507
FZNT32 KNHC 182025
OFFN21
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
325 PM EST THU DEC 18 2025
MARINE WEATHER HF VOICE BROADCAST FOR THE GULF OF AMERICA
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
THE PRESSURE GRADIENT BETWEEN A RIDGE ACROSS THE
WESTERN ATLANTIC AND A SURFACE TROUGH OVER THE EASTERN GULF IS
PRODUCING FRESH TO STRONG SE TO S WINDS ACROSS MOST OF THE
EASTERN HALF OF GULF. THESE WINDS WILL SHIFT NORTHWARD INTO THE
FLORIDA BIG BEND LATE THIS AFTERNOON AND DIMINISH. OTHERWISE,
WINDS ACROSS THE REST OF THE BASIN ARE VEERING TO THE S AND SW
AHEAD OF THE NEXT COLD FRONT, WHICH IS FORECAST TO MOVE INTO THE
NW GULF THIS EVENING. THE FRONT WILL THEN REACH FROM THE FLORIDA
BIG BEND TO NE MEXICO BY FRI MORNING, FROM SW FLORIDA TO NE
MEXICO FRI EVENING, THEN BEGIN TO LIFT NORTHWARD AND DISSIPATE
THROUGH SAT. THEN, A RIDGE WILL DOMINATE THE GULF WATERS THIS
UPCOMING WEEKEND INTO EARLY NEXT WEEK.
GULF OF AMERICA N OF 26N W OF 87W
TONIGHT
NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
S WINDS 10 TO 15 KT, SHIFTING TO SE AFTER MIDNIGHT.
SEAS 3 TO 4 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
GULF OF AMERICA FROM 22N TO 26N W OF 87W
TONIGHT
S WINDS LESS THAN 10 KT, SHIFTING TO N AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SW GULF OF AMERICA S OF 22N W OF 87W
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.
FRI
WITHIN 60 NM OF COAST OF VERACRUZ, NW WINDS LESS THAN
10 KT, SHIFTING TO N IN THE AFTERNOON. ELSEWHERE, NE WINDS LESS
THAN 10 KT. SEAS 2 FT OR LESS.
FRI NIGHT
N WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF
VERACRUZ, AND E 10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS,
BUILDING TO 3 FT AFTER MIDNIGHT.
SAT
WITHIN 60 NM OF COAST OF VERACRUZ, VARIABLE WINDS LESS
THAN 10 KT. ELSEWHERE, E WINDS 10 TO 15 KT, DIMINISHING TO LESS
THAN 10 KT IN THE AFTERNOON. SEAS 3 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 3 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
GULF OF AMERICA E OF 87W
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT IN THE
EVENING, SUBSIDING TO 2 FT OR LESS.
SUN
NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
TUE
E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
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