318  
FZNT25 KNHC 132045  
OFFN04  
 
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
445 PM 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 YUCATAN PENINSULA WITH SCATTERED MODERATE CONVECTION IN THE  
AREA. THIS ACTIVITY WILL FOLLOW THE WAVE AS IT MOVES WEST  
THROUGH THE BAY OF CAMPECHE TONIGHT. 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.  
   
TONIGHT
 
SE WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. ISOLATED  
TSTMS.    
THU
 
E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS. CHANCE OF TSTMS.    
THU NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. CHANCE OF  
SHOWERS AND ISOLATED TSTMS.    
FRI
 
NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
FRI NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SAT
 
NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SAT NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SUN
 
E WINDS 5 TO 10 KT. SEAS 2 FT OR LESS.    
SUN NIGHT
 
NE TO E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
MON
 
E TO SE 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 45.0W AT 5 PM EDT,  
AND IS MOVING WEST AT 15 KT. MAXIMUM SUSTAINED WINDS ARE 45 KT  
WITH GUSTS TO 55 KT, AND THE MINIMUM CENTRAL PRESSURE IS 1001 MB.  
ERIN WILL MOVE TO 16.3N 47.2W THU MORNING, 16.9N 50.1W THU  
AFTERNOON, STRENGTHEN TO A HURRICANE NEAR 17.6N 53.0W FRI MORNING,  
18.4N 55.9W FRI AFTERNOON, 19.3N 58.8W SAT MORNING, AND 20.2N  
61.4W SAT AFTERNOON. ERIN WILL CHANGE LITTLE IN INTENSITY AS IT  
MOVES TO 22.2N 65.8W BY SUN AFTERNOON. ELSEWHERE, A WEAK PRESSURE  
GRADIENT WILL RESULT IN GENTLE TO MODERATE WINDS AND MAINLY SLIGHT  
SEAS THROUGH LATE WEEK.  
   
TONIGHT
 
E TO SE WINDS 10 TO 15 KT S OF 27N, AND SE TO S 10 TO  
15 KT N OF 27N. 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 TO 15 KT. SEAS 2 FT OR LESS. CHANCE OF  
SHOWERS AND ISOLATED TSTMS.    
FRI
 
E WINDS 10 TO 15 KT S OF 27N, AND SE TO S 5 TO 10 KT N OF  
27N. SEAS 2 FT OR LESS.    
FRI NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.    
SAT
 
S OF 27N, E WINDS 10 TO 15 KT. N OF 27N, SE WINDS 5 TO  
10 KT, SHIFTING TO NE IN THE AFTERNOON. SEAS 2 FT OR LESS.    
SAT NIGHT
 
E WINDS 10 TO 15 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.    
MON
 
N TO NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT.  
 
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