000
FZNT32 KNHC 281531
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1131 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 28.1N 88.5W 976 MB
AT 1500 UTC MOVING NW AT 8 KT WITH MAXIMUM SUSTAINED WINDS 60 
KT GUST TO 75 KT. ISAAC IS IS FORECAST TO INTENSIFY TO A 
HURRICANE THIS EVENING NEAR 28.8N 89.4W...AND CONTINUE TO MOVE 
NW TO JUST INLAND THE LOUISIANA COAST AS A TROPICAL STORM NEAR 
29.8N 90.3W WED FURTHER INLAND TO 30.7N 91.0W WED EVENING. WINDS 
AND SEAS IN THE WAKE OF ISAAC WILL SLOWLY SUBSIDE THROUGH FRI AS 
HIGH PRES BUILDS SW ACROSS THE NORTHERN AND EASTERN GULF.

GULF OF MEXICO N OF 26N W OF 87W

...TROPICAL STORM WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS. N TO NW WINDS 50 TO
60 KT. SEAS 15 TO 25 FT. 
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. W WINDS 40 TO
50 KT...BECOMING SW TO W 30 TO 40 KT AFTER MIDNIGHT. SEAS 17 TO
22 FT. 
.WED AND WED NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SW
WINDS 25 TO 35 KT. SEAS 11 TO 16 FT. 
.THU...SW WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. 
.THU NIGHT THROUGH SAT...SE WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. 

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

.THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. N TO NW
WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. 
.TONIGHT...SW TO W WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. 
.WED THROUGH SAT...E TO SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. 

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

.THIS AFTERNOON...N WINDS 10 TO 15 KT...EXCEPT N TO NW LESS THAN
10 KT WITHIN 60 NM OF COAST OF VERACRUZ. SEAS 4 TO 6 FT. 
.TONIGHT...N TO NW WINDS LESS THAN 10 KT. S AFTER MIDNIGHT.
WITHIN 60 NM OF COAST OF VERACRUZ...N TO NE WINDS LESS THAN
10 KT. SEAS 4 TO 6 FT. 
.WED...S TO SW WINDS 10 TO 15 KT...EXCEPT VARIABLE WINDS 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...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS. S TO SW WINDS 35 TO
45 KT. SEAS 15 TO 25 FT. 
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. S WINDS 25 TO
35 KT. SEAS 18 FT...SUBSIDING TO 15 FT AFTER MIDNIGHT. 
.WED AND WED NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE TO S
WINDS 20 TO 30 KT. SEAS 10 TO 15 FT. 
.THU THROUGH SAT...E WINDS 15 TO 25 KT. SEAS 6 TO 9 FT.