000
FZNT24 KNHC 210237
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 PM CDT WED APR 20 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. 

GMZ089-210930-
SYNOPSIS FOR THE GULF OF MEXICO 
1030 PM CDT WED APR 20 2011

.SYNOPSIS...THE GRADIENT BETWEEN HIGH PRES OVER THE EASTERN GULF 
AND TROUGHING OVER THE PLAINS AND NE MEXICO WILL RESULT IN 
MODERATE TO FRESH SE RETURN FLOW OVER THE GULF THROUGH THE 
PERIOD.

$$
GMZ080-210930-
NW GULF N OF 25N W OF 90W
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
1030 PM CDT WED APR 20 2011

.TONIGHT THROUGH THU NIGHT...SE TO S WINDS 15 TO 20 KT. SEAS 5 
TO 7 FT. ISOLATED TSTMS W PART TONIGHT AND THU.
.FRI THROUGH MON...SE TO S WINDS 15 TO 20 KT. SEAS 5 TO 8 FT.

$$
GMZ082-210930-
SW GULF S OF 25N W OF 90W 
1030 PM CDT WED APR 20 2011

.TONIGHT THROUGH MON...N OF 20N E TO SE WINDS 15 TO 20 KT. SEAS 
5 TO 8 FT. S OF 20N NE TO E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.

$$
GMZ084-210930-
MIDDLE GULF BETWEEN 85W AND 90W   
1030 PM CDT WED APR 20 2011

.TONIGHT THROUGH THU NIGHT...S OF 26N W OF 87W SE WINDS 15 TO 20
KT. SEAS 5 TO 7 FT. ELSEWHERE SE TO S WINDS 10 TO 15 KT. SEAS 3 
TO 5 FT.
.FRI...N OF 25N SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. S OF 25N 
E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.
.FRI NIGHT THROUGH MON..SE WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.

$$
GMZ086-210930-
E GULF BETWEEN 81W AND 85W
1030 PM CDT WED APR 20 2011

.TONIGHT TROUGH THU NIGHT...N OF 27N VARIABLE WINDS 5 TO 10 KT. 
SEAS 1 TO 2 FT. FROM 27N TO 25N E WINDS 10 TO 15 KT. SEAS 2 TO 4 
FT. S OF 25N E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 
.FRI THROUGH MON...N OF 28N SE WINDS 10 TO 15 KT. SEAS 1 TO 3 
FT. S OF 26N E TO SE WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.

$$
FORECASTER NELSON