000
FZNT32 KNHC 240918
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
518 AM EDT FRI AUG 24 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 SURFACE RIDGE AXIS EXTENDS FROM 1019 MB HIGH PRES
OVER THE NE GULF SW TO THE WESTERN GULF. THE RIDGE IS EXPECTED
TO SLIDE NORTHWARD AS TROPICAL STORM ISAAC...CURRENTLY WELL SE
OF THE GULF...IS FORECAST TO MOVE NW ACROSS THE STRAITS OF
FLORIDA LATE SUN THEN ACROSS THE WESTERN FLORIDA KEYS SUN
EVENING AND INTO THE SE GULF...WHERE IT IS EXPECTED TO INTENSIFY
TO HURRICANE FORCE...REACHING NEAR 28.0N 86.0W LATE MON NIGHT
...AND CONTINUE N NW TUE.


GULF OF MEXICO N OF 26N W OF 87W

.TODAY...SE TO S WINDS 10 TO 20 KT...BECOMING SE 10 TO 15 KT IN
THE AFTERNOON. SEAS 3 TO 5 FT. 
.TONIGHT...E TO SE WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT. 
.SAT THROUGH MON...NE WINDS 20 TO 30 KT. SEAS 5 TO 7 FT. 
.MON NIGHT AND TUE...HURRICANE CONDITIONS POSSIBLE. N TO NW
WINDS 65 TO 75 KT. SEAS 9 TO 14 FT. 

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

.TODAY...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.TONIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 
.SAT THROUGH SUN NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO
6 FT. 
.MON THROUGH TUE...NW WINDS 20 TO 30 KT. SEAS 7 TO 10 FT. 

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

.TODAY...E WINDS 10 TO 15 KT. WITHIN 60 NM OF COAST OF
VERACRUZ...NE TO E WINDS 10 TO 15 KT...BECOMING E IN THE
AFTERNOON. SEAS 3 TO 5 FT. 
.TONIGHT...E WINDS 10 TO 20 KT. WITHIN 60 NM OF COAST OF
VERACRUZ...E WINDS LESS THAN 10 KT...BECOMING E TO SE AFTER
MIDNIGHT. SEAS 3 TO 5 FT. 
.SAT THROUGH SUN NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 
.MON THROUGH TUE...NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 

GULF OF MEXICO E OF 87W

.TODAY...NE TO E WINDS 15 TO 25 KT...DIMINISHING TO 10 TO 20 KT
IN THE AFTERNOON. SEAS 4 TO 6 FT. 
.TONIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.SAT...NE TO E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.SAT NIGHT AND SUN...TROPICAL STORM CONDITIONS POSSIBLE. NE
WINDS 40 TO 50 KT. SEAS 6 TO 8 FT. 
.SUN NIGHT AND MON...HURRICANE CONDITIONS POSSIBLE. NW WINDS
55 TO 65 KT. SEAS 9 TO 14 FT. 
.MON NIGHT AND TUE...HURRICANE CONDITIONS POSSIBLE.