093
FZNT24 KNHC 222011
OFFNT4
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA
NWS NATIONAL HURRICANE CENTER MIAMI, FL
411 PM EDT WED JUL 22 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.
GMZ001-230815-
SYNOPSIS FOR THE GULF OF AMERICA
411 PM EDT WED JUL 22 2026
SYNOPSIS
TROPICAL STORM BERTHA IS OFF MISSISSIPPI AND SOUTHEAST
LOUISIANA NEAR 29.9N 89.7W AT 5 PM EDT, AND IS MOVING WEST AT 6
KT. MAXIMUM SUSTAINED WINDS ARE 40 KT WITH GUSTS TO 50 KT, AND THE
MINIMUM CENTRAL PRESSURE IS 1000 MB. BERTHA WILL MOVE INLAND TO
29.6N 91.3W ALONG THE COAST OF LOUISIANA OVERNIGHT, THEN CONTINUE
TO 29.5N 93.9W ALONG THE UPPER TEXAS COAST THU AFTERNOON. BERTHA
WILL WEAKEN TO A REMNANT LOW OVER SOUTHEASTERN TEXAS FRI MORNING,
AND DISSIPATE FRI AFTERNOON. SWELLS GENERATED BY BERTHA WILL
CONTINUE SPREADING WESTWARD ALONG THE NORTHERN GULF COAST THROUGH
THU. IN THE WAKE OF BERTHA, WEAK HIGH PRESSURE CENTERED OVER THE
SOUTH- CENTRAL GULF WILL BE REPLACED BY RIDGING ASSOCIATED TO A
NEW HIGH CENTER THAT FORMS OVER THE NE GULF PROVIDING FOR A LIGHT
TO GENTLE WIND FLOW ACROSS THE BASIN, EXCEPT FOR PULSING MODERATE
TO FRESH WINDS OFF THE YUCATAN PENINSULA AND NEAR NE MEXICO AND
THE TEXAS COAST. THESE CONDITIONS ARE EXPECTED TO PERSIST THROUGH
THE WEEKEND.
GMZ040-230815-
NW GULF OF AMERICA INCLUDING STETSON BANK-
411 PM EDT WED JUL 22 2026
TONIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. SCATTERED
SHOWERS AND ISOLATED TSTMS.
THU
SW WINDS 15 TO 20 KT, BECOMING S TO SW 25 TO 30 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT, BUILDING TO 6 TO 8 FT IN THE
AFTERNOON. SCATTERED SHOWERS AND ISOLATED TSTMS.
THU NIGHT
SW WINDS 15 TO 20 KT, SHIFTING TO SE LATE.
SEAS 6 TO 9 FT IN SW SWELL, SUBSIDING TO 4 TO 6 FT LATE.
FRI
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SAT
SE WINDS 10 KT. SEAS 2 TO 4 FT.
SAT NIGHT
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SUN
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
MON
S WINDS 10 KT. SEAS 3 FT OR LESS.
GMZ041-230815-
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE
SANCTUARY-
411 PM EDT WED JUL 22 2026
TONIGHT
SW TO W WINDS 25 TO 30 KT. SEAS 6 TO 9 FT IN W SWELL.
NUMEROUS SHOWERS AND SCATTERED TSTMS.
THU
SW WINDS 25 TO 30 KT. SEAS 7 TO 10 FT IN W SWELL.
SCATTERED SHOWERS AND ISOLATED TSTMS.
THU NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN W
SWELL, SUBSIDING TO 4 TO 6 FT LATE.
FRI
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
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
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SUN
S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN
5 KT. SEAS 3 FT OR LESS.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT, BECOMING S TO SW
10 KT LATE. SEAS 3 FT OR LESS.
MON
SW WINDS 10 KT. SEAS 3 FT OR LESS.
GMZ056-230815-
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-
411 PM EDT WED JUL 22 2026
..TROPICAL STORM WARNING
REST OF THIS AFTERNOON
TROPICAL STORM CONDITIONS POSSIBLE. SW WINDS 30 TO
35 KT. SEAS 9 TO 14 FT IN W TO NW SWELL. SCATTERED SHOWERS AND
ISOLATED TSTMS.
TONIGHT
S TO SW WINDS 25 TO 30 KT. SEAS 9 TO 13 FT IN W SWELL.
SCATTERED SHOWERS AND ISOLATED TSTMS.
THU
SE TO S WINDS 15 TO 20 KT. SEAS 6 TO 8 FT IN W SWELL.
THU NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT IN W
SWELL.
FRI
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
SAT
E WINDS 10 KT. SEAS 3 FT OR LESS.
SAT NIGHT
SE TO S WINDS 10 KT. SEAS 3 FT OR LESS.
SUN
W WINDS 10 KT. SEAS 3 FT OR LESS.
SUN NIGHT
W OF 89W, VARIABLE WINDS LESS THAN 5 KT, BECOMING SW
TO W 10 KT LATE. E OF 89W, W WINDS 10 TO 15 KT. SEAS
3 FT OR LESS.
MON
W TO NW WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
GMZ057-230815-
NE GULF OF AMERICA N OF 26N E OF 87W-
411 PM EDT WED JUL 22 2026
TONIGHT
S WINDS 15 TO 20 KT W OF 85W, AND SE TO S 10 TO 15 KT
E OF 85W. SEAS 8 TO 12 FT IN W SWELL.
THU
SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT IN W SWELL.
THU NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
FRI NIGHT
NE WINDS 10 KT. SEAS 3 FT OR LESS.
SAT
VARIABLE WINDS LESS THAN 5 KT. SEAS 3 FT OR LESS.
SAT NIGHT
W TO NW WINDS 10 KT. SEAS 3 FT OR LESS.
SUN
W TO NW WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN NIGHT
W TO NW WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
MON
W TO NW WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
GMZ058-230815-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-
411 PM EDT WED JUL 22 2026
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU
S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
THU NIGHT
SE WINDS 15 TO 20 KT W OF 96W, AND E TO SE 10 TO
15 KT E OF 96W. SEAS 2 TO 4 FT.
FRI
SE WINDS 15 TO 20 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 KT. SEAS 2 TO 4 FT.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN
SE WINDS 10 KT. SEAS 3 FT OR LESS.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
MON
SE TO S WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
GMZ045-230815-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-
411 PM EDT WED JUL 22 2026
TONIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU
SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU NIGHT
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
FRI
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 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 TO 15 KT. SEAS 2 TO 4 FT.
SUN
SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
MON
SE WINDS 10 KT. SEAS 3 FT OR LESS.
GMZ046-230815-
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-
411 PM EDT WED JUL 22 2026
TONIGHT
SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
THU
SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
THU NIGHT
E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
FRI
E 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 TO 15 KT. SEAS 2 TO 4 FT.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN
SE TO S WINDS 10 KT, SHIFTING TO E IN THE AFTERNOON. SEAS
2 TO 4 FT.
SUN NIGHT
S OF 24N, E TO SE WINDS 10 TO 15 KT. N OF 24N,
VARIABLE WINDS LESS THAN 5 KT, BECOMING S TO SW 10 KT LATE. SEAS
3 FT OR LESS.
MON
SW WINDS 10 KT, SHIFTING TO N TO NE IN THE AFTERNOON. SEAS
3 FT OR LESS.
GMZ047-230815-
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF
FLORIDA-
411 PM EDT WED JUL 22 2026
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
THU
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
THU NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
FRI
NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
FRI NIGHT
E WINDS 10 KT. SEAS 2 TO 4 FT.
SAT
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
SAT NIGHT
NE TO E WINDS 10 KT, SHIFTING TO SE LATE.
SEAS 3 FT OR LESS.
SUN
VARIABLE WINDS LESS THAN 5 KT, BECOMING NW TO N 10 KT IN
THE AFTERNOON. SEAS 3 FT OR LESS.
SUN NIGHT
NW WINDS 10 KT. SEAS 3 FT OR LESS.
MON
NW WINDS 10 KT. SEAS 3 FT OR LESS.
GMZ048-230815-
SW GULF OF AMERICA S OF 22N W OF 94W-
411 PM EDT WED JUL 22 2026
TONIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
THU NIGHT
E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
FRI
E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
E WINDS 10 TO 15 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 FT OR LESS.
SUN NIGHT
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
MON
E TO SE WINDS 10 KT. SEAS 3 FT OR LESS.
GMZ049-230815-
CENTRAL BAY OF CAMPECHE-
411 PM EDT WED JUL 22 2026
TONIGHT
NE WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
THU
E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
THU NIGHT
NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
FRI
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 3 TO 5 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 2 TO 4 FT.
SUN
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
MON
E TO SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
GMZ050-230815-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
411 PM EDT WED JUL 22 2026
TONIGHT
N TO NE WINDS 20 TO 25 KT, SHIFTING TO E 15 TO 20 KT
LATE. SEAS 2 TO 4 FT.
THU
E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
THU NIGHT
NE TO E WINDS 20 TO 25 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
FRI NIGHT
E WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SAT
SE WINDS 10 TO 15 KT, SHIFTING TO NE TO E IN THE
AFTERNOON. SEAS 2 TO 4 FT.
SAT NIGHT
NE WINDS 15 TO 20 KT, SHIFTING TO E TO SE 10 TO
15 KT LATE. SEAS 2 TO 4 FT.
SUN
SE WINDS 10 TO 15 KT, SHIFTING TO NE IN THE AFTERNOON.
SEAS 2 TO 4 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
MON
SE WINDS 10 KT, SHIFTING TO NE IN THE AFTERNOON. SEAS 3 FT
OR LESS.
FORECASTER CHRISTENSEN
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