000
FZNT24 KNHC 201520
OFFNT4

OFFSHORE WATERS FORECAST FOR THE GULF OF MEXICO
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 AM CDT TUE MAR 20 2012

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. 

GMZ089-202130-
SYNOPSIS FOR THE GULF OF MEXICO
1030 AM CDT TUE MAR 20 2012

.SYNOPSIS...LOW PRES CENTER 1003 MB OVER SE TEXAS DRAGS COLD 
FRONT OFF THE COAST THIS AFTERNOON.  FRONT REACHES 29N93W TO 
19N96W EARLY WED THEN 29N91W TO 19N93W EARLY THU WHERE IT 
WEAKENS...STALLS AND BECOME DIFFUSE LATE THU.  STATIONARY HIGH 
PRES CENTER 1018 MB OVER NE GULF WATERS BECOMES MAIN FEATURE 
WITH LIGHT TO MODERATE SE BREEZE ACROSS ENTIRE BASIN FRI AND 
SAT. 

$$
GMZ080-202130-
NW GULF N OF 25N W OF 90W INCLUDING THE FLOWER GARDEN BANKS 
NATIONAL MARINE SANCTUARY 
1030 AM CDT TUE MAR 20 2012
 
.THIS AFTERNOON AND TONIGHT...SE WINDS 20 TO 30 KT SHIFTING NW 
BEHIND FRONT. SEAS 8 TO 12 FT.  WIND AND SEAS HIGHER IN NUMEROUS 
STRONG TSTMS WITHIN 90 NM E OF FRONT.
.WED AND WED NIGHT...W OF FRONT NW TO N WINDS 25 TO 30 KT 
BECOMING NE 15 KT WED NIGHT. SEAS 8 TO 10 FT SUBSIDING TO 6 FT 
WED NIGHT. E OF FRONT SE WINDS 20 TO 25 KT DIMINISHING TO 15 KT 
WED NIGHT. SEAS 8 TO 11 FT SUBSIDING TO 6 FT WED NIGHT. 
SCATTERED TSTMS ALONG FRONT. 
.THU...W OF DIFFUSING FRONT NE WINDS 10 KT. SEAS 4 TO 5 FT. 
E OF FRONT SE TO S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. 
.FRI AND SAT...SE TO S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. 

$$
GMZ082-202130-
SW GULF S OF 25N W OF 90W
1030 AM CDT TUE MAR 20 2012

.THIS AFTERNOON...SE WINDS 20 TO 25 KT. SEAS 5 TO 8 FT BUILDING 
TO 10 FT N OF 20N. 
.TONIGHT THROUGH WED NIGHT...FROM 21N TO 25N W OF FRONT NW TO N 
WINDS 15 TO 20 KT INCREASING TO 30 KT EARLY WED. SEAS 4 TO 7 FT 
BUILDING TO 10 FT. S OF 21N W OF FRONT NW WINDS 20 TO 30 KT 
DIMINISHING TO 15 KT WED NIGHT. SEAS 5 TO 8 FT. E OF FRONT SE 
WINDS 20 TO 25 KT DIMINISHING TO 10 KT WED NIGHT. SEAS 7 TO 10 
FT EXCEPT 6 FT S OF 21N. SCATTERED TSTMS ALONG FRONT.
.THU...W OF DIFFUSING FRONT NW TO N WINDS 10 KT. SEAS 4 TO 6 FT. 
E OF FRONT SE WINDS 10 TO 15 KT. SEAS 5 TO 6 FT.
.FRI AND SAT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. 

$$
GMZ084-202130-
MIDDLE GULF BETWEEN 85W AND 90W 
1030 AM CDT TUE MAR 20 2012

.THIS AFTERNOON AND TONIGHT...SE WINDS 20 TO 25 KT. SEAS 8 TO 12 
FT. SCATTERED TSTMS N OF 25N TONIGHT.
.WED AND WED NIGHT...SE WINDS 20 TO 25 KT DIMINISHING TO 15 KT 
LATE WED NIGHT. SEAS 8 TO 11 FT SUBSIDING TO 6 FT LATE WED NIGHT.
.THU...E TO SE WINDS 15 TO 20 KT DIMINISHING TO 10 KT. 
SEAS 5 TO 8 FT SUBSIDING TO 4 FT.
.FRI...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
.SAT...N OF 25N SE TO S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
S OF 25N E TO SE WINDS 10 KT. SEAS 3 TO 4 FT. 

$$
GMZ086-202130-
E GULF BETWEEN 81W AND 85W 
1030 AM CDT TUE MAR 20 2012

.THIS AFTERNOON THROUGH THU...E TO SE WINDS 15 TO 20 KT. 
SEAS 3 TO 5 FT N OF 27N AND TO 7 FT S OF 27N.
.FRI...N OF 25N NE TO E WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
S OF 25N NE WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.
.SAT...N OF 25N SE TO S WINDS 5 TO 10 KT. SEAS 1 TO 2 FT.
S OF 25N E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. 

$$

EFFECTIVE APRIL 03 2012 AT 1800 UTC THE OFFSHORE WATERS FORECAST 
ZONES CHANGE FOR THE CARIBBEAN AND SW N ATLANTIC AND THE GULF OF 
MEXICO. FOR DETAILS SEE WWW.NHC.NOAA.GOV/EXPERIMENTAL/OFFSHORES/

EFFECTIVE APRIL 03 2012 NEW RADIOFAX SCHEDULE FOR NEW ORLEANS 
CHARTS AND TEXT PRODUCTS. ON AIR SCHEDULE LISTING OF THE NEW 
SCHEDULE BEGINS ON OR ABOUT MAR 28 2012.

FORECAST COVERAGE FOR NEW ORLEANS...MIAMI AND SAN JUAN NAVTEX 
CHANGES APR 03 2012. FOR DETAILS SEE NGA OR USCG NOTICES TO 
MARINERS OR WWW.WEATHER.GOV/MARINE

FORECASTER WALLY BARNES