645
FZNT24 KNHC 190818
OFFNT4
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA
NWS NATIONAL HURRICANE CENTER MIAMI, FL
418 AM EDT TUE MAY 19 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.
GMZ001-192030-
SYNOPSIS FOR THE GULF OF AMERICA
418 AM EDT TUE MAY 19 2026
SYNOPSIS
HIGH PRESSURE CENTERED OVER THE WESTERN ATLANTIC WILL
EXTEND A RIDGE INTO THE GULF THROUGH THE WEEK. INTO WED, EXPECT
MODERATE TO FRESH SE WINDS OVER THE WESTERN GULF, PULSING TO
STRONG EACH EVENING OFFSHORE THE YUCATAN PENINSULA, DUE TO THE
PRESSURE GRADIENT BETWEEN THE HIGH PRESSURE AND LOW PRESSURE OVER
MEXICO AND TEXAS. LATE THIS WEEK, THE PRESSURE GRADIENT WILL RELAX
AND EVEN MORE TRANQUIL MARINE CONDITIONS WILL PREVAIL.
GMZ040-192030-
NW GULF OF AMERICA INCLUDING STETSON BANK-
418 AM EDT TUE MAY 19 2026
TODAY
SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
SE WINDS 15 KT. SEAS 4 TO 6 FT.
WED
SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
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
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ041-192030-
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE
SANCTUARY-
418 AM EDT TUE MAY 19 2026
TODAY
SE WINDS 15 TO 20 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 3 TO 5 FT.
WED NIGHT
SE WINDS 10 KT. SEAS 3 TO 5 FT.
THU
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 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.
GMZ056-192030-
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-
418 AM EDT TUE MAY 19 2026
TODAY
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E TO SE WINDS 10 KT. SEAS 2 TO 4 FT.
WED NIGHT
E TO SE WINDS 10 KT. SEAS 2 TO 4 FT.
THU
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI NIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SAT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SAT NIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
GMZ057-192030-
NE GULF OF AMERICA N OF 26N E OF 87W-
418 AM EDT TUE MAY 19 2026
TODAY
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E TO SE WINDS 10 KT. SEAS 2 TO 4 FT.
WED NIGHT
W OF 85W, E TO SE WINDS 10 KT. E OF 85W, VARIABLE
WINDS LESS THAN 5 KT, BECOMING E 10 KT LATE. SEAS 2 TO
4 FT.
THU
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
THU NIGHT
W OF 85W, SE WINDS 10 KT. E OF 85W, VARIABLE WINDS
LESS THAN 5 KT, BECOMING E TO SE 10 KT LATE. SEAS 3 FT
OR LESS.
FRI
SE WINDS 10 KT. SEAS 3 FT OR LESS.
FRI NIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SAT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SAT NIGHT
W OF 85W, SE WINDS 10 KT. E OF 85W, VARIABLE WINDS
LESS THAN 5 KT, BECOMING E TO SE 10 KT LATE. SEAS 3 FT
OR LESS.
GMZ058-192030-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-
418 AM EDT TUE MAY 19 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
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
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 2 TO 4 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
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.
GMZ045-192030-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-
418 AM EDT TUE MAY 19 2026
TODAY
SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT IN E TO SE SWELL.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
E TO 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 2 TO 4 FT.
FRI NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
GMZ046-192030-
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-
418 AM EDT TUE MAY 19 2026
TODAY
E TO SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
TONIGHT
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 IN E TO SE
SWELL.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
GMZ047-192030-
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF
FLORIDA-
418 AM EDT TUE MAY 19 2026
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
FRI NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SAT
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.
GMZ048-192030-
SW GULF OF AMERICA S OF 22N W OF 94W-
418 AM EDT TUE MAY 19 2026
TODAY
E TO SE WINDS 10 TO 15 KT S OF 21N W OF 95W, AND E TO SE
15 TO 20 KT ELSEWHERE. SEAS 4 TO 6 FT.
TONIGHT
E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
S OF 21N W OF 95W, E WINDS 10 KT IN THE MORNING, BECOMING
VARIABLE LESS THAN 5 KT. ELSEWHERE, E TO SE WINDS 10 TO 15 KT.
SEAS 3 TO 5 FT.
WED NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 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
E TO SE WINDS 10 KT. SEAS 2 TO 4 FT.
FRI NIGHT
E TO SE WINDS 10 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 TO 15 KT. SEAS 2 TO 4 FT.
GMZ049-192030-
CENTRAL BAY OF CAMPECHE-
418 AM EDT TUE MAY 19 2026
TODAY
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
WED
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
WED NIGHT
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE TO 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
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT
E TO SE 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.
GMZ050-192030-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
418 AM EDT TUE MAY 19 2026
TODAY
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
TONIGHT
NE WINDS 20 TO 25 KT, BECOMING E TO SE 10 TO 15 KT
LATE. SEAS 4 TO 6 FT.
WED
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WED NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 15 TO 20 KT, SHIFTING TO E TO SE 10 TO
15 KT LATE. SEAS 2 TO 4 FT.
FRI
W OF 90W, SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE
AFTERNOON. E OF 90W, E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
FRI NIGHT
NE WINDS 15 TO 20 KT, SHIFTING TO E TO SE 10 TO
15 KT LATE. SEAS 2 TO 4 FT.
SAT
W OF 90W, SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE
AFTERNOON. E OF 90W, E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SAT NIGHT
NE WINDS 15 TO 20 KT, SHIFTING TO E TO SE LATE. SEAS
3 TO 5 FT.
FORECASTER KONARIK
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