000
FZNT32 KNHC 280918
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
515 AM EDT TUE AUG 28 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....TROPICAL STORM ISAAC CENTERED NEAR 27.5N 88.1W 977 
MB AT 0900 UTC MOVING NW AT 10 KT WITH MAXIMUM SUSTAINED WINDS 
60 KT GUST TO 75 KT. ISAAC IS IS FORECAST TO INTENSIFY TO A 
HURRICANE THIS AFTERNOON NEAR 28.5N 89.1W...AND CONTINUE TO MOVE 
NW TO JUST INLAND THE LOUISIANA COAST NEAR 29.5N 90.1W LATE 
TONIGHT...AND FURTHER INLAND WHILE WEAKENING TO A TROPICAL STORM 
NEAR 30.3N 90.9W WED AFTERNOON. WINDS AND SEAS IN THE WAKE OF 
ISAAC WILL SLOWLY SUBSIDE THROUGH FRI AS HIGH PRES BUILDS SW 
ACROSS THE NORTHERN AND EASTERN GULF WATERS.

GULF OF MEXICO N OF 26N W OF 87W

...HURRICANE WARNING...

.TODAY...HURRICANE CONDITIONS EXPECTED. NW WINDS 60 TO 70 KT...
BECOMING W TO NW 65 TO 75 KT IN THE AFTERNOON. SEAS 16 TO 26 FT.
.TONIGHT AND WED...TROPICAL STORM CONDITIONS EXPECTED WITH 
HURRICANE CONDITIONS POSSIBLE. SW TO W WINDS 40 TO 50 KT. SEAS 
14 TO 19 FT. 
.WED NIGHT AND THU...SW WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. 
.THU NIGHT THROUGH SAT...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 

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

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS POSSIBLE. W TO NW WINDS 20 TO
30 KT. SEAS 9 TO 14 FT. 
.TONIGHT THROUGH SAT...E TO SE WINDS 15 TO 25 KT. SEAS 6 TO 
9 FT. 

SW GULF OF MEXICO S OF 22N W OF 87W
 
.TODAY...W TO NW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. 
.TONIGHT AND WED...S TO SW WINDS 10 TO 15 KT...EXCEPT SE TO 
S LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ. SEAS 4 TO 6 
FT. 
.WED NIGHT THROUGH SAT...E TO SE WINDS 10 TO 20 KT. SEAS 3 TO
5 FT. 

GULF OF MEXICO E OF 87W

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS EXPECTED. S TO SW WINDS 40 TO
50 KT...DIMINISHING TO 35 TO 45 KT IN THE AFTERNOON. SEAS 16 TO
26 FT. 
.TONIGHT THROUGH THU...TROPICAL STORM CONDITIONS EXPECTED. 
SE TO S WINDS 30 TO 40 KT. SEAS 10 TO 15 FT. 
.THU NIGHT THROUGH SAT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.