000
FZNT24 KNHC 181526
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 AM CDT MON APR 18 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. 

GMZ089-182130-
SYNOPSIS FOR THE GULF OF MEXICO 
1030 AM CDT MON APR 18 2011

.SYNOPSIS...HIGH PRES DOMINATE ACROSS ENTIRE BASIN THROUGH FRI. 
DEEPENING LOW PRES OVER CENTRAL PLAINS AND HIGH PRES OVER NE 
GULF PROMPT FRESH TO STRONG SE BREEZE OVER WESTERN HALF W OF 88W 
TUE THROUGH FRI.

$$
GMZ080-182130-
NW GULF N OF 25N W OF 90W
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
1030 AM CDT MON APR 18 2011

.THIS AFTERNOON AND TONIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 3 
TO 5 FT BUILDING TO 6 FT W OF 93W TONIGHT.
.TUE AND TUE NIGHT...SE TO S WINDS 20 KT. SEAS BUILDING TO 8 FT.
.WED THROUGH FRI...SE TO S WINDS 15 TO 20 KT INCREASING TO 25 KT 
W OF 94W FRI. SEAS 5 TO 7 FT BUILDING TO 8 FT FRI.

$$
GMZ082-182130-
SW GULF S OF 25N W OF 90W 
1030 AM CDT MON APR 18 2011

.THIS AFTERNOON AND TONIGHT...SE WINDS 15 TO 20 KT INCREASE TO 
25 KT LATE TONIGHT. SEAS 3 TO 5 FT BUILD TO 7 FT LATE TONIGHT.
.TUE THROUGH WED...SE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT.
.THU AND FRI...SE WINDS 20 KT. SEAS 5 TO 7 FT.

$$
GMZ084-182130-
MIDDLE GULF BETWEEN 85W AND 90W   
1030 AM CDT MON APR 18 2011

.THIS AFTERNOON...N OF 26N SE TO S WINDS 10 KT. SEAS 1 TO 2 FT. 
S OF 26N SE WINDS 15 KT INCREASE TO 20 KT LATE. SEAS 4 TO 5 FT.
.TONIGHT...S OF 26N W OF 88W SE WINDS 20 KT. SEAS 5 TO 7 FT. 
ELSEWHERE SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.TUE AND TUE NIGHT...W OF 88W SE TO S WINDS 20 KT. SEAS 5 TO 
7 FT. E OF 88W SE TO S WINDS 15 KT. SEAS 4 TO 6 FT.
.WED...N OF 26N SE TO S WINDS 10 KT. SEAS 2 TO 3 FT.
S OF 26N E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.THU AND FRI...N OF 26N SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
S OF 26N E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. 

$$
GMZ086-182130-
E GULF BETWEEN 81W AND 85W
1030 AM CDT MON APR 18 2011

.THIS AFTERNOON AND TONIGHT...N OF 26N SE TO S WINDS 10 KT OR 
LESS. SEAS 1 FT. S OF 26N SE WINDS 10 KT. SEAS 2 TO 3 FT.
.TUE THROUGH THU...N OF 26N SE TO S WINDS LESS THAN 10 KT. SEAS 
1 FT. S OF 26N E TO SE WINDS 15 KT. SEAS 4 TO 5 FT.
.FRI...N OF 26N NE WINDS 10 KT. SEAS 1 FT. S OF 26N E TO SE 
WINDS 15 KT INCREASE TO 20 KT LATE. SEAS 4 TO 5 FT BUILD TO 7 FT 
LATE.

$$
FORECASTER WALLY BARNES