900
FZNT24 KNHC 210920
OFFNT4
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA
NWS NATIONAL HURRICANE CENTER MIAMI, FL
520 AM EDT THU MAY 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.
GMZ001-212130-
SYNOPSIS FOR THE GULF OF AMERICA
520 AM EDT THU MAY 21 2026
SYNOPSIS
HIGH PRESSURE EXTENDING FROM THE WESTERN ATLANTIC TO
THE NORTHERN GULF WILL CHANGE LITTLE DURING THE FORECAST PERIOD.
THE PRESSURE GRADIENT BETWEEN IT AND RELATIVELY LOWER PRESSURES
OVER TEXAS AND NORTHERN MEXICO WILL GENERALLY MAINTAIN A GENTLE
TO MODERATE EAST TO SOUTHEAST WIND FLOW ACROSS THE BASIN THROUGH
THE WEEKEND, WITH THE EXCEPTION OF FRESH TO STRONG WINDS PULSING
OFF NW YUCATAN FROM THE LATE AFTERNOONS AND INTO THE NIGHT TIME
HOURS. A SERIES OF UPPER-LEVEL DISTURBANCES IN A VERY MOIST AND
UNSTABLE ENVIRONMENT IS EXPECTED TO KEEP UNSETTLED WEATHER
CONDITIONS IN THE FORM OF SCATTERED TO NUMEROUS SHOWERS AND
THUNDERSTORMS IN THE NW GULF FOR THE NEXT FEW DAYS. MARINERS
TRANSITING THROUGH THESE WATERS ARE ADVISED TO BE PREPARED FOR
RAPIDLY CHANGING WEATHER CONDITIONS WITH THIS ACTIVITY.
GMZ040-212130-
NW GULF OF AMERICA INCLUDING STETSON BANK-
520 AM EDT THU MAY 21 2026
TODAY
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT. AREAS OF SMOKE.
TONIGHT
SE TO S WINDS 10 KT. SEAS 2 TO 4 FT.
FRI
S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
SE WINDS 10 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 3 TO 5 FT.
SUN
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ041-212130-
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE
SANCTUARY-
520 AM EDT THU MAY 21 2026
TODAY
SE WINDS 10 KT. SEAS 2 TO 4 FT. AREAS OF SMOKE.
TONIGHT
SE TO S WINDS 10 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 3 TO 5 FT.
SUN
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ056-212130-
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-
520 AM EDT THU MAY 21 2026
TODAY
SE WINDS 10 KT. SEAS 3 FT OR LESS.
TONIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI NIGHT
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.
SAT
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.
SAT NIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SUN
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ057-212130-
NE GULF OF AMERICA N OF 26N E OF 87W-
520 AM EDT THU MAY 21 2026
TODAY
SE WINDS 10 KT. SEAS 3 FT OR LESS.
TONIGHT
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
SE WINDS 10 KT. SEAS 2 TO 4 FT.
SAT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SAT NIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SUN
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ058-212130-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-
520 AM EDT THU MAY 21 2026
TODAY
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. AREAS OF SMOKE.
TONIGHT
SE 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
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 3 TO 5 FT.
SUN
W OF 96W, E TO SE WINDS 10 TO 15 KT IN THE MORNING,
BECOMING VARIABLE LESS THAN 5 KT. E OF 96W, SE WINDS 10 KT. SEAS
3 TO 5 FT.
SUN NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
SE WINDS 10 KT. SEAS 3 TO 5 FT.
MON NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ045-212130-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-
520 AM EDT THU MAY 21 2026
TODAY
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. AREAS OF
SMOKE.
TONIGHT
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 4 TO 6 FT.
SUN
SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ046-212130-
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-
520 AM EDT THU MAY 21 2026
TODAY
SE WINDS 10 KT. SEAS 2 TO 4 FT.
TONIGHT
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 S OF 24N, AND SE 10 TO
15 KT N OF 24N. 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.
SUN
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
SUN NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
MON
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ047-212130-
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF
FLORIDA-
520 AM EDT THU MAY 21 2026
TODAY
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
TONIGHT
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
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
MON
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
GMZ048-212130-
SW GULF OF AMERICA S OF 22N W OF 94W-
520 AM EDT THU MAY 21 2026
TODAY
S OF 21N W OF 95W, E WINDS 10 KT IN THE MORNING,
BECOMING VARIABLE LESS THAN 5 KT. ELSEWHERE, E WINDS 10 TO 15 KT.
SEAS 2 TO 4 FT. AREAS OF SMOKE.
TONIGHT
E WINDS 10 KT. SEAS 2 TO 4 FT.
FRI
S OF 21N W OF 95W, SE WINDS 10 KT IN THE MORNING, BECOMING
VARIABLE LESS THAN 5 KT. ELSEWHERE, SE WINDS 10 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 WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN
E WINDS 10 KT. SEAS 3 TO 5 FT.
SUN NIGHT
NE TO E WINDS 10 KT. SEAS 3 TO 5 FT.
MON
VARIABLE WINDS LESS THAN 5 KT, BECOMING NE 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT.
MON NIGHT
E WINDS 10 KT. SEAS 2 TO 4 FT.
GMZ049-212130-
CENTRAL BAY OF CAMPECHE-
520 AM EDT THU MAY 21 2026
TODAY
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI
SE WINDS 15 TO 20 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 15 TO 20 KT. SEAS 2 TO 4 FT.
SAT NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
SE WINDS 15 TO 20 KT, SHIFTING TO E 10 KT IN THE
AFTERNOON. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ050-212130-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
520 AM EDT THU MAY 21 2026
TODAY
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
NE WINDS 15 TO 20 KT, SHIFTING TO E LATE.
SEAS 2 TO 4 FT.
FRI
E TO SE 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 3 TO 5 FT.
SAT
W OF 90W, SE WINDS 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.
SUN
W OF 90W, SE WINDS 15 TO 20 KT, SHIFTING TO NE 10 KT IN
THE AFTERNOON. E OF 90W, E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SUN NIGHT
NE TO E WINDS 15 TO 20 KT, SHIFTING TO E TO SE 10 TO
15 KT LATE. SEAS 3 TO 5 FT.
MON
E TO SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE
AFTERNOON. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FORECASTER CHRISTENSEN
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