000
FZNT32 KNHC 041456
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1056 AM EDT THU APR 4 2013

MARINE WEATHER HF VOICE BROADCAST 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.

SYNOPSIS FOR THE GULF OF MEXICO

.SYNOPSIS...A COLD FRONT EXTENDS FROM A 1012 MB LOW NEAR SW TO
26N91W TO TAMPICO MEXICO. THE LOW WILL MOVE INLAND THE FLORIDA
PANHANDLE THIS AFTERNOON WITH THE COLD FRONT REACHING FROM NEAR
TAMPA FLORIDA TO NORTHERN YUCATAN PENINSULA LATE TONIGHT...FROM
SW FLORIDA TO YUCATAN CHANNEL EARLY FRI...THEN EXIT THE REGION
FRI LATE. HIGH PRES WILL BUILD ACROSS THE AREA IN THE WAKE OF THE
FRONT. HIGH PRES WILL THEN SHIFT EASTWARD SAT AND SUN AS LOW PRES
DEEPENS OVER THE CENTRAL UNITED STATES ALLOWING FOR SOUTHERLY
RETURN FLOW TO INCREASE OVER THE WESTERN GULF THROUGH MON.

GULF OF MEXICO N OF 26N W OF 87W

.THIS AFTERNOON...NW WINDS 10 TO 20 KT...INCREASING TO 15 TO
25 KT LATE. SEAS 5 TO 7 FT. 
.TONIGHT...NW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. 
.FRI...NW WINDS 15 TO 25 KT...BECOMING N 10 TO 20 KT 
LATE. SEAS 5 TO 7 FT. 
.FRI NIGHT...N WINDS 10 TO 20 KT...SHIFTING TO NE 10 TO 15 KT
LATE. SEAS 4 TO 6 FT. 
.SAT THROUGH MON...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 

GULF OF MEXICO FROM 22N TO 26N W OF 87W

.THIS AFTERNOON...N WINDS 10 TO 20 KT...BECOMING NW 15 TO 25 KT
 LATE. SEAS 5 TO 7 FT. 
.TONIGHT...N WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. 
.FRI...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.FRI NIGHT...N WINDS 10 TO 20 KT...SHIFTING TO NE 10 TO 15 KT
LATE. SEAS 4 TO 6 FT. 
.SAT THROUGH MON...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 

SW GULF OF MEXICO S OF 22N W OF 87W

.THIS AFTERNOON...NW WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT
LATE. SEAS 3 TO 5 FT. 
.TONIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.FRI...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.FRI NIGHT...E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF
VERACRUZ...AND NE 10 TO 15 KT ELSEWHERE. SEAS 3 TO 5 FT. 
.SAT THROUGH MON...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 

GULF OF MEXICO E OF 87W

.THIS AFTERNOON...S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.TONIGHT...SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.FRI...NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.FRI NIGHT...N WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. 
.SAT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.SUN THROUGH MON...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.