000
FZNT32 KNHC 250315
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1115 PM 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...AN E TO W RIDGE EXTENDS ACROSS THE NORTHERN GULF.
THE PRES GRADIENT BETWEEN THE RIDGE AND TROPICAL STORM ISAAC IN
THE NORTH CENTRAL CARIBBEAN WILL TIGHTEN THIS WEEKEND. TROPICAL
STORM ISAAC IS FORECAST TO MOVE INTO THE STRAITS OF FLORIDA NEAR
24.9N 81.6W AT 8 PM SUN...INCREASE TO A HURRICANE AT 70 KT GUSTS
80 KT NEAR 27.1N 84.6W AT 8 PM MON...INCREASE TO 80 KT GUSTS 100
KT NEAR 30.N 86.5W AT 8 PM TUE AND MOVE INLAND THE FLORIDA
PANHANDLE LATE TUE NIGHT INTO WED.


GULF OF MEXICO N OF 26N W OF 87W

.THIS AFTERNOON...SE WINDS 10 TO 15 KT. SEAS 4 FT. 
.TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.SAT THROUGH SUN NIGHT...NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. 
.MON THROUGH TUE...TROPICAL STORM CONDITIONS POSSIBLE. N TO NW
WINDS 45 TO 55 KT. SEAS 9 TO 14 FT. 

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

.THIS AFTERNOON...E TO SE WINDS 10 TO 20 KT. SEAS 5 FT. 
.TONIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.SAT THROUGH TUE...N TO NW WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. 

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

.THIS AFTERNOON...E WINDS 10 TO 15 KT...EXCEPT E TO SE LESS THAN
10 KT WITHIN 60 NM OF COAST OF VERACRUZ. SEAS 3 FT. 
.TONIGHT...E WINDS 10 TO 15 KT...EXCEPT E TO SE LESS THAN 10 KT
WITHIN 60 NM OF COAST OF VERACRUZ. SEAS 3 TO 5 FT. 
.SAT THROUGH TUE...N TO NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 

GULF OF MEXICO E OF 87W

...TROPICAL STORM WARNING...

.THIS AFTERNOON...NE WINDS 20 TO 30 KT. SEAS 5 FT. 
.TONIGHT...NE WINDS 20 TO 30 KT. SEAS 5 TO 7 FT. 
.SAT...NE TO E WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. 
.SAT NIGHT AND SUN...TROPICAL STORM CONDITIONS EXPECTED. N TO NE
WINDS 35 TO 45 KT. SEAS 8 TO 11 FT. 
.SUN NIGHT AND MON...HURRICANE CONDITIONS POSSIBLE. NW WINDS
55 TO 70 KT. SEAS 15 TO 20 FT. 
.MON NIGHT AND TUE...HURRICANE CONDITIONS POSSIBLE.