287   
FZNT27 KNHC 180840  
OFFN06  
  
NAVTEX MARINE FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
440 AM EDT THU JUN 18 2026  
  
...PLEASE REFER TO COASTAL WATERS FORECASTS (CWF) AVAILABLE  
THROUGH NOAA WEATHER RADIO AND OTHER MEANS FOR DETAILED  
COASTAL WATERS FORECASTS...  
   
SYNOPSIS  
POST-TROPICAL STORM ARTHUR HAS DISSIPATED INLAND  
ACROSS SE TEXAS WITH THE LOW LEVEL REMNANTS EXPECTED TO  
ACCELERATE TOWARD THE NE THROUGH FRI. STRONG THUNDERSTORMS  
OCCURRING WELL TO THE SE OF THESE REMNANTS OF ARTHUR ARE ACROSS  
SE LOUISIANA AND THE ADJACENT COASTAL WATERS, AND WILL SHIFT NE  
AND INLAND TODAY. ATLANTIC HIGH PRESSURE HAS BEGUN TO BUILD  
WESTWARD ACROSS FLORIDA AND INTO THE GULF BASIN TONIGHT, AND  
WILL TIGHTEN THE PRESSURE GRADIENT THROUGH THU NIGHT TO SUSTAIN  
FRESH TO STRONG SOUTHERLY WINDS OVER THE WESTERN AND CENTRAL  
GULF, AND MODERATE TO FRESH WINDS OVER THE EASTERN GULF. EXPECT  
ROUGH SEAS N OF 27N AND OFFSHORE OF THE LOUISIANA COAST THIS  
MORNING TO SHIFT EASTWARD WITH THESE WINDS THROUGH THU NIGHT  
BEFORE DIMINISHING. WINDS AND SEAS WILL DIMINISH BASIN-WIDE LATE  
FRI THROUGH THE WEEKEND AS WEAK HIGH PRESSURE SETTLES OVER THE  
EASTERN GULF.    
  
NORTHWEST GULF OF AMERICA  
   
TODAY  
S WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.    
TONIGHT  
SE TO S WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.    
FRI  
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN SE SWELL.    
FRI NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
SAT  
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SUN  
SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT  
SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.    
MON  
SE TO S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.    
MON NIGHT  
SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
  
NORTH CENTRAL AND NORTHEAST GULF OF AMERICA  
   
TODAY  
S WINDS 20 TO 25 KT. SEAS 6 TO 9 FT. SCATTERED SHOWERS  
AND ISOLATED TSTMS.    
TONIGHT  
S TO SW WINDS 15 TO 20 KT. SEAS 6 TO 9 FT.    
FRI  
S TO SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.    
FRI NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
SAT  
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SAT NIGHT  
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN  
S TO SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.    
SUN NIGHT  
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
MON  
S TO SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT.    
MON NIGHT  
S TO SW WINDS 5 TO 10 KT. SEAS 3 FT.  
 
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