263  
FZNT26 KNHC 212029  
OFFN05  
 
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
429 PM EDT THU AUG 21 2025  
 
...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE  
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED  
COASTAL WATERS FORECASTS...  
   
SYNOPSIS  
IN THE WAKE OF HURRICANE ERIN, THE CENTRAL ATLANTIC  
HIGH PRESSURE WILL BUILD WEST-SOUTHWESTWARD TOWARD THE BAHAMAS.  
THIS WILL ALLOW FOR THE NORMAL TRADE WIND FLOW TO RETURN TO THE  
REGIONAL WATERS THROUGH THE PERIOD. LONG-PERIOD NORTHERLY SWELL  
GENERATED BY ERIN WILL BEGIN TO IMPACT THE ATLANTIC WATERS ON  
FRI. AN AREA OF DISORGANIZED SHOWERS AND THUNDERSTORMS  
ASSOCIATED WITH A TROPICAL WAVE IS LOCATED A FEW HUNDRED MILES  
EAST OF THE LEEWARD ISLANDS. ENVIRONMENTAL CONDITIONS APPEAR  
CONDUCIVE FOR FURTHER DEVELOPMENT OF THIS SYSTEM, AND A TROPICAL  
DEPRESSION IS LIKELY TO FORM THIS WEEKEND WHILE IT MOVES NEAR OR  
TO THE NORTH OF THE NORTHERN LEEWARD ISLANDS.  
 
SAN JUAN ATLANTIC WATERS  
   
TONIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
FRI  
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
FRI NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
SAT  
E TO SE WINDS 5 TO 10 KT. SEAS 5 TO 7 FT IN NW TO N  
SWELL. SCATTERED SHOWERS AND ISOLATED TSTMS.    
SAT NIGHT  
E TO SE WINDS 5 TO 10 KT. SEAS 6 TO 7 FT IN N  
SWELL.    
SUN  
E TO SE WINDS 10 TO 15 KT. SEAS 7 TO 8 FT IN N SWELL.    
SUN NIGHT  
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT IN N SWELL.    
MON  
E WINDS 10 TO 15 KT. SEAS 7 TO 8 FT IN N TO NE SWELL.    
MON NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 7 FT IN N TO NE  
SWELL.    
TUE  
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT IN N TO NE SWELL.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 6 TO 7 FT IN N TO NE  
SWELL.  
 
SAN JUAN CARIBBEAN WATERS  
   
TONIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI  
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI NIGHT  
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
SAT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN  
E WINDS 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.    
MON  
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.    
TUE  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
TUE NIGHT  
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.  
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