000
FZNT24 KNHC 300914
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
430 AM CDT FRI APR 30 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. 

GMZ089-301530-
SYNOPSIS FOR THE GULF OF MEXICO
430 AM CDT FRI APR 30 2010

.SYNOPSIS...HIGH PRES CENTERED OVER THE SW ATLANTIC EXTENDS A 
RIDGE ACROSS THE E GULF REGION. STRONG SOUTHERLY RETURN FLOW 
WILL INCREASE ACROSS MUCH OF THE GULF THROUGH SAT AS THE PRES 
GRADIENT STRENGTHENS BETWEEN THE HIGH AND A FRONT MOVING OVER 
EASTERN TEXAS. THE FRONT IS EXPECTED TO ENTER THE NW GULF 
SUN...REACH FROM SE LOUISIANA TO WESTERN BAY OF CAMPECHE 
MON...AND FROM THE W FLORIDA PANHANDLE TO EASTERN BAY OF 
CAMPECHE TUE.

$$
GMZ080-301530-
NW GULF N OF 25N W OF 90W   
INCLUDING THE FLOWER GARDEN BANKS NATIONAL MARINE SANCTUARY 
430 AM CDT FRI APR 30 2010

.TODAY AND TONIGHT...SE TO S WINDS 20 TO 25 KT. SEAS BUILDING 8 
TO 10 FT.
.SAT AND SAT NIGHT...E OF 95W SE TO S WINDS INCREASING TO 20 TO 
30 KT. SEAS BUILDING TO 9 TO 12 FT. W OF 95W SE TO S WINDS 15 TO 
20 KT. SEAS 8 TO 10 FT IN SE SWELL.
.SUN...E OF FRONT SE TO S WINDS 20 TO 25 KT...DIMINISHING TO 15 
TO 20 KT LATE. SEAS 9 TO 14 FT. W OF FRONT N TO NE WINDS 15 TO 
20 KT DIMINISHING TO 10 TO 15 KT LATE. SEAS SUBSIDING TO 6 TO 8 
FT IN SE SWELL. SCATTERED SHOWERS AND TSTMS ALONG FRONT. 
.MON...E OF 92W S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT IN SE SWELL. 
W OF 92W VARIABLE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN SE SWELL.
.TUE...N TO NE WINDS 10 TO 15 KT...BECOMING NE TO E LATE. SEAS 3 
TO 5 FT.

$$
GMZ082-301530-
SW GULF S OF 25N W OF 90W
430 AM CDT FRI APR 30 2010

.TODAY AND TONIGHT...SE TO S WINDS 20 TO 25 KT. SEAS BUILDING 8 
TO 10 FT N OF 20N...AND 4 TO 6 FT S OF 20N.
.SAT AND SAT NIGHT...E OF 95W SE TO S WINDS 20 TO 30 KT. SEAS 8 
TO 11 FT N OF 21N...AND TO 5 TO 8 FT S OF 21N. W OF 95W S WINDS 
15 TO 20 KT. SEAS 7 TO 9 FT N OF 21N...AND 4 TO 6 FT S OF 21N.
.SUN...E OF 95W SE WINDS 20 TO 30 KT...DIMINISHING TO 15 TO 20 
KT LATE. SEAS 8 TO 12 FT SUBSIDING TO 6 TO 9 FT LATE. W OF 95W 
VARIABLE WINDS SHIFTING TO N TO NE 15 TO 20 KT W OF FRONT. SEAS 
5 TO 8 FT. SCATTERED SHOWERS ALONG FRONT. 
.MON...E OF 93W SE TO S WINDS 15 TO 20 KT BECOMING 10 TO 15 MON 
EVENING. SEAS 5 TO 8 FT IN SE SWELL N OF 22N AND 2 TO 4 FT S OF 
22N. W OF 95W N TO NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
ELSEWHERE W OF 93W VARIABLE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT IN 
SE SWELL N OF 22N...AND 2 TO 3 FT S OF 22N. 
.TUE...N TO NE WINDS 10 TO 15 KT...EXCEPT VARIABLE WINDS 5 TO 10 
KT SE PART. SEAS 2 TO 4 FT. 

$$
GMZ084-301530-
MIDDLE GULF BETWEEN 85W AND 90W   
430 AM CDT FRI APR 30 2010

.TODAY...SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 7 FT. 
.TONIGHT...W OF 87W SE TO S WINDS 20 TO 25 KT. SEAS BUILDING 6 
TO 8 FT. E OF 87W SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
.SAT THROUGH SUN...SE TO S WINDS 20 TO 25 KT. SEAS BUILDING 8 TO 
13 FT...HIGHEST NW.
.MON...SE TO S WINDS 15 TO 20 KT. SEAS 7 TO 10 FT IN SE 
SWELL...SUBSIDING TO 4 TO 7 LATE. SCATTERED SHOWERS OR TSTMS W 
PORTION.
.TUE...NW OF FRONT N TO NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SE 
OF FRONT S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SCATTERED 
SHOWERS OR TSTMS ALONG FRONT.  

$$
GMZ086-301530-
E GULF BETWEEN 81W AND 85W        
430 AM CDT FRI APR 30 2010

.TODAY AND TONIGHT...S OF 27N E TO SE WINDS 15 TO 20 KT. SEAS 4 
TO 7 FT. N OF 27N E TO SE WINDS 10 TO 15 KT. SEAS 2 TO 5 FT. 
WINDS AND SEAS HIGHER IN SCATTERED SHOWERS AND TSTMS THROUGH 
FRI. 
.SAT AND SAT NIGHT...S OF 27N E TO SE WINDS 15 TO 20 KT. SEAS 4 
TO 6 FT. N OF 27N SE TO S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. 
.SUN...SE TO S WINDS 15 TO 20 KT...DIMINISHING 10 TO 15 KT LATE. 
SEAS SUBSIDING TO 3 TO 5 FT LATE.
.MON...SE TO S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.TUE...SE TO S WINDS 10 TO 15 KT...BECOMING S TO SW WINDS 5 TO 
15 KT LATE. SEAS 2 TO 3 FT...HIGHEST N OF 26N.

$$
FORECASTER WALLACE/COBB