000
FZNT32 KNHC 200818
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
418 AM EDT WED MAR 20 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 WARM FRONT EXTENDING FROM NEAR TAMPA BAY FLORIDA TO
DEVELOPING 1012 MB LOW PRES NEAR 27.5N 87.5W TO BROWNSVILLE TEXAS
WILL STALL...MERGING WITH A REINFORCING COLD FRONT. THE NEW FRONT
WILL EXTEND FROM 30N87W TO 28N92W TO 27N98W JUST AFTER SUNRISE...
THEN FROM 26N82W TO 23N90W TO 21N97W LATE TONIGHT...BECOMING
DIFFUSE OVER THE SE GULF JUST PRIOR TO ITS EXIT BY EARLY THU. HIGH
PRES BUILDS IN FROM THE N THU MOVING E INTO FRI WITH SOUTHERLY
RETURN FLOW GRADUALLY INCREASING THROUGH SAT. THE NEXT COLD FRONT
WILL IMPACT THE GULF WATERS LATE SAT THROUGH SUN. 

GULF OF MEXICO N OF 26N W OF 87W

.TODAY...NE WINDS 10 TO 15 KT...INCREASING TO 15 TO 25 KT 
BEHIND REINFORCING FRONT. SEAS 4 TO 6 FT...BUILDING TO 5 TO 8 FT
BEHIND REINFORCING FRONT.
.TONIGHT...NE WINDS 15 TO 25 KT...BECOMING 15 TO 20 KT LATE. SEAS
6 TO 8 FT.
.THU...E WINDS 15 TO 20 KT...DIMINISHING TO 10 TO 15 KT LATE.
SEAS 5 TO 8 FT.
.THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.FRI THROUGH SAT...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.SUN...N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 

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

.TODAY...E WINDS 10 TO 15 KT...BECOMING NE 20 TO 25 KT BEHIND
REINFORCING FRONT. SEAS 3 TO 5 FT...BUILDING TO 5 TO 8 FT BEHIND
REINFORCING FRONT.
.TONIGHT...NE WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.
.THU AND THU NIGHT...SE WINDS 10 TO 20 KT. SEAS 5 TO 8 FT.
.FRI THROUGH SAT...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.SUN...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 

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

.TODAY...SE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 
.TONIGHT...NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.THU AND THU NIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. 
.FRI THROUGH SAT...S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 
.SUN...E WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 

GULF OF MEXICO E OF 87W

.TODAY...VARIABLE WINDS 10 KT...BECOMING NW TO N 20 KT BEHIND
REINFORCING FRONT. SEAS 2 TO 3 FT...BUILDING TO 4 TO 7 FT BEHIND
REINFORCING FRONT.
.TONIGHT...NW WINDS 10 TO 20 KT...SHIFTING TO N LATE. SEAS 4 TO 7 
FT.
.THU...NE WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT LATE. SEAS 3
TO 5 FT.
.THU NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.FRI THROUGH SUN...SW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.