000
FZNT24 KNHC 270855
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 AM CDT TUE APR 27 2010

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. 

GMZ089-271530-
SYNOPSIS FOR THE GULF OF MEXICO
430 AM CDT TUE APR 27 2010

.SYNOPSIS...COLD COLD FRONT WILL EXTEND FROM MOBILE AL TO 
BROWNSVILLE TX LATER THIS MORNING AND MOVE QUICKLY ACROSS NE 
GULF TODAY. HIGH PRES BUILDS BEHIND THIS FRONT WED MOVING INTO E 
GULF THU AND E OF FL FRI AND SAT. STRONG SOUTHERLY RETURN FLOW 
BUILDS ACROSS THE GULF FRI AND SAT AS THE PRES GRADIENT 
STRENGTHENS BETWEEN THE HIGH AND TROUGH OVER TEXAS AND NE MEXICO.

$$
GMZ080-271530-
NW GULF N OF 25N W OF 90W   
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT TUE APR 27 2010

.TODAY...E OF FRONT S TO SW WINDS 10 KT. SEAS 1 TO 2 FT. W OF 
FRONT N TO NE WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. 
.TONIGHT...N OF 27N VARIABLE WINDS 5 TO 10 KT. SEAS 1 TO 2 FT. S 
OF 27N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
.WED AND WED NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.THU...SE TO S WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT LATE. 
SEAS 6 TO 8 FT BUILDING 8 TO 10 FT LATE. 
.FRI...SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.
.SAT...E OF 95W S TO SE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. W OF 
95W S WINDS 15 TO 20 KT. SEAS 6 TO 8 FT. SCATTERED SHOWERS AND 
TSTMS N OF 28N.

$$
GMZ082-271530-
SW GULF S OF 25N W OF 90W
430 AM CDT TUE APR 27 2010

.TODAY...E TO SE WINDS 10 KT. SEAS 1 TO 3 FT.
.TUE NIGHT...NE TO E 15 TO 20 KT. SEAS 3 TO 5 FT.
.WED AND WED NIGHT...N OF 20N NE TO E WINDS 10 TO 15 KT EXCEPT 
NE WINDS 20 KT NEAR YUCATAN COAST WED NIGHT. SEAS 3 TO 5 FT. S 
OF 20N VARIABLE WINDS 5 TO 10 KT BECOMING N TO NE 10 TO 15 KT 
WED NIGHT. SEAS 2 TO 3 FT.
.THU...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 
.FRI...SE TO S WINDS 20 TO 25 KT. SEAS BUILDING 8 TO 11 FT.
.SAT...E OF 95W S TO SE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT N OF 
22N AND 4 TO 7 FT S OF 24N. W OF 95W S WINDS 15 TO 20 KT. SEAS 6 
TO 8 FT N OF 22N AND 4 TO 7 FT S OF 22N.

$$
GMZ084-271530-
MIDDLE GULF BETWEEN 85W AND 90W  
430 AM CDT TUE APR 27 2010

.TODAY...N OF 26N W TO NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. S
OF 26N NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.  
.TONIGHT...N OF 26N N TO NE WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. 
S OF 26N NE TO E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
.WED AND WED NIGHT...N OF 28N VARIABLE WINDS 10 KT OR LESS. SEAS 
1 TO 2 FT. S OF 28N NE TO E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.THU...E TO SE WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT LATE. 
SEAS 3 TO 5 FT BUILDING 6 TO 8 FT LATE. 
.FRI AND SAT...SE TO S WINDS 20 TO 25 KT. SEAS BUILDING 8 TO 10 
FT.

$$
GMZ086-271530-
E GULF BETWEEN 81W AND 85W       
430 AM CDT TUE APR 27 2010

.TODAY AND TONIGHT...N OF 27N W TO NW 15 TO 20 KT. SEAS 4 
TO 6 FT. S OF 27N N TO NE WINDS 10 KT. SEAS 2 TO 3 FT. 
.WED AND WED NIGHT...N TO NE WINDS 10 TO 15 KT BECOMING NE TO E 
10 KT WED NIGHT. SEAS 2 TO 4 FT SUBSIDING TO 1 TO 3 FT WED 
NIGHT. 
.THU...E TO SE WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT LATE. 
SEAS 2 TO 4 FT. 
.FRI...SE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.SAT...SE TO S WINDS 15 TO 20 KT. SEAS 5 TO 7 FT.

$$
FORECASTER DGS