000
FZNT24 KNHC 200907
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 AM CDT MON APR 20 2009

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO

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.

GMZ089-201530-
SYNOPSIS FOR THE GULF OF MEXICO
430 AM CDT MON APR 20 2009

.SYNOPSIS...COLD FRONT FROM S ALABAMA TO TAMPICO MEXICO WILL 
EXTEND FROM FORT MYERS TO YUCATAN PENINSULA TONIGHT AND MOVE SE 
OF AREA LATE TUE. HIGH PRES BUILDS E BEHIND FRONT.

$$
GMZ080-201530-
NW GULF N OF 25N W OF 90W
INCLUDING FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT MON APR 20 2009

.TODAY...NW TO N WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT W 
OF 95W. SEAS 4 TO 7 FT.
.TONIGHT...E OF 93W NW TO N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. W 
OF 93W VARIABLE WINDS 10 KT OR LESS. SEAS 2 TO 3 FT.
.TUE AND TUE NIGHT...NW TO N WINDS 10 KT BECOMING VARIABLE 5 TO 
10 KT TUE NIGHT. SEAS 1 TO 3 FT. 
.WED THROUGH FRI...W OF 95W S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
E OF 95W S TO SW WINDS 10 KT OR LESS. SEAS 1 TO 2 FT.
.THU AND FRI...E TO SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 
KT W OF 95W. SEAS 2 TO 4 FT BUILDING 4 TO 6 FT FRI.

$$
GMZ082-201530-
SW GULF S OF 25N W OF 90W
430 AM CDT MON APR 20 2009

.TODAY...W OF FRONT N TO NE WINDS 20 TO 25 KT...EXCEPT 25 TO 30 
KT S OF 21N W OF 96W. SEAS 5 TO 8 FT. E OF FRONT VARIABLE WINDS 
10 KT OR LESS. SEAS 2 TO 3 FT. SCATTERED TSTMS ALONG FRONT.  
.TONIGHT...N WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.
.TUE...NE TO E WINDS 10 TO 15 KT. SEAS SUBSIDING TO 3 TO 5 FT.
.TUE NIGHT AND WED...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. 
.THU AND FRI...E TO SE WINDS 15 KT. SEAS 3 TO 5 FT.

$$
GMZ084-201530-
MIDDLE GULF BETWEEN 85W AND 90W
430 AM CDT MON APR 20 2009

.TODAY AND TONIGHT...W OF FRONT NW WINDS 15 TO 20 KT DIMINISHING 
TO 10 TO 15 KT N OF 26N TONIGHT. SEAS 4 TO 6 FT. E OF FRONT S TO 
SW 10 KT. SEAS 2 TO 3 FT. SCATTERED TSTMS ALONG FRONT.
.TUE THROUGH WED...N OF 25N NW TO N WINDS 10 KT OR LESS. SEAS 1 
TO 3 FT. S OF 25N N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.THU AND FRI...S OF 25N E WINDS 15 TO 20 KT. SEAS BUILDING 4 TO 
6 FT. N OF 25N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.

$$
GMZ086-201530-
E GULF BETWEEN 81W AND 85W
430 AM CDT MON APR 20 2009

.TODAY AND TONIGHT...S TO SW WINDS 10 TO 15 KT SHIFTING NW 
BEHIND FRONT. SEAS 3 TO 5 FT. SCATTERED SHOWERS AND TSTMS ALONG 
FRONT.
.TUE AND TUE NIGHT...NW TO N WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.WED...N OF 27N W TO NW WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. S OF 
27N N TO NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.THU AND FRI...N OF 27N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 3 
FT. S OF 27N E WINDS 15 TO 20 KT INCREASING TO 25 KT STRAITS OF 
FLORIDA LATE THU AND FRI. SEAS 4 TO 6 FT EXCEPT 6 TO 9 FT 
STRAITS OF FLORIDA. 

$$
FORECASTER CANGIALOSI