000
FZNT24 KNHC 180837
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS NATIONAL HURRICANE CENTER MIAMI FL
430 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. 

GMZ089-181530-
SYNOPSIS FOR THE GULF OF MEXICO 
430 AM CDT MON APR 18 2011

.SYNOPSIS...HIGH PRES WILL DOMINATE MUCH OF THE AREA THROUGH 
FRI. THE COMBINATION OF DEEPENING LOW PRES OVER THE PLAINS AND
HIGH PRES ALONG THE NORTHERN GULF WILL RESULT IN FRESH SE FLOW 
OVER MOST OF THE MIDDLE AND WESTERN PORTIONS THROUGH FRI.

$$
GMZ080-181530-
NW GULF N OF 25N W OF 90W
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT MON APR 18 2011

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

$$
GMZ082-181530-
SW GULF S OF 25N W OF 90W 
430 AM CDT MON APR 18 2011

.TODAY AND TONIGHT...SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
.TUE THROUGH WED...SE WINDS 20 TO 25 KT. SEAS 6 TO 8 FT.
.THU AND FRI...SE WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.

$$
GMZ084-181530-
MIDDLE GULF BETWEEN 85W AND 90W   
430 AM CDT MON APR 18 2011

.TODAY...N OF 23N SE TO S WINDS 10 TO 15 KT. SEAS 1 TO 3 FT. S 
OF 23N E TO SE WINDS 15 KT. SEAS 2 TO 4 FT.
.TONIGHT...S OF 25N W OF 88W SE WINDS 20 KT. SEAS 4 TO 6 FT. 
ELSEWHERE SE TO S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.TUE THROUGH WED...S OF 28N W OF 87W SE WINDS 15 TO 20 KT. SEAS 
4 TO 7 FT. ELSEWHERE SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.THU...N OF 26N SE TO S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. S OF 
26N E TO SE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
.FRI...N OF 26N E OF 88W SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
ELSEWHERE E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 

$$
GMZ086-181530-
E GULF BETWEEN 81W AND 85W
430 AM CDT MON APR 18 2011

.TODAY AND TONIGHT...N OF 25N SE TO S WINDS 5 TO 10 KT. SEAS 1 
TO 3 FT. S OF 25N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.TUE THROUGH WED...N OF 26N SE TO S WINDS 10 KT. SEAS 1 TO 3 FT. 
S OF 26N E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.
.THU AND FRI...N OF 26N VARIABLE WINDS 5 TO 10 FT BECOMING SE TO 
S WINDS 10 TO 15 KT FRI. SEAS 1 TO 3 FT. S OF 26N E TO SE WINDS 
15 TO 20 KT. SEAS 4 TO 6 FT.

$$
FORECASTER SCHAUER