871
FZNT24 KNHC 210730
OFFNT4
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA
NWS NATIONAL HURRICANE CENTER MIAMI, FL
330 AM EDT TUE APR 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.
GMZ001-211930-
SYNOPSIS FOR THE GULF OF AMERICA
330 AM EDT TUE APR 21 2026
SYNOPSIS
A COLD FRONT EXTENDS ACROSS THE FLORIDA STRAITS
WESTWARD TO NEAR 24N85W, THEN DISSIPATING FRONT TO 22N93W. FRESH
TO LOCALLY STRONG NE WINDS AND MODERATE TO ROUGH SEAS WILL
PREVAIL N OF THE FRONT TODAY. THE WESTERN PORTION OF THIS BOUNDARY
WILL GRADUALLY DISSIPATE OVER THE CENTRAL AND WESTERN GULF TODAY,
WHILE THE EASTERN PORTION WILL MOVE ACROSS CUBA AND THE YUCATAN
CHANNEL BEFORE STALLING ALONG ABOUT 21N WED AND DISSIPATING EARLY
THU. GENTLE TO MODERATE SOUTHEASTERLY WINDS WILL RETURN TO THE
GULF ON THU.
GMZ040-211930-
NW GULF OF AMERICA INCLUDING STETSON BANK-
330 AM EDT TUE APR 21 2026
TODAY
SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN E SWELL.
WED NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
SE WINDS 15 KT. SEAS 3 TO 5 FT.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
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.
GMZ041-211930-
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE
SANCTUARY-
330 AM EDT TUE APR 21 2026
TODAY
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT IN E SWELL.
TONIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT IN E SWELL.
WED
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
WED NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU
SE WINDS 10 KT. SEAS 5 TO 7 FT IN E TO SE SWELL.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ056-211930-
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-
330 AM EDT TUE APR 21 2026
TODAY
E WINDS 20 KT. SEAS 6 TO 9 FT IN E SWELL.
TONIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN E TO SE
SWELL.
WED
E TO SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. SCATTERED
SHOWERS.
WED NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN E TO SE
SWELL.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN E TO SE
SWELL.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
SE WINDS 10 KT. SEAS 2 TO 4 FT.
SAT
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT.
SAT NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
GMZ057-211930-
NE GULF OF AMERICA N OF 26N E OF 87W-
330 AM EDT TUE APR 21 2026
TODAY
E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT IN E SWELL.
TONIGHT
NE TO E WINDS 10 TO 15 KT, BECOMING E TO SE 20 TO
25 KT LATE. SEAS 6 TO 8 FT.
WED
E TO SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN SE SWELL.
WED NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE
SWELL.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN SE SWELL.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
SE WINDS 10 KT. SEAS 2 TO 4 FT.
SAT
SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN
5 KT. SEAS 3 FT OR LESS.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS IN
SE SWELL, SUBSIDING TO 3 FT OR LESS LATE.
GMZ058-211930-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-
330 AM EDT TUE APR 21 2026
TODAY
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
TONIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN NE TO E SWELL.
WED NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E TO SE 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
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ045-211930-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-
330 AM EDT TUE APR 21 2026
TODAY
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NE SWELL.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NE TO E SWELL.
WED
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN NE TO E SWELL.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN E SWELL.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN E SWELL.
THU NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E TO SE 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 TO 15 KT. SEAS 2 TO 4 FT.
GMZ046-211930-
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-
330 AM EDT TUE APR 21 2026
TODAY
E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN NE SWELL.
TONIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN NE TO E SWELL.
WED
E TO SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN E SWELL.
SCATTERED SHOWERS.
WED NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT IN E
SWELL. SCATTERED SHOWERS.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN E SWELL.
THU NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT
SE 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.
GMZ047-211930-
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF
FLORIDA-
330 AM EDT TUE APR 21 2026
TODAY
NE TO E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT IN NE SWELL.
TONIGHT
E WINDS 20 TO 25 KT. SEAS 6 TO 9 FT IN NE TO E SWELL.
WED
E WINDS 15 TO 20 KT. SEAS 6 TO 9 FT IN E SWELL. SCATTERED
SHOWERS.
WED NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. SCATTERED
SHOWERS.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
FRI
SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN
5 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E TO SE WINDS 10 KT. SEAS 2 TO 4 FT.
SAT
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
SAT NIGHT
E WINDS 10 KT. SEAS 3 FT OR LESS.
GMZ048-211930-
SW GULF OF AMERICA S OF 22N W OF 94W-
330 AM EDT TUE APR 21 2026
TODAY
NE TO E WINDS 10 KT IN THE MORNING, BECOMING VARIABLE
LESS THAN 5 KT. SEAS 4 TO 6 FT IN N TO NE SWELL.
TONIGHT
E WINDS 10 KT. SEAS 3 TO 5 FT.
WED
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT.
WED NIGHT
NE TO E WINDS 10 KT. SEAS 3 TO 5 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ049-211930-
CENTRAL BAY OF CAMPECHE-
330 AM EDT TUE APR 21 2026
TODAY
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
S OF 20N, E TO SE WINDS 10 KT IN THE MORNING, BECOMING
VARIABLE LESS THAN 5 KT. N OF 20N, E TO SE WINDS 10 KT. SEAS 3 TO
5 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E 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 WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ050-211930-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
330 AM EDT TUE APR 21 2026
TODAY
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
TONIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
WED
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.
SEAS 2 TO 4 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT
SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.
SEAS 2 TO 4 FT.
SAT NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FORECASTER AL
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