000
FZNT24 KNHC 182120
OFFNT4

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

GMZ089-190330-
SYNOPSIS FOR THE GULF OF MEXICO 
430 PM CDT MON APR 18 2011

.SYNOPSIS...HIGH PRES WILL DOMINATE THE GULF WATERS THROUGH THE 
FORECAST PERIOD. PRESSURE GRADIENT BETWEEN THE HIGH PRES AND A 
DEEPENING LOW PRES OVER THE CENTRAL PLAINS WILL RESULT IN FRESH 
TO STRONG SE WINDS OVER MOST OF THE MIDDLE AND WESTERN PORTIONS 
TUE THROUGH SAT.

$$
GMZ080-190330-
NW GULF N OF 25N W OF 90W
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 PM CDT MON APR 18 2011

.TONIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.TUE AND TUE NIGHT...SE TO S WINDS 20 KT. SEAS 4 TO 7 FT.
.WED AND WED NIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.
.THU AND FRI...SE TO S WINDS 15 TO 20 KT INCREASING TO 25 KT 
W OF 94W THU NIGHT. SEAS 4 TO 7 FT BUILDING TO 7 TO 9 FT W OF 
94W FRI.
.SAT...SE TO S WINDS 20 TO 25 KT. SEAS 6 TO 9 FT.

$$
GMZ082-190330-
SW GULF S OF 25N W OF 90W 
430 PM CDT MON APR 18 2011

.TONIGHT...SE TO S WINDS 15 TO 20 KT EXCEPT NE WINDS 20 KT NEAR 
THE COAST OF YUCATAN. SEAS 4 TO 6 FT. 
.TUE AND TUE NIGHT...SE WINDS INCREASING TO 20 TO 25 KT. SEAS 
BUILDING 5 TO 8 FT. 
.WED AND WED NIGHT...E OF 95W SE WINDS 20 TO 25 KT DIMINISHING 
TO 15 TO 20 KT LATE. SEAS 5 TO 8 FT. W OF 95W SE WINDS 15 TO 20 
KT. SEAS 4 TO 6 FT
.THU AND FRI...SE WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT 
FRI. SEAS 5 TO 8 FT.
.SAT...SE WINDS 20 TO 25 KT. SEAS 6 TO 9 FT.

$$
GMZ084-190330-
MIDDLE GULF BETWEEN 85W AND 90W   
430 PM CDT MON APR 18 2011

.TONIGHT...SE TO S WINDS 10 TO 15 KT EXCEPT NE TO E WINDS 20 KT 
NEAR THE COAST OF YUCATAN. SEAS 2 TO 4 FT.
.TUE AND TUE NIGHT...SE TO S WINDS 15 TO 20 KT EXCEPT NE TO E 
WINDS 20 TO 25 KT NEAR THE COAST OF YUCATAN. SEAS 3 TO 5 FT 
EXCEPT 4 TO 6 FT NEAR THE COAST OF YUCATAN.
.WED AND WED NIGHT...SE WINDS 10 TO 15 KT EXCEPT NE TO E WINDS 
20 KT NEAR THE COAST OF YUCATAN. SEAS 3 TO 5 FT EXCEPT 4 TO 6 FT 
NEAR THE COAST OF YUCATAN. 
.THU...E TO SE WINDS 10 TO 15 KT EXCEPT NE TO E WINDS 20 KT NEAR 
THE COAST OF YUCATAN IN THE EVENING. SEAS 3 TO 5 FT EXCEPT 4 TO 
6 FT NEAR THE COAST OF YUCATAN.  
.FRI AND SAT...E TO SE WINDS 15 TO 20 KT EXCEPT NE TO E WINDS 20 
TO 25 KT NEAR THE COAST OF YUCATAN IN THE EVENINGS. SEAS 4 TO 7 
FT.

$$
GMZ086-190330-
E GULF BETWEEN 81W AND 85W
430 PM CDT MON APR 18 2011

.TONIGHT...N OF 26N SE TO S WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. S 
OF 26N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.TUE AND TUE NIGHT...N OF 26N SE TO S WINDS 10 TO 15 KT BECOMING 
VARIABLE 5 TO 10 KT TUE NIGHT. SEAS 1 TO 3 FT. S OF 26N E TO SE 
WINDS 10 TO 15 KT EXCEPT E WINDS 15 TO 20 KT ACROSS THE STRAITS 
OF FLORIDA IN THE EVENING. SEAS 3 TO 5 FT.
.WED AND WED NIGHT...N OF 26N SE TO S WINDS 5 TO 10 KT BECOMING 
VARIABLE WED NIGHT. SEAS 2 TO 3 FT. S OF 26N E TO SE WINDS 10 TO 
15 KT EXCEPT E WINDS 15 TO 20 KT ACROSS THE STRAITS OF FLORIDA 
IN THE EVENING. SEAS 3 TO 5 FT.
.THU THROUGH SAT...N OF 26N E TO SE WINDS 10 KT BECOMING 
VARIABLE 5 TO 10 KT AT NIGHT. SEAS 1 TO 3 FT. S OF 26N E TO SE 
WINDS 10 TO 15 KT EXCEPT E WINDS 15 TO 20 KT ACROSS THE STRAITS 
OF FLORIDA IN THE EVENINGS. SEAS 3 TO 5 FT EXCEPT 4 TO 6 FT 
ACROSS THE STRAITS OF FLORIDA. 

$$
FORECASTER GR