423  
FZNT25 KNHC 131505  
OFFN04  
 
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1105 AM EDT WED AUG 13 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  
THE NORTHERN EXTENSION OF A TROPICAL WAVE IS OVER  
THE EASTERN YUCATAN PENINSULA WITH SCATTERED MODERATE CONVECTION  
IN THE AREA. THIS ACTIVITY WILL FOLLOW THE WAVE AS IT MOVES WEST  
THROUGH THE BAY OF CAMPECHE TODAY. SOME TROPICAL DEVELOPMENT IS  
POSSIBLE IN THE SW GULF WHILE THE SYSTEM MOVES WNW OR NW, AND  
THERE IS A LOW CHANCE OF TROPICAL FORMATION OVER THE NEXT  
7 DAYS. OTHERWISE, GENTLE WINDS AND SLIGHT SEAS ARE EXPECTED  
THROUGH THE BASIN AS WEAK HIGH PRESSURE DOMINATES.  
   
THIS AFTERNOON  
SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. CHANCE  
OF SHOWERS AND ISOLATED TSTMS.    
TONIGHT  
SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. ISOLATED  
TSTMS.    
THU  
E WINDS LESS THAN 5 KT. SEAS 2 FT OR LESS. CHANCE OF  
TSTMS.    
THU NIGHT  
E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. CHANCE OF  
SHOWERS AND ISOLATED TSTMS.    
FRI  
NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
FRI NIGHT  
NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.   
SAT  
NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
SAT NIGHT  
NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
SUN  
E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
SUN NIGHT  
NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.  
 
WITHIN 200 NM EAST OF THE COAST OF FLORIDA  
   
SYNOPSIS  
TROPICAL STORM ERIN IS NEAR 16.3N 43.4W AT 11 AM  
EDT, AND IS MOVING WEST AT 15 KT. MAXIMUM SUSTAINED WINDS ARE  
40 KT WITH GUSTS TO 50 KT, AND THE MINIMUM CENTRAL PRESSURE IS  
1004 MB. ERIN WILL MOVE TO 16.3N 45.6W THIS EVENING, 16.6N 48.6W  
THU MORNING, 17.4N 51.5W THU EVENING, STRENGTHEN TO A HURRICANE  
NEAR 18.2N 54.3W FRI MORNING, 19.0N 57.2W FRI EVENING, AND 19.9N  
60.0W SAT MORNING. ERIN WILL CHANGE LITTLE IN INTENSITY AS IT  
MOVES TO 21.7N 64.6W BY EARLY SUN. ELSEWHERE, A WEAK PRESSURE  
GRADIENT WILL RESULT IN GENTLE TO MODERATE WINDS AND MAINLY SLIGHT  
SEAS THROUGH LATE WEEK.  
   
THIS AFTERNOON  
SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. SLIGHT  
CHANCE OF SHOWERS AND ISOLATED TSTMS.    
TONIGHT  
SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
THU  
SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. SLIGHT CHANCE OF  
TSTMS.    
THU NIGHT  
SE WINDS 10 KT. SEAS 2 FT OR LESS. CHANCE OF SHOWERS  
AND SLIGHT CHANCE OF TSTMS.    
FRI  
E TO SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
FRI NIGHT  
E TO SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
SAT  
NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
SAT NIGHT  
E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
SUN  
NE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
SUN NIGHT  
NE TO E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.  
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