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FZNT32 KNHC 210243
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1043 PM EDT FRI APR 20 2012

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 ALONG WITH A LINE OF THUNDERSTORMS
EXTENDS FROM SE LOUISIANA TO S TEXAS...AND RACE TO A POSITION
FROM THE MISSISSIPPI DELTA TO THE BAY OF CAMPECHE EARLY THIS
MORNING...AND REACH FROM THE FLORIDA BIG BEND TO YUCATAN
PENINSULA BY EARLY SUN WITH LOW PRES DEVELOPING ALONG THE FRONT.
THE LOW WILL MOVE E ACROSS FLORIDA SUN DRAGGING THE FRONT THROUGH
THE FLORIDA STRAITS LATE SUN. A REINFORCING SURGE OF NORTH FLOW
WILL PUSH INTO THE NORTHERN GULF MON THEN DIMINISH TUE AS HIGH
PRES BUILDS OVER THE N CENTRAL GULF...ALLOWING SE RETURN FLOW
WILL INCREASE OVER THE NW GULF WED.


GULF OF MEXICO N OF 26N W OF 87W

.OVERNIGHT...W OF FRONT NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. E
OF FRONT NE TO E WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SAT...NW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. 
.SAT NIGHT THROUGH SUN NIGHT...N TO NW WINDS 15 TO 25 KT. SEAS
6 TO 9 FT. 
.MON THROUGH WED...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 

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

.OVERNIGHT...VARIABLE WINDS LESS THAN 10 KT...BECOMING N 15 TO 20
KT LATE. SEAS 2 TO 4 FT BUILDING TO 3 TO 5 FT.
.SAT...NW WINDS 10 TO 20 KT...INCREASING TO 15 TO 25 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. 
.SAT NIGHT THROUGH SUN NIGHT...N WINDS 15 TO 25 KT. SEAS 7 TO
10 FT. 
.MON THROUGH WED...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 

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

.OVERNIGHT...NE WINDS LESS THAN 10 KT...INCREASING TO 10 TO
15 KT AFTER MIDNIGHT.  
.SAT...N TO NW WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT IN THE
AFTERNOON. SEAS 2 TO 4 FT. 
.SAT NIGHT THROUGH SUN NIGHT...N WINDS 10 TO 20 KT. SEAS 5 TO
7 FT. 
.MON THROUGH WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 

GULF OF MEXICO E OF 87W

.OVERNIGHT...SE TO S WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. 
.SAT...S TO SW WINDS 10 TO 15 KT...BECOMING SW 10 TO 20 KT IN
THE AFTERNOON. SEAS 2 TO 4 FT. 
.SAT NIGHT...W WINDS 10 TO 20 KT...INCREASING TO 15 TO 25 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. 
.SUN AND SUN NIGHT...N TO NW WINDS 15 TO 25 KT. SEAS 8 TO 11 FT.
.MON THROUGH WED...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.