820
FZNT32 KNHC 180925
OFFN21
MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI, FL
425 AM 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 ACROSS THE E CENTRAL GULF
WILL PRODUCE FRESH TO STRONG S TO SE WINDS TODAY ACROSS THE
EASTERN GULF THAT WILL SHIFT NORTHWARD INTO THE FLORIDA BIG BEND
LATE THIS AFTERNOON AND DIMINISH. OTHERWISE, WINDS ACROSS THE
REST OF THE BASIN WILL VEER TO THE S AND SW TODAY 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
NEAR BROWNSVILLE, TEXAS BY FRI MORNING, FROM SW FLORIDA TO NE
MEXICO FRI EVENING, THEN BEGIN TO LIFT NORTHWARD AND DISSIPATE
THROUGH SAT. HIGH PRESSURE WILL MOVE INTO THE NE GULF SAT
AFTERNOON THROUGH SUN.
GULF OF AMERICA N OF 26N W OF 87W
TODAY
SW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI
NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
GULF OF AMERICA FROM 22N TO 26N W OF 87W
TODAY
S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
TONIGHT
S WINDS LESS THAN 10 KT, SHIFTING TO N AFTER
MIDNIGHT. SEAS 3 TO 5 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 LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
E WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.
SW GULF OF AMERICA S OF 22N W OF 87W
TODAY
SE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
TONIGHT
E WINDS LESS THAN 10 KT. SEAS 3 FT.
FRI
WITHIN 60 NM OF COAST OF VERACRUZ, N WINDS LESS THAN
10 KT, INCREASING TO 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE, NE
WINDS 10 TO 15 KT, DIMINISHING TO LESS THAN 10 KT IN THE
AFTERNOON. SEAS 3 FT.
FRI NIGHT
WITHIN 60 NM OF COAST OF VERACRUZ, N WINDS LESS
THAN 10 KT IN THE EVENING, BECOMING VARIABLE WINDS LESS THAN
10 KT. ELSEWHERE, NE WINDS 10 TO 15 KT, SHIFTING TO E AFTER
MIDNIGHT. SEAS 3 TO 4 FT.
SAT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT.
SUN
E WINDS LESS THAN 10 KT. SEAS 3 FT.
SUN NIGHT
E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.
MON
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
GULF OF AMERICA E OF 87W
TODAY
S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 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.
SUN
NE WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT IN
THE AFTERNOON. SEAS 3 TO 4 FT.
SUN NIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
MON
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page