000
FZNT24 KNHC 160842
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS NATIONAL HURRICANE CENTER MIAMI FL
430 AM CDT SAT APR 16 2011

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. 

GMZ089-161530-
SYNOPSIS FOR THE GULF OF MEXICO 
430 AM CDT SAT APR 16 2011

.SYNOPSIS...A COLD FRONT EXTENDS FROM SE LOUISIANA TO NEAR 
TAMPICO MEXICO. THE FRONT WILL REACH FROM SOUTHERN FLORIDA TO 
NEAR TAMPICO MEXICO LATE TONIGHT WHERE IT WILL STALL AND 
DISSIPATE. SOUTHERLY RETURN FLOW WILL BECOME REESTABLISHED 
ACROSS THE BASIN SUN NIGHT THROUGH WED.

$$
GMZ080-161530-
NW GULF N OF 25N W OF 90W
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT SAT APR 16 2011

.TODAY AND TONIGHT...N TO NE WINDS 20 TO 25 KT EARLY BECOMING 
NE TO E WINDS 15 TO 20 KT DURING THE AFTERNOON SHIFTING E TO SE 
15 KT LATE. SEAS 5 TO 8 FT SUBSIDING TO 3 TO 5 FT LATE.
.SUN AND SUN NIGHT...E TO SE WINDS 15 KT GRADUALLY BECOMING SE 
TO S 15 TO 20 KT. SEAS 3 TO 5 FT BUILDING 4 TO 6 FT LATE.
.MON AND TUE...SE TO S WINDS 15 TO 20 KT INCREASING TO 20 TO 25 
KT TUE. SEAS 4 TO 7 FT BUILDING TO 6 TO 8 FT TUE.
.WED...SE TO S WINDS 20 TO 25 KT BECOMING SE 15 TO 20 KT LATE. 
SEAS 6 TO 9 FT.

$$
GMZ082-161530-
SW GULF S OF 25N W OF 90W 
430 AM CDT SAT APR 16 2011

.TODAY THROUGH TONIGHT...E OF FRONT E TO SE WINDS NEAR 15 
KT...BECOMING N TO NE 20 KT TONIGHT. SEAS 2 TO 4 FT. W OF FRONT 
NE WINDS 20 TO 25 KT. SEAS BUILDING TO 6 TO 8 FT.
.SUN AND SUN NIGHT...E WINDS 15 KT BECOMING SE 15 TO 20 KT SUN 
NIGHT. SEAS 4 TO 7 FT SUBSIDING TO 4 TO 6 FT.
.MON AND TUE...SE WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT 
TUE. SEAS 3 TO 5 FT BUILDING 4 TO 7 FT TUE.
.WED...SE WINDS 20 TO 25 KT BECOMING E TO SE 15 TO 20 KT LATE. 
SEAS 5 TO 8 FT EXCEPT 3 TO 5 FT S OF 21N.

$$
GMZ084-161530-
MIDDLE GULF BETWEEN 85W AND 90W   
430 AM CDT SAT APR 16 2011

.TODAY AND TONIGHT...N OF FRONT NW TO N WINDS 15 TO 20 KT 
BECOMING N TO NE WINDS S OF 25N. SEAS 4 TO 6 FT. S OF FRONT SE 
TO S WINDS 5 TO 15 KT BECOMING NE 10 TO 15 KT TONIGHT. SEAS 2 TO 
4 FT.
.SUN AND SUN NIGHT...N OF 25N N TO NE NE WINDS 10 KT SHIFTING TO 
SE LATE. SEAS 3 FT. S OF 25N E TO SE WINDS 5 TO 10 KT. SEAS 2 FT.
.MON AND TUE...SE TO S WINDS 10 TO 15 KT INCREASING TO 15 TO 20 
KT TUE. SEAS 2 TO 4 FT BUILDING 3 TO 6 FT TUE.
.WED...SE TO S WINDS 15 TO 20 KT BECOMING SE WINDS LATE. SEAS 4 
TO 6 FT. 

$$
GMZ086-161530-
E GULF BETWEEN 81W AND 85W
430 AM CDT SAT APR 16 2011

.TODAY AND TONIGHT...SE TO S WINDS 10 TO 15 KT BECOMING SW 15 TO 
20 KT N PORTIONS AHEAD OF FRONT...BECOMING NW 15 TO 20 KT BEHIND 
FRONT THEN N TO NE 15 KT TONIGHT. SEAS BUILDING 3 TO 4 FT AHEAD 
OF FRONT AND 5 TO 6 FT BEHIND FRONT TONIGHT. 
.SUN AND SUN NIGHT...N TO NE WINDS 10 TO 15 KT BEHIND FRONT 
DIMINISHING TO 5 TO 10 KT LATE. S OF FRONT VARIABLE WINDS LESS 
THAN 10 KT BECOMING NE 10 KT LATE. SEAS 3 TO 4 FT N OF FRONT AND 
1 TO 2 FT S OF FRONT.
.MON AND TUE...E TO SE WINDS 5 TO 10 KT INCREASING TO 15 KT 
STRAITS OF FLORIDA THEN BECOMING SE TO S 15 KT TUE EXCEPT TO 20 
KT STRAITS OF FLORIDA. SEAS 1 TO 3 FT BUILDING TO 3 TO 4 FT 
TUE...EXCEPT 2 TO 4 FT STRAITS OF FLORIDA BUILDING TO 5 TO 6 FT 
TUE. 
.WED...SE TO S WINDS 15 KT EARLY...EXCEPT TO 20 KT STRAITS OF 
FLORIDA...BECOMING E TO SE LATE. SEAS 2 TO 3 FT EXCEPT 5 TO 6 FT 
STRAITS OF FLORIDA.

$$
FORECASTER AL