900
FZNT24 KNHC 220220
OFFNT4
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA
NWS NATIONAL HURRICANE CENTER MIAMI, FL
1020 PM EDT MON SEP 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.
GMZ001-221430-
SYNOPSIS FOR THE GULF OF AMERICA
1020 PM EDT MON SEP 21 2026
SYNOPSIS
A VERY WEAK PRESSURE GRADIENT WILL FORCE GENTLE TO
MODERATE WINDS ACROSS THE GULF THROUGH THU. A VIGOROUS UPPER-
LEVEL LOW WILL PROMOTE SCATTERED SHOWERS AND THUNDERSTORMS OVER
THE SE GULF AND THE STRAITS OF FLORIDA FOR AT LEAST THE NEXT TWO
DAYS. A COLD FRONT SHOULD DIP INTO THE NE GULF THU NIGHT AND FRI,
ACCOMPANIED WITH LITTLE TO NO INCREASE IN THE WINDS.
GMZ040-221430-
NW GULF OF AMERICA INCLUDING STETSON BANK-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
TUE
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
WED
NE TO E WINDS 15 KT. SEAS 3 FT OR LESS.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU
NE TO E WINDS 15 KT. SEAS 3 FT OR LESS.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
E WINDS 15 KT. SEAS 2 TO 4 FT.
SAT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ041-221430-
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE
SANCTUARY-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
TUE
NE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
WED
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
WED NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU
NE TO E WINDS 15 KT. SEAS 3 FT OR LESS.
THU NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SAT
E WINDS 15 KT. SEAS 2 TO 4 FT.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ056-221430-
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
E WINDS 10 KT IN THE LATE EVENING AND EARLY MORNING,
BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.
TUE
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
WED
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
WED NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU NIGHT
NE TO E WINDS 15 KT. SEAS 2 TO 4 FT.
FRI
NE TO E WINDS 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE TO E 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
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ057-221430-
NE GULF OF AMERICA N OF 26N E OF 87W-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
E WINDS 10 KT IN THE LATE EVENING AND EARLY MORNING,
BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS. SCATTERED
SHOWERS AND ISOLATED TSTMS.
TUE
W OF 85W, NE TO E WINDS 10 KT. E OF 85W, VARIABLE WINDS
LESS THAN 5 KT, BECOMING NE TO E 10 KT EARLY IN THE EVENING. SEAS
3 FT OR LESS.
TUE NIGHT
E WINDS 10 KT IN THE LATE EVENING AND EARLY MORNING,
BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.
WED
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
WED NIGHT
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
THU
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT NIGHT
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
GMZ058-221430-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
TUE
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
WED
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS. SCATTERED
SHOWERS AND ISOLATED TSTMS.
WED NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU
NE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT
NE TO E WINDS 10 KT. SEAS 2 TO 4 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ045-221430-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
TUE
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS. SCATTERED
SHOWERS AND ISOLATED TSTMS.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
WED
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
WED NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT NIGHT
E TO SE WINDS 10 KT. SEAS 2 TO 4 FT.
GMZ046-221430-
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
E WINDS 10 KT IN THE LATE EVENING AND EARLY MORNING,
BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.
TUE
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
TUE NIGHT
E WINDS 10 KT. SEAS 3 FT OR LESS.
WED
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS
AND ISOLATED TSTMS.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT
E TO SE WINDS 10 KT. SEAS 2 TO 4 FT.
SAT NIGHT
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
GMZ047-221430-
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF
FLORIDA-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS
AND ISOLATED TSTMS.
TUE
S OF 24N, SE WINDS 10 KT IN THE LATE MORNING AND EARLY
AFTERNOON. VARIABLE WINDS LESS THAN 5 KT EARLY IN THE EVENING. N
OF 24N, VARIABLE WINDS LESS THAN 5 KT IN THE LATE MORNING AND
EARLY AFTERNOON. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND
ISOLATED TSTMS.
TUE NIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS
AND ISOLATED TSTMS.
WED
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS
AND ISOLATED TSTMS.
WED NIGHT
E WINDS 10 KT. SEAS 3 FT OR LESS.
THU
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
THU NIGHT
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
FRI
E WINDS 10 KT. SEAS 2 TO 4 FT.
FRI NIGHT
NE TO E WINDS 10 KT. SEAS 2 TO 4 FT.
SAT
NE TO E WINDS 10 KT IN THE LATE MORNING AND EARLY
AFTERNOON, BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.
GMZ048-221430-
SW GULF OF AMERICA S OF 22N W OF 94W-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
NE TO E WINDS 10 KT IN THE LATE EVENING AND EARLY
MORNING, BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.
SCATTERED SHOWERS AND ISOLATED TSTMS.
TUE
VARIABLE WINDS LESS THAN 5 KT, BECOMING N TO NE 10 KT
EARLY IN THE EVENING. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND
ISOLATED TSTMS.
TUE NIGHT
NE WINDS 10 KT IN THE LATE EVENING AND EARLY
MORNING, BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT OR LESS.
SCATTERED SHOWERS AND ISOLATED TSTMS.
WED
N WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND
ISOLATED TSTMS.
WED NIGHT
N TO NE WINDS 10 KT. SEAS 3 FT OR LESS.
THU
N WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU NIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI
NW TO N WINDS 15 TO 20 KT S OF 21N W OF 95W, AND N 10 KT
ELSEWHERE. SEAS 3 FT OR LESS.
FRI NIGHT
N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT
NW TO N WINDS 10 KT. SEAS 3 FT OR LESS.
SAT NIGHT
N TO NE WINDS 10 KT. SEAS 3 FT OR LESS.
GMZ049-221430-
CENTRAL BAY OF CAMPECHE-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED
SHOWERS AND ISOLATED TSTMS.
TUE
VARIABLE WINDS LESS THAN 5 KT, BECOMING N TO NE 10 KT
EARLY IN THE EVENING. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND
ISOLATED TSTMS.
TUE NIGHT
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED
SHOWERS AND ISOLATED TSTMS.
WED
S OF 20N, VARIABLE WINDS LESS THAN 5 KT, BECOMING N 10 KT
EARLY IN THE EVENING. N OF 20N, E WINDS 10 KT IN THE LATE MORNING
AND EARLY AFTERNOON, BECOMING VARIABLE LESS THAN 5 KT. SEAS 3 FT
OR LESS. SCATTERED SHOWERS AND ISOLATED TSTMS.
WED NIGHT
NE WINDS 10 KT. SEAS 3 FT OR LESS.
THU
NE WINDS 10 KT. SEAS 3 FT OR LESS.
THU NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
FRI NIGHT
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
SAT
S OF 20N, S WINDS 10 KT IN THE LATE MORNING AND EARLY
AFTERNOON, BECOMING VARIABLE LESS THAN 5 KT. N OF 20N, E TO SE
WINDS 10 KT. SEAS 3 FT OR LESS.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
GMZ050-221430-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
1020 PM EDT MON SEP 21 2026
OVERNIGHT
E WINDS 10 KT. SEAS 3 FT OR LESS. SCATTERED SHOWERS
AND ISOLATED TSTMS.
TUE
VARIABLE WINDS LESS THAN 5 KT, BECOMING N TO NE 10 KT
EARLY IN THE EVENING. SEAS 3 FT OR LESS.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS. SCATTERED
SHOWERS AND ISOLATED TSTMS.
WED
E TO SE WINDS 10 KT, SHIFTING TO N TO NE EARLY IN THE
EVENING. SEAS 3 FT OR LESS. SCATTERED SHOWERS AND ISOLATED TSTMS.
WED NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU
E TO SE WINDS 10 KT, SHIFTING TO NE EARLY IN THE EVENING.
SEAS 3 FT OR LESS.
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 10 TO 15 KT. SEAS 3 FT OR LESS.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FORECASTER ERA
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