218
FZNT24 KNHC 212002
OFFNT4
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA
NWS NATIONAL HURRICANE CENTER MIAMI, FL
402 PM EDT WED OCT 21 2026
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.
GMZ001-220815-
SYNOPSIS FOR THE GULF OF AMERICA
402 PM EDT WED OCT 21 2026
SYNOPSIS
HIGH PRESSURE OVER THE EASTERN OF THE UNITED STATES
HAS A RIDGE EXTENDING INTO THE GULF REGION. THIS SYSTEM SUPPORTS
MODERATE TO LOCALLY FRESH NE TO E WINDS, WITH THE EXCEPTION OF
STRONG TO NEAR-GALE FORCE NW WINDS OVER THE SW GULF. THE LATTER
WINDS WILL PERSIST THROUGH TONIGHT. A TIGHTENING PRESSURE GRADIENT
BETWEEN THE ABOVE MENTIONED RIDGE AND A LOW PRESSURE FORECAST TO
DEVELOP NEAR THE BAHAMAS WILL BRING FRESH TO STRONG NE WINDS AND
MODERATE TO ROUGH SEAS OVER THE EASTERN GULF FRI NIGHT INTO SAT.
THESE MARINE CONDITIONS WILL SPREAD WESTWARD TO THE CENTRAL GULF
SAT NIGHT THROUGH SUN NIGHT. SEAS ARE EXPECTED TO BUILD TO 12 OR
13 FT WITH THESE WINDS OVER THE SE GULF ON SUN.
GMZ040-220815-
NW GULF OF AMERICA INCLUDING STETSON BANK-
402 PM EDT WED OCT 21 2026
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI
E WINDS 10 KT. SEAS 3 FT OR LESS.
FRI NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SAT
E WINDS 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SUN
E WINDS 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
MON
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN E SWELL.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN E SWELL.
GMZ041-220815-
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE
SANCTUARY-
402 PM EDT WED OCT 21 2026
TONIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT IN E TO SE
SWELL.
SUN
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
SUN NIGHT
E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN E SWELL.
MON
NE TO E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN E SWELL.
MON NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN E
SWELL.
GMZ056-220815-
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-
402 PM EDT WED OCT 21 2026
TONIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU
NE WINDS 10 KT. SEAS 2 TO 4 FT.
THU NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SAT
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT IN E
SWELL.
SUN
NE TO E WINDS 20 TO 25 KT. SEAS 7 TO 11 FT IN E SWELL.
SUN NIGHT
NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN E
SWELL.
MON
NE TO E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN E SWELL.
MON NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN E
SWELL.
GMZ057-220815-
NE GULF OF AMERICA N OF 26N E OF 87W-
402 PM EDT WED OCT 21 2026
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE TO E WINDS 20 TO 25 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS 25 KT. SEAS 7 TO 10 FT IN NE SWELL.
SUN
NE TO E WINDS 25 TO 30 KT. SEAS 7 TO 11 FT IN NE SWELL.
SUN NIGHT
NE WINDS 20 TO 25 KT. SEAS 7 TO 11 FT IN NE SWELL.
MON
NE TO E WINDS 20 TO 25 KT. SEAS 7 TO 10 FT IN NE SWELL.
MON NIGHT
NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 8 FT IN NE
SWELL.
GMZ058-220815-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-
402 PM EDT WED OCT 21 2026
TONIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
THU
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN E SWELL.
THU NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
NE TO E WINDS 10 KT. SEAS 2 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SUN
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
SUN NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN E
SWELL.
MON
NE TO E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN NE TO E
SWELL.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN NE TO E
SWELL.
GMZ045-220815-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-
402 PM EDT WED OCT 21 2026
TONIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SAT
NE TO E WINDS 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
SUN
NE TO E WINDS 15 TO 20 KT. SEAS 5 TO 7 FT IN NE TO E
SWELL.
SUN NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN NE TO E
SWELL.
MON
NE TO E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN NE TO E
SWELL.
MON NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN NE TO E
SWELL.
GMZ046-220815-
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-
402 PM EDT WED OCT 21 2026
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
SAT NIGHT
NE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN NE TO E
SWELL.
SUN
NE WINDS 20 TO 25 KT. SEAS 7 TO 11 FT IN NE SWELL.
SUN NIGHT
NE WINDS 20 TO 25 KT. SEAS 9 TO 13 FT IN NE SWELL.
MON
NE WINDS 20 TO 25 KT. SEAS 9 TO 13 FT IN NE SWELL.
MON NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 7 TO 11 FT IN NE
SWELL.
GMZ047-220815-
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF
FLORIDA-
402 PM EDT WED OCT 21 2026
TONIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT.
SAT NIGHT
NE WINDS 20 TO 25 KT. SEAS 6 TO 9 FT IN N TO NE
SWELL.
SUN
NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT IN N TO NE SWELL.
SUN NIGHT
NE WINDS 20 TO 30 KT. SEAS 9 TO 13 FT IN N TO NE
SWELL.
MON
NE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN N TO NE SWELL.
MON NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN N TO
NE SWELL.
GMZ048-220815-
SW GULF OF AMERICA S OF 22N W OF 94W-
402 PM EDT WED OCT 21 2026
TONIGHT
NW TO N WINDS 20 TO 25 KT S OF 21N W OF 95W, AND NE
10 TO 15 KT ELSEWHERE. SEAS 6 TO 8 FT IN NE TO E SWELL. SCATTERED
SHOWERS AND ISOLATED TSTMS.
THU
N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
N TO NE WINDS 10 KT. SEAS 2 TO 4 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT
N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
NE WINDS 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
N TO NE WINDS 10 KT. SEAS 3 TO 5 FT.
MON
NW TO N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN NE SWELL.
MON NIGHT
N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NE SWELL.
GMZ049-220815-
CENTRAL BAY OF CAMPECHE-
402 PM EDT WED OCT 21 2026
TONIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
THU
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SAT NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN NE
SWELL.
MON
N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT S OF 20N, AND
6 TO 8 FT N OF 20N.
MON NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT S OF 20N, AND
6 TO 8 FT N OF 20N.
GMZ050-220815-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
402 PM EDT WED OCT 21 2026
TONIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SAT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
NE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
SUN
N TO NE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN N TO NE
SWELL.
SUN NIGHT
N TO NE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN N TO NE
SWELL.
MON
N TO NE WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN N TO NE
SWELL.
MON NIGHT
NE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN N TO NE
SWELL.
FORECASTER GR
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