821   
FZNT26 KNHC 181620  
OFFN05  
  
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
1220 PM EDT MON AUG 18 2025  
  
...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE  
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED  
COASTAL WATERS FORECASTS...  
   
SYNOPSIS  
HURRICANE ERIN IS CENTERED NEAR 23.1N 70.8W AT   
18/1500 UTC OR 100 NM N OF GRAND TURK ISLAND, MOVING WNW AT 9 KT.  
ESTIMATED MINIMUM CENTRAL PRESSURE IS 935 MB. MAXIMUM SUSTAINED   
WIND SPEED IS 120 KT WITH GUSTS TO 145 KT. ERIN WILL MOVE TO   
24.2N 71.6W THIS EVENING, 25.7N 72.5W TUE MORNING, 27.4N 73.2W   
TUE EVENING, 29.5N 73.5W WED MORNING, 31.7N 73.1W WED EVENING,   
AND 33.9N 71.6W THU MORNING. BANDS OF SHOWERS AND THUNDERSTORMS   
CONTINUE OVER THE ISLAND ASSOCIATED WITH ERIN. FRESH S TO SW   
WINDS OVER THE NORTH-CENTRAL CARIBBEAN AND THROUGH THE ATLANTIC   
PASSAGES WILL CONTINUE THROUGH TONIGHT AS ERIN LIFTS   
NORTHWESTWARD TO NORTHWARD, WITH WINDS DIMINISHING THROUGH TUE.   
ROUGH SEAS ARE EXPECTED IN THE MONA PASSAGE TODAY BEFORE SEAS   
SUBSIDE TONIGHT. MODERATE TO LOCALLY FRESH TRADE WINDS AND   
MODERATE ARE THEN EXPECTED LATE TUE THROUGH LATE THIS WEEK OVER   
THE CENTRAL AND EASTERN BASIN AS HIGH PRESSURE BUILDS IN THE WAKE  
OF ERIN.   
  
SAN JUAN ATLANTIC WATERS  
   
..TROPICAL STORM WARNING  
  
   
THIS AFTERNOON  
TROPICAL STORM CONDITIONS POSSIBLE. SE TO S  
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN W TO NW SWELL. SCATTERED   
SHOWERS AND ISOLATED TSTMS.    
TONIGHT  
SE TO S WINDS 20 TO 25 KT. SEAS 7 TO 10 FT IN W TO NW  
SWELL. SCATTERED SHOWERS AND ISOLATED TSTMS.    
TUE  
SE TO S WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.    
TUE NIGHT  
SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.    
WED  
SE WINDS 15 TO 20 KT. SEAS 5 TO 6 FT.    
WED NIGHT  
E WINDS 15 TO 20 KT. SEAS 5 TO 6 FT.    
THU  
E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
THU NIGHT  
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.    
FRI  
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.    
  
SAN JUAN CARIBBEAN WATERS  
   
THIS AFTERNOON  
SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.  
SCATTERED SHOWERS AND ISOLATED TSTMS.    
TONIGHT  
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED  
SHOWERS AND ISOLATED TSTMS.    
TUE  
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
TUE NIGHT  
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
WED  
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT.    
WED NIGHT  
E WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.    
THU  
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
THU NIGHT  
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
FRI  
NE WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.    
 
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