000
FZNT32 KNHC 232117
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
517 PM EDT THU AUG 23 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 HIGH PRES OVER 
NORTHERN FLORIDA 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 AND APPROACH SW FLORIDA AS A HURRICANE MON
THEN MOVE N-NW ACROSS THE E GULF TUE.

GULF OF MEXICO N OF 26N W OF 87W

.TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.FRI NIGHT THROUGH MON...NE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. 
.MON NIGHT...NE WINDS 15 TO 25 KT...BECOMING N 20 TO 30 KT AFTER
MIDNIGHT. SEAS 8 TO 11 FT. 
.TUE...N TO NW WINDS 25 TO 35 KT...DIMINISHING TO 20 TO 30 KT IN
THE AFTERNOON. SEAS 12 TO 17 FT. 

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

.TONIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.FRI...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.FRI NIGHT THROUGH SUN NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS
4 TO 6 FT. 
.MON THROUGH TUE...N TO NW WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. 

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

.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. 
.FRI...E WINDS 10 TO 15 KT. WITHIN 60 NM OF COAST OF VERACRUZ...
E WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE
WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. 
.FRI NIGHT THROUGH SUN NIGHT...NE TO E WINDS 10 TO 15 KT...
EXCEPT NE LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ.
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

.TONIGHT...E WINDS 10 TO 15 KT...BECOMING NE TO E 10 TO 20 KT
AFTER MIDNIGHT. SEAS 3 TO 5 FT. 
.FRI...NE TO E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.FRI NIGHT THROUGH SAT NIGHT...NE TO E WINDS 15 TO 25 KT. SEAS
4 TO 6 FT. 
.SUN AND SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE
WINDS 45 TO 55 KT. SEAS 7 TO 10 FT. 
.MON THROUGH TUE...HURRICANE CONDITIONS POSSIBLE. W WINDS 65 TO
75 KT. SEAS 11 TO 16 FT.