677  
FZNT26 KNHC 240057  
OFFN05  
 
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
857 PM EDT SAT AUG 23 2025  
 
...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE  
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED  
COASTAL WATERS FORECASTS...  
   
SYNOPSIS
 
THE RECENTLY FORMED FERNAND WILL PROMOTE A SE WIND  
FLOW FOR THE REST OF TONIGHT. A LONG PERIOD NORTHERLY SWELL FROM  
DISTANT EXTRATROPICAL ERIN WILL SPREAD ACROSS THE ISLANDS  
THROUGH EARLY NEXT WEEK, RESULTING IN HAZARDOUS SEAS FOR THE  
ATLANTIC WATERS AND CARIBBEAN PASSAGES THROUGH EARLY NEXT WEEK.  
THE EASTERLY WINDS WILL RETURN TOMORROW. ANOTHER TROPICAL WAVE  
WILL MOVE INTO THE CARIBBEAN AROUND MONDAY, MOVING MAINLY TO THE  
SOUTH OF THE USVI AND PR BETWEEN TUESDAY OR WEDNESDAY.  
 
SAN JUAN ATLANTIC WATERS  
   
OVERNIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 7 FT IN  
N SWELL. ISOLATED SHOWERS.    
SUN
 
E 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 TO 20 KT. SEAS 7 TO 8 FT.    
MON NIGHT
 
E WINDS 15 TO 20 KT. SEAS 7 TO 8 FT.    
TUE
 
E WINDS 15 KT. SEAS 7 TO 8 FT IN NE SWELL.    
TUE NIGHT
 
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
WED
 
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
WED NIGHT
 
E TO SE WINDS 5 TO 10 KT. SEAS 4 TO 5 FT IN  
N TO NE SWELL.    
THU
 
E TO SE WINDS 10 KT. SEAS 4 TO 5 FT.    
THU NIGHT
 
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT.  
 
SAN JUAN CARIBBEAN WATERS  
   
OVERNIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
SCATTERED SHOWERS.    
SUN
 
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.  
ISOLATED SHOWERS.    
MON
 
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
MON NIGHT
 
E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT.    
TUE
 
E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT
 
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.    
WED
 
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
WED NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
THU NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
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