISE, A TROPICAL  
WAVE LOCATED OVER THE CENTRAL TROPICAL ATLANTIC CONTINUES TO  
PRODUCE A BROAD AREA OF DISORGANIZED SHOWERS AND THUNDERSTORMS.  
ENVIRONMENTAL CONDITIONS APPEAR CONDUCIVE FOR GRADUAL DEVELOPMENT  
OF THIS SYSTEM, AND A TROPICAL DEPRESSION COULD FORM LATE THIS  
WEEK OR OVER THE WEEKEND WHILE IT MOVES NEAR OR TO THE NORTH OF  
THE NORTHERN LEEWARD ISLANDS.  
   
TODAY  
W WINDS 10 TO 15 KT S OF 27N, AND NW 20 TO 30 KT N OF  
27N. SEAS 7 TO 10 FT IN NE SWELL. SCATTERED SHOWERS AND  
THUNDERSTORMS.    
TONIGHT  
SW TO W WINDS 10 TO 15 KT S OF 27N, AND W TO NW 20 TO  
25 KT N OF 27N. SEAS 7 TO 10 FT IN N TO NE SWELL. SCATTERED  
SHOWERS AND THUNDERSTORMS.    
THU  
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. SCATTERED SHOWERS AND  
THUNDERSTORMS.   
THU NIGHT  
SW TO W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN N TO NE  
SWELL. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.   
FRI  
NW WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN N TO NE SWELL.    
FRI NIGHT  
E TO SE WINDS LESS THAN 5 KT, SHIFTING TO S LATE.  
SEAS 3 TO 5 FT IN N TO NE SWELL.    
SAT  
S TO SW WINDS LESS THAN 5 KT. SEAS 3 TO 5 FT IN N TO NE  
SWELL.    
SAT NIGHT  
S TO SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT IN N TO NE  
SWELL.   
SUN  
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT IN N TO NE SWELL.    
SUN NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
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