687  
FZNT32 KNHC 230237  
OFFN21  
 
MARINE WEATHER HF VOICE BROADCAST  
NWS NATIONAL HURRICANE CENTER MIAMI, FL  
937 PM EST WED JAN 22 2020  
 
MARINE WEATHER HF VOICE BROADCAST FOR THE GULF OF MEXICO  
 
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE AVERAGE  
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE  
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.  
 
SYNOPSIS FOR THE GULF OF MEXICO  
   
SYNOPSIS
 
HIGH PRES EXTENDING FROM THE SE UNITED STATES  
SOUTHWARD TO THE YUCATAN PENINSULA WILL SLIDE E TONIGHT WITH  
STRONG S RETURN FLOW OVER THE WESTERN GULF, PERSISTING INTO THU.  
A COLD FRONT WILL MOVE OFF THE TX COAST THU NIGHT, STRETCHING  
FROM THE FLORIDA BIG BEND TO THE SW GULF BY FRI EVENING,  
WEAKENING AS IT MOVES SE OF THE GULF BY SAT NIGHT. HIGH PRES  
WILL AGAIN EXTEND SOUTHWARD ACROSS THE CENTRAL GULF SUN,  
SHIFTING E INTO EARLY NEXT WEEK AS LOW PRES AND ATTENDANT  
FRONTAL BOUNDARIES MAY DEVELOP IN THE WESTERN AND CENTRAL GULF.  
 
GULF OF MEXICO N OF 26N W OF 87W  
   
TONIGHT
 
SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.    
THU
 
SW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU NIGHT
 
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
FRI
 
N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT
 
E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN
 
SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
MON
 
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
 
GULF OF MEXICO FROM 22N TO 26N W OF 87W  
   
TONIGHT
 
SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.    
THU
 
SE WINDS 10 TO 15 KT, SHIFTING TO S IN THE AFTERNOON.  
SEAS 4 TO 6 FT.    
THU NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI
 
N WINDS LESS THAN 10 KT, SHIFTING TO NE IN THE AFTERNOON.  
SEAS 3 TO 4 FT.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.    
SUN
 
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
SUN NIGHT
 
NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON
 
N WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 4 TO 6 FT.    
MON NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.  
 
SW GULF OF MEXICO S OF 22N W OF 87W  
   
TONIGHT
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU
 
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
THU NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI
 
NE WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING,  
SUBSIDING TO 2 FT OR LESS.    
FRI NIGHT
 
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS, BUILDING TO  
3 FT AFTER MIDNIGHT.    
SAT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SAT NIGHT
 
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
SUN
 
SE WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN  
THE AFTERNOON. SEAS 3 TO 5 FT.    
SUN NIGHT
 
VARIABLE WINDS LESS THAN 10 KT, BECOMING NW LESS  
THAN 10 KT AFTER MIDNIGHT. SEAS 3 FT IN THE EVENING, SUBSIDING  
TO 2 FT OR LESS.    
MON
 
N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.    
MON NIGHT
 
E WINDS LESS THAN 10 KT. SEAS 3 FT.  
 
GULF OF MEXICO E OF 87W  
   
TONIGHT
 
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.    
THU
 
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
THU NIGHT
 
SE WINDS 10 TO 15 KT, SHIFTING TO S AFTER MIDNIGHT.  
SEAS 3 TO 5 FT.    
FRI
 
W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.    
FRI NIGHT
 
N WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT
 
N WINDS 10 TO 15 KT. SEAS 3 FT.    
SAT NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN
 
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.    
SUN NIGHT
 
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.    
MON
 
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.    
MON NIGHT
 
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.  
 
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