449
FZNT24 KNHC 190320
OFFNT4
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1020 PM EST THU DEC 18 2025
OFFSHORE WATERS FORECAST 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.
GMZ001-191530-
SYNOPSIS FOR THE GULF OF AMERICA
1020 PM EST THU DEC 18 2025
SYNOPSIS
WINDS ACROSS THE BASIN ARE VEERING TO THE S AND SW
AHEAD OF A COLD FRONT ENTERING THE NW GULF TONIGHT. THE FRONT
WILL 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.
GMZ040-191530-
NW GULF OF AMERICA INCLUDING STETSON BANK-
1020 PM EST THU DEC 18 2025
OVERNIGHT
N TO NE WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN E SWELL.
FRI NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.
SUN NIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
MON
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
TUE
E TO SE WINDS 10 KT. SEAS 2 TO 4 FT.
TUE NIGHT
E TO SE WINDS 10 KT. SEAS 2 TO 4 FT.
GMZ041-191530-
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE
SANCTUARY-
1020 PM EST THU DEC 18 2025
OVERNIGHT
W TO NW WINDS 20 TO 25 KT, SHIFTING TO N TO NE EARLY
IN THE MORNING. SEAS 4 TO 6 FT.
FRI
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
GMZ056-191530-
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-
1020 PM EST THU DEC 18 2025
OVERNIGHT
W WINDS 15 TO 20 KT, SHIFTING TO NW EARLY IN THE
MORNING. SEAS 4 TO 6 FT.
FRI
N TO NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 10 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS 10 KT. SEAS 2 TO 4 FT.
SAT NIGHT
SE TO S WINDS 10 KT, SHIFTING TO NE TO E EARLY IN
THE MORNING. SEAS 3 FT OR LESS.
SUN
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN NIGHT
E WINDS 15 KT. SEAS 2 TO 4 FT.
MON
E WINDS 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 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 IN E TO SE
SWELL.
GMZ057-191530-
NE GULF OF AMERICA N OF 26N E OF 87W-
1020 PM EST THU DEC 18 2025
OVERNIGHT
W WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FRI
N WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 KT IN THE LATE MORNING AND EARLY AFTERNOON,
BECOMING VARIABLE LESS THAN 5 KT. SEAS 2 TO 4 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 KT
EARLY IN THE MORNING. SEAS 3 FT OR LESS.
SUN
NE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
MON
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
TUE
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
GMZ058-191530-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-
1020 PM EST THU DEC 18 2025
OVERNIGHT
SE TO S WINDS 10 KT, SHIFTING TO N 15 TO 20 KT EARLY
IN THE MORNING. SEAS 3 TO 5 FT.
FRI
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
TUE
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
TUE NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ045-191530-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-
1020 PM EST THU DEC 18 2025
OVERNIGHT
S WINDS 10 KT, SHIFTING TO N EARLY IN THE MORNING.
SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
GMZ046-191530-
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-
1020 PM EST THU DEC 18 2025
OVERNIGHT
NW TO N WINDS 10 KT. SEAS 2 TO 4 FT.
FRI
N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 KT. SEAS 2 TO 4 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN NIGHT
NE TO E WINDS 15 KT. SEAS 3 TO 5 FT.
MON
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
MON NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
TUE
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
TUE NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN E
SWELL.
GMZ047-191530-
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF
FLORIDA-
1020 PM EST THU DEC 18 2025
OVERNIGHT
SW WINDS 10 KT, SHIFTING TO NW EARLY IN THE MORNING.
SEAS 3 TO 5 FT.
FRI
N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SUN NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
MON
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
MON NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN E
SWELL.
TUE
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN E SWELL.
TUE NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN E
SWELL.
GMZ048-191530-
SW GULF OF AMERICA S OF 22N W OF 94W-
1020 PM EST THU DEC 18 2025
OVERNIGHT
E TO SE WINDS 10 KT, SHIFTING TO N TO NE EARLY IN
THE MORNING. SEAS 3 FT OR LESS. SCATTERED SHOWERS.
FRI
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED SHOWERS.
FRI NIGHT
NE WINDS 10 KT. SEAS 2 TO 4 FT. SCATTERED SHOWERS.
SAT
S OF 21N W OF 95W, VARIABLE WINDS LESS THAN 5 KT, BECOMING
E 10 KT EARLY IN THE EVENING. ELSEWHERE, E TO SE WINDS 10 KT.
SEAS 2 TO 4 FT.
SAT NIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SUN
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON NIGHT
NE TO E WINDS 10 KT. SEAS 2 TO 4 FT.
TUE
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
TUE NIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ049-191530-
CENTRAL BAY OF CAMPECHE-
1020 PM EST THU DEC 18 2025
OVERNIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SCATTERED SHOWERS.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS. SCATTERED
SHOWERS.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. SCATTERED
SHOWERS.
SAT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. SCATTERED SHOWERS.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TUE NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ050-191530-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
1020 PM EST THU DEC 18 2025
OVERNIGHT
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS. SCATTERED
SHOWERS.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SAT
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN
NE TO E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SUN NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
MON
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
MON NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
TUE
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
TUE NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FORECASTER RAMOS
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