421  
FZNT26 KNHC 221918  
OFFN05  
 
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
318 PM EDT SAT AUG 22 2026  
 
...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE  
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED  
COASTAL WATERS FORECASTS...  
   
SYNOPSIS
 
THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE OVER THE  
WESTERN ATLANTIC AND LOWER PRESSURE OVER THE CARIBBEAN WILL  
ALLOW FOR MODERATE TRADES ACROSS THE ATLANTIC WATERS AND FRESH  
TRADES OVER CARIBBEAN WATERS. MODERATE SEAS ARE FORECAST ACROSS  
THE REGIONAL WATERS. A TROPICAL WAVE IS EXPECTED TO MOVE ACROSS  
THE EASTERN CARIBBEAN TUE THROUGH EARLY WED, AND ACROSS THE  
EASTERN PART OF THE CENTRAL CARIBBEAN DURING THE REST OF WED.  
ANOTHER TROPICAL WAVE MAY APPROACH THE LESSER ANTILLES AND FAR  
EASTERN CARIBBEAN LATE ON WED. THESE WAVES WILL FRESHEN THE TRADE  
WIND FLOW ACROSS THOSE WATERS.  
 
SAN JUAN ATLANTIC WATERS  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 FT. ISOLATED SHOWERS.    
SUN
 
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ISOLATED  
SHOWERS.    
SUN NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ISOLATED  
SHOWERS.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
TUE NIGHT
 
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
WED
 
E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
WED NIGHT
 
E WINDS 15 KT. SEAS 4 TO 5 FT.    
THU
 
E WINDS 15 KT. SEAS 5 FT.    
THU NIGHT
 
E WINDS 15 KT. SEAS 5 FT.  
 
SAN JUAN CARIBBEAN WATERS  
   
TONIGHT
 
E WINDS 15 KT. SEAS 3 TO 5 FT. ISOLATED SHOWERS.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ISOLATED SHOWERS.    
SUN NIGHT
 
E WINDS 15 KT. SEAS 3 TO 4 FT. ISOLATED SHOWERS.    
MON
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED SHOWERS.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE
 
E WINDS 15 KT. SEAS 3 TO 4 FT.    
TUE NIGHT
 
E WINDS 15 KT. SEAS 3 TO 4 FT.    
WED
 
E WINDS 15 KT. SEAS 4 TO 5 FT.    
WED NIGHT
 
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.    
THU
 
E WINDS 15 KT. SEAS 4 TO 5 FT.    
THU NIGHT
 
E WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.  
 
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