962
FZNT24 KNHC 202115
OFFNT4
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA
NWS NATIONAL HURRICANE CENTER MIAMI, FL
515 PM EDT WED MAY 20 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.
GMZ001-210915-
SYNOPSIS FOR THE GULF OF AMERICA
515 PM EDT WED MAY 20 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 WINDS PULSING TO FRESH TO STRONG
SPEEDS 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.
GMZ040-210915-
NW GULF OF AMERICA INCLUDING STETSON BANK-
515 PM EDT WED MAY 20 2026
TONIGHT
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT IN SE SWELL.
THU
SE WINDS 10 KT. SEAS 3 TO 4 FT. SCATTERED SHOWERS AND
THUNDERSTORMS.
THU NIGHT
SE WINDS 10 KT. SEAS 3 TO 4 FT. SCATTERED SHOWERS
AND THUNDERSTORMS.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 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 KT. SEAS 3 TO 5 FT IN SE SWELL.
MON
SE TO S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS
THAN 5 KT. SEAS 3 TO 5 FT IN SE SWELL.
MON NIGHT
SE WINDS 10 KT. SEAS 3 TO 4 FT.
GMZ041-210915-
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE
SANCTUARY-
515 PM EDT WED MAY 20 2026
TONIGHT
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS.
THU
SE WINDS 10 KT. SEAS 3 TO 4 FT. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
THU NIGHT
SE WINDS 10 KT. SEAS 3 TO 4 FT. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 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 WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ056-210915-
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-
515 PM EDT WED MAY 20 2026
TONIGHT
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT. ISOLATED SHOWERS.
THU
SE WINDS 10 KT. SEAS 3 TO 4 FT. ISOLATED SHOWERS.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ISOLATED
SHOWERS AND THUNDERSTORMS.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SCATTERED
SHOWERS AND THUNDERSTORMS
FRI NIGHT
SE WINDS 10 KT. SEAS 3 TO 4 FT.
SAT
SE WINDS 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SE 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 WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ057-210915-
NE GULF OF AMERICA N OF 26N E OF 87W-
515 PM EDT WED MAY 20 2026
TONIGHT
W OF 85W, E TO SE WINDS 10 KT. E OF 85W, VARIABLE
WINDS LESS THAN 5 KT, BECOMING E TO SE 10 TO 15 KT LATE. SEAS
3 TO 4 FT.
THU
SE WINDS 10 KT. SEAS 3 TO 4 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
FRI NIGHT
SE WINDS 10 KT. SEAS 4 TO 4 FT.
SAT
SE WINDS 10 KT. SEAS 3 TO 4 FT..
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
SE WINDS 10 TO 15 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 TO 15 KT. SEAS 3 TO 5 FT.
MON NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ058-210915-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-
515 PM EDT WED MAY 20 2026
TONIGHT
E TO SE WINDS 10 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 TO S 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
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 WINDS 10 KT. SEAS 3 TO 5 FT IN E SWELL.
SUN NIGHT
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT.
MON
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT IN E SWELL.
MON NIGHT
E TO SE WINDS 10 KT. SEAS 3 TO 5 FT IN E SWELL.
GMZ045-210915-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-
515 PM EDT WED MAY 20 2026
TONIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 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 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 3 TO 5 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.
GMZ046-210915-
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-
515 PM EDT WED MAY 20 2026
TONIGHT
E WINDS 10 TO 15 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 3 TO 5 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 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 4 TO 6 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 4 TO 6 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.
GMZ047-210915-
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF
FLORIDA-
515 PM EDT WED MAY 20 2026
TONIGHT
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 3 TO 5 FT.
FRI
E TO 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 3 TO 5 FT.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
MON
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
GMZ048-210915-
SW GULF OF AMERICA S OF 22N W OF 94W-
515 PM EDT WED MAY 20 2026
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU
S OF 21N W OF 95W, E TO SE WINDS 10 KT IN THE MORNING,
BECOMING VARIABLE LESS THAN 5 KT. ELSEWHERE, E WINDS 10 TO 15 KT.
SEAS 3 TO 5 FT IN NE SWELL.
THU NIGHT
E WINDS 10 KT. SEAS 3 TO 4 FT.
FRI
S OF 21N W OF 95W, E TO SE WINDS 10 KT IN THE MORNING,
BECOMING VARIABLE LESS THAN 5 KT. ELSEWHERE, E TO SE WINDS 10 KT.
SEAS 3 TO 4 FT.
FRI NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SAT
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
VARIABLE WINDS LESS THAN 5 KT S OF 21N W OF 95W, AND E TO
SE 10 KT ELSEWHERE. SEAS 3 TO 5 FT IN NE SWELL.
SUN NIGHT
E WINDS 10 KT. SEAS 3 TO 5 FT IN NE SWELL.
MON
S OF 21N W OF 95W, VARIABLE WINDS LESS THAN 5 KT, BECOMING
N TO NE 10 KT IN THE AFTERNOON. ELSEWHERE, E WINDS 10 KT. SEAS
3 TO 4 FT.
MON NIGHT
E WINDS 10 KT. SEAS 3 TO 4 FT.
GMZ049-210915-
CENTRAL BAY OF CAMPECHE-
515 PM EDT WED MAY 20 2026
TONIGHT
NE 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
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE TO E 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
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
E TO SE WINDS 15 TO 20 KT. 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 3 TO 4 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ050-210915-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
515 PM EDT WED MAY 20 2026
TONIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 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 LATE. SEAS
3 TO 4 FT.
FRI
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE WINDS 15 TO 20 KT, BECOMING E TO SE 10 TO 15 KT
LATE. SEAS 3 TO 5 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 3 TO 5 FT.
SAT NIGHT
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SUN
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 4 TO 6 FT.
SUN NIGHT
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
MON
W OF 90W, E TO SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE
AFTERNOON. E OF 90W, E TO SE WINDS 10 KT, SHIFTING TO NE TO E
15 TO 20 KT IN THE AFTERNOON. SEAS 3 TO 5 FT.
MON NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FORECASTER AGUIRRE
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