284   
FZNT26 KNHC 211506  
OFFN05  
  
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1106 AM 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 SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A   
TROPICAL WAVE LOCATED A FEW HUNDRED MILES EAST OF THE LEEWARD   
ISLANDS HAS CHANGED LITTLE OVER THE PAST SEVERAL HOURS.   
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  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
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 5 TO 10 KT. SEAS 5 TO 6 FT IN NW TO N  
SWELL.    
SAT  
E TO SE WINDS 5 TO 10 KT. SEAS 5 TO 7 FT IN NW TO N  
SWELL.    
SAT NIGHT  
SE WINDS 5 TO 10 KT. SEAS 6 TO 8 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 15 KT. SEAS 7 TO 8 FT IN N TO NE SWELL.    
MON NIGHT  
E WINDS 15 KT. SEAS 7 TO 8 FT IN N TO NE SWELL.    
  
SAN JUAN CARIBBEAN WATERS  
   
THIS AFTERNOON  
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TONIGHT  
NE TO E WINDS 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  
SE WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT NIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN  
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
E WINDS 15 KT. SEAS 4 TO 6 FT.    
MON  
E WINDS 15 KT. SEAS 5 TO 6 FT.    
MON NIGHT  
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.  
 
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