116
FZNT24 KNHC 220900
OFFNT4
OFFSHORE WATERS FORECAST FOR THE GULF OF AMERICA
NWS NATIONAL HURRICANE CENTER MIAMI, FL
500 AM 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.
GMZ001-222100-
SYNOPSIS FOR THE GULF OF AMERICA
500 AM EDT WED JUL 22 2026
SYNOPSIS
TROPICAL STORM BERTHA IS NEAR 29.4N 88.3W AT 5 AM EDT,
AND IS MOVING WEST AT 4 KT. MAXIMUM SUSTAINED WINDS ARE 45 KT
WITH GUSTS TO 55 KT, AND THE MINIMUM CENTRAL PRESSURE IS 998 MB.
BERTHA WILL MOVE INLAND TO NEAR 29.4N 89.4W THIS AFTERNOON,
INLAND TO 29.3N 91.4W LATE TONIGHT, TO NEAR 29.3N 93.9W THU
AFTERNOON, THEN WEAKEN TO A REMNANT LOW NEAR 29.5N 96.3W LATE
THU NIGHT AND DISSIPATE FRI AFTERNOON. SWELLS GENERATED BY
BERTHA WILL CONTINUE SPREADING WESTWARD ALONG THE NORTHERN GULF
COAST DURING THE NEXT FEW DAYS. 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 ANTICYCLONIC WIND FLOW
PATTERN 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 THROUGH THE WEEKEND.
GMZ040-222100-
NW GULF OF AMERICA INCLUDING STETSON BANK-
500 AM EDT WED JUL 22 2026
TODAY
SW TO W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ISOLATED
SHOWERS.
TONIGHT
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED
SHOWERS AND THUNDERSTORMS.
THU
S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT SCATTERED
TO NUMEROUS SHOWERS AND THUNDERSTORMS.
THU NIGHT
S 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 WINDS 10 KT. SEAS 3 TO 4 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 FT OR LESS.
SUN
SE TO S WINDS 10 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ041-222100-
SW LOUISIANA OFFSHORE WATERS INCLUDING FLOWER GARDEN BANK MARINE
SANCTUARY-
500 AM EDT WED JUL 22 2026
TODAY
SW TO W WINDS 20 TO 25 KT. SEAS 3 TO 5 FT. NUMEROUS
SHOWERS AND SCATTERED TSTMS.
TONIGHT
SW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. NUMEROUS
SHOWERS AND SCATTERED TSTMS.
THU
TROPICAL STORM CONDITIONS POSSIBLE. SW WINDS 30 TO
35 KT. SEAS 4 TO 6 FT. SCATTERED SHOWERS AND THUNDERSTORMS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
FRI
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT IN MIXED SWELL.
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 KT. SEAS 3 TO 4 FT.
SUN
SE TO S WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS
THAN 5 KT. SEAS 3 TO 4 FT.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT, BECOMING S 10 KT
LATE. SEAS 2 TO 4 FT.
GMZ056-222100-
N CENTRAL GULF OF AMERICA OFFSHORE WATERS-
500 AM EDT WED JUL 22 2026
..TROPICAL STORM WARNING
TODAY
TROPICAL STORM CONDITIONS. W OF 90W, SW TO W WINDS
20 TO 25 KT. ELSEWHERE, SW WINDS 35 TO 40 KT, DIMINISHING TO
25 TO 30 KT IN THE AFTERNOON. SEAS 5 TO 7 FT W OF 90W, AND 8 TO
12 FT ELSEWHERE EXCEPT 10 TO 14 FT NE PART. SCATTERED TO NUMEROUS
SQUALLS AND THUNDERSTORMS.
TONIGHT
S TO SW WINDS 20 TO 25 KT. SEAS 6 TO 8 FT W OF 90W,
AND 8 TO 11 FT ELSEWHERE.
THU
S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
THU NIGHT
SE TO S WINDS 10 KT. SEAS 3 TO 5 FT IN W TO NW SWELL.
FRI
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E TO SE WINDS 10 KT. SEAS 3 TO 4 FT.
SAT
W OF 89W, E WINDS 10 KT. E OF 89W, E WINDS 10 KT IN THE
MORNING, BECOMING VARIABLE LESS THAN 5 KT. SEAS 2 TO 4 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT.
SUN
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT.
SUN NIGHT
VARIABLE WINDS LESS THAN 5 KT W OF 89W, AND W 10 KT
E OF 89W. SEAS 2 TO 4 FT.
GMZ057-222100-
NE GULF OF AMERICA N OF 26N E OF 87W-
500 AM EDT WED JUL 22 2026
..TROPICAL STORM WARNING N OF 27N W OF 86W
REST OF TONIGHT
S OF 27N, S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.
N OF 27N, S TO SW WINDS 20 TO 25 KT, EXCEPT W OF 86W 30 TO 35 KT.
SEAS 9 TO 12 FT.
TODAY
S OF 27N, S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT. N OF 27N,
S TO SW WINDS 20 TO 25 KT. SEAS 6 TO 8 FT E OF 85W, AND 8 TO 12 FT
W OF 85W.
TONIGHT
S OF 27N, SE TO S WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
N OF 27N, S TO SW WINDS 15 TO 20 KT. SEAS 6 TO 8 FT, EXCEPT 7 TO
10 FT IN W SWELL W OF 86W SUBSIDING TO 6 TO 8 FT LATE.
THU
SE TO S WINDS 10 KT W OF 85W, AND VARIABLE LESS THAN 5 KT
E OF 85W. SEAS 5 TO 7 FT IN W TO NW SWELL.
THU NIGHT
W OF 85W, VARIABLE WINDS LESS THAN 5 KT. E OF 85W,
VARIABLE WINDS LESS THAN 5 KT, BECOMING N TO NE 10 KT LATE. SEAS
3 TO 5 FT IN W TO NW SWELL.
FRI
NE TO E WINDS 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
NE TO E WINDS 10 KT. SEAS 3 TO 4 FT.
SAT
W OF 85W, E WINDS 10 KT IN THE MORNING. VARIABLE WINDS
LESS THAN 5 KT IN THE AFTERNOON. E OF 85W, VARIABLE WINDS LESS
THAN 5 KT IN THE MORNING. SEAS 2 TO 3 FT.
SAT NIGHT
VARIABLE WINDS LESS THAN 5 KT. SEAS 2 TO 4 FT.
SUN
W TO NW WINDS 10 KT. SEAS 2 TO 4 FT.
SUN NIGHT
W WINDS 10 KT. SEAS 2 TO 4 FT.
GMZ058-222100-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N W OF 94W-
500 AM EDT WED JUL 22 2026
TODAY
S WINDS 10 KT. SEAS 3 TO 4 FT.
TONIGHT
SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
THU
SE TO S 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
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
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN NIGHT
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ045-222100-
W CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 91W AND 94W-
500 AM EDT WED JUL 22 2026
TODAY
S WINDS 10 KT. SEAS 2 TO 4 FT.
TONIGHT
S OF 24N, VARIABLE WINDS LESS THAN 5 KT, BECOMING E TO
SE 10 KT LATE. N OF 24N, S WINDS 10 KT. SEAS 3 TO 4 FT.
THU
SE TO S WINDS 10 KT. SEAS 3 TO 4 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 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 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.
GMZ046-222100-
CENTRAL GULF OF AMERICA FROM 22N TO 26N BETWEEN 87W AND 91W-
500 AM EDT WED JUL 22 2026
TODAY
S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
TONIGHT
SE TO S 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 WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI
E WINDS 10 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 KT. SEAS 3 TO 5 FT.
SAT NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SUN
S OF 24N, SE TO S WINDS 10 KT, SHIFTING TO E IN THE
AFTERNOON. N OF 24N, S WINDS 10 KT IN THE MORNING, BECOMING
VARIABLE LESS THAN 5 KT. SEAS 3 TO 4 FT.
SUN NIGHT
S OF 24N, E WINDS 10 TO 15 KT. N OF 24N, VARIABLE
WINDS LESS THAN 5 KT, BECOMING SE TO S 10 KT LATE. SEAS
3 TO 4 FT.
GMZ047-222100-
SE GULF OF AMERICA FROM 22N TO 26N E OF 87W INCLUDING STRAITS OF
FLORIDA-
500 AM EDT WED JUL 22 2026
TODAY
SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. ISOLATED
SHOWERS AND THUNDERSTORMS.
TONIGHT
E WINDS 10 KT. SEAS 3 TO 5 FT IN NW SWELL. ISOLATED
SHOWERS AND THUNDERSTORMS.
THU
E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ISOLATED SHOWERS AND
THUNDERSTORMS.
THU NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. ISOLATED
SHOWERS AND THUNDERSTORMS.
FRI
E WINDS 10 KT. SEAS 3 TO 4 FT.
FRI NIGHT
E WINDS 10 KT. SEAS 3 TO 4 FT.
SAT
SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS THAN
5 KT. SEAS 2 TO 4 FT.
SAT NIGHT
E TO SE WINDS 10 KT S OF 24N, AND VARIABLE LESS THAN
5 KT N OF 24N. SEAS 2 TO 4 FT.
SUN
VARIABLE WINDS LESS THAN 5 KT, BECOMING N 10 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT.
SUN NIGHT
N WINDS 10 KT IN THE EVENING, BECOMING VARIABLE
LESS THAN 5 KT. SEAS 2 TO 4 FT.
GMZ048-222100-
SW GULF OF AMERICA S OF 22N W OF 94W-
500 AM EDT WED JUL 22 2026
TODAY
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 FT OR LESS.
TONIGHT
NE TO E WINDS 10 KT. SEAS 3 FT OR LESS.
THU
E TO SE WINDS 10 KT IN THE MORNING, BECOMING VARIABLE LESS
THAN 5 KT. SEAS 3 FT OR LESS.
THU NIGHT
E WINDS 10 KT. SEAS 2 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 TO
15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT
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 5 FT.
SAT NIGHT
E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SUN
VARIABLE WINDS LESS THAN 5 KT S OF 21N W OF 95W, AND E TO
SE 10 KT ELSEWHERE. SEAS 2 TO 4 FT.
SUN NIGHT
E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
GMZ049-222100-
CENTRAL BAY OF CAMPECHE-
500 AM EDT WED JUL 22 2026
TODAY
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
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
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NE TO E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SAT
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SAT NIGHT
NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN
E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
GMZ050-222100-
E BAY OF CAMPECHE INCLUDING CAMPECHE BANK-
500 AM EDT WED JUL 22 2026
TODAY
SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
TONIGHT
N TO NE WINDS 10 TO 15 KT, SHIFTING TO E LATE.
SEAS 3 TO 4 FT.
THU
SE WINDS 10 TO 15 KT, SHIFTING TO NE TO E IN THE
AFTERNOON. SEAS 3 TO 5 FT.
THU NIGHT
NE TO E WINDS 10 TO 15 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 3 TO 5 FT.
SAT
SE WINDS 10 TO 15 KT, SHIFTING TO N TO NE IN THE
AFTERNOON. SEAS 3 TO 5 FT.
SAT NIGHT
NE WINDS 15 TO 20 KT, BECOMING SE 10 TO 15 KT LATE.
SEAS 3 TO 5 FT.
SUN
SE WINDS 10 TO 15 KT, SHIFTING TO N TO NE IN THE
AFTERNOON. SEAS 3 TO 5 FT.
SUN NIGHT
E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FORECASTER AGUIRRE
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