000
FZNT24 KNHC 130833
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS NATIONAL HURRICANE CENTER MIAMI FL
430 AM CDT WED APR 13 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. 

GMZ089-131530-
SYNOPSIS FOR THE GULF OF MEXICO 
430 AM CDT WED APR 13 2011

.SYNOPSIS...A COLD FRONT WILL MOVE INTO THE STRAITS OF FLORIDA 
TODAY AND DISSIPATE TONIGHT...HOWEVER THE W PORTION OF THE FRONT 
WILL PERSIST OVER THE E BAY OF CAMPECHE THROUGH EARLY THU. HIGH 
PRES IS BUILDING IN WAKE OF FRONT WITH THE SE RETURN FLOW OVER 
THE NW GULF TODAY SPREADING E ACROSS THE ENTIRE AREA THU. A 
SECOND COLD FRONT WILL MOVE OFFSHORE TEXAS FRI AFTERNOON... 
EXTEND FROM THE FLORIDA BIG BEND TO THE BAY OF CAMPECHE SAT... 
AND DISSIPATE OVER THE SE WATERS SUN.

$$
GMZ080-131530-
NW GULF N OF 25N W OF 90W
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT WED APR 13 2011

.TODAY THROUGH THU NIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 3 TO 
5 FT.
.FRI...S TO SW WINDS 15 TO 20 KT SHIFTING TO N TO NE BEHIND 
FRONT. SEAS 3 TO 6 FT.
.SAT AND SUN...NE TO E WINDS 15 KT BECOMING E TO SE 15 TO 20 KT 
LATE SUN. SEAS 3 TO 5 FT.

$$
GMZ082-131530-
SW GULF S OF 25N W OF 90W 
430 AM CDT WED APR 13 2011

.TODAY THROUGH FRI...E TO SE WINDS 10 TO 15 KT INCREASING TO 15 
TO 20 KT THU. SEAS 3 TO 5 FT.
.SAT...NW OF FRONT NE TO E WINDS 15 KT. SEAS 3 TO 4 FT. SE OF 
FRONT SE WINDS 10 KT. SEAS 2 TO 3 FT.
.SUN...SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT LATE. SEAS 
3 TO 4 FT INCREASING TO 4 TO 5 FT LATE.

$$
GMZ084-131530-
MIDDLE GULF BETWEEN 85W AND 90W   
430 AM CDT WED APR 13 2011

.TODAY AND TONIGHT...NE TO E WINDS 10 TO 15 KT SHIFTING TO SE
TONIGHT. SEAS 2 TO 4 FT.
.THU THROUGH FRI...E TO SE WINDS 10 TO 15 KT BECOMING S TO SE 15 
TO 20 KT FRI. SEAS 3 TO 5 FT.
.SAT...N OF 25N S TO SW WINDS 15 KT SHIFTING TO NW BEHIND FRONT. 
SEAS 3 TO 5 FT. S OF 25N SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 
FT.
.SUN...N OF FRONT N TO NE WINDS 10 KT BECOMING E TO SE 10 TO 15 
KT LATE. SEAS 3 FT. S OF FRONT E TO SE WINDS 10 TO 15 KT. SEAS 3 
TO 4 FT.

$$
GMZ086-131530-
E GULF BETWEEN 81W AND 85W
430 AM CDT WED APR 13 2011

.TODAY AND TONIGHT...NE WINDS 5 TO 10 KT. SEAS 1 FT.
.THU AND THU NIGHT...E TO SE WINDS 10 KT. SEAS 1 TO 2 FT.
.FRI AND SAT...SE TO S WINDS 5 TO 10 KT BECOMING SW 10 TO 15 KT 
AHEAD OF FRONT THEN SHIFTING TO NW BEHIND FRONT. SEAS 2 TO 4 FT. 
.SUN...NE TO E WINDS 5 TO 10 KT. SEAS 2 FT.

$$
FORECASTER NELSON