000
FZNT32 KNHC 271516
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1116 AM EDT MON AUG 27 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 26.1N85.3W AT 
1500 UTC. MAXIMUM SUSTAINED WINDS 55 KT GUST TO 65W MOVING NW 12 
KT WITH MINIMUM CENTRAL PRES 988 MB. ISAAC IS IS FORECAST TO 
INTENSIFY TO A HURRICANE THIS EVENING NEAR 27.1N 86.8W. ISAAC 
WILL CONTINUE TO MOVE NW TO 28.3N 88.4W TUE AND NEAR 29.3N 89.6W 
TUE EVENING AND MOVE INLAND ALONG THE LOUISIANA COAST WED.

GULF OF MEXICO N OF 26N W OF 87W

...HURRICANE WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS. NE WINDS 30 TO
40 KT. SEAS 12 FT...BUILDING TO 17 FT IN THE AFTERNOON. 
.TONIGHT...HURRICANE CONDITIONS EXPECTED. N WINDS 55 TO 65 KT...
BECOMING N TO NW 60 TO 70 KT AFTER MIDNIGHT. SEAS 17 TO 27 FT. 
.TUE...HURRICANE CONDITIONS EXPECTED. NW WINDS 60 TO 70 KT...
BECOMING W TO NW 40 TO 50 KT IN THE AFTERNOON. SEAS 17 TO 27 FT.
.TUE NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W TO NW WINDS
35 TO 45 KT...BECOMING W 30 TO 40 KT AFTER MIDNIGHT. SEAS 15 TO
20 FT. 
.WED THROUGH THU...TROPICAL STORM CONDITIONS POSSIBLE. SW WINDS
20 TO 30 KT. SEAS 9 TO 14 FT. 
.THU NIGHT AND FRI...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 

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

...TROPICAL STORM WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS EXPECTED. NE WINDS
30 TO 40 KT. SEAS 9 TO 14 FT. 
.TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. N WINDS 25 TO
35 KT...BECOMING NW 20 TO 30 KT AFTER MIDNIGHT. SEAS 10 TO
15 FT. 
.TUE...W TO NW WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. 
.TUE NIGHT THROUGH THU...S TO SW WINDS 15 TO 25 KT. SEAS 6 TO
9 FT. 
.THU NIGHT AND FRI...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 

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

.THIS AFTERNOON...NE WINDS 10 TO 20 KT...EXCEPT N TO NE LESS
THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ. SEAS 3 TO 5 FT. 
.TONIGHT...N TO NW WINDS 10 TO 15 KT. WITHIN 60 NM OF COAST OF
VERACRUZ...N TO NE WINDS LESS THAN 10 KT IN THE EVENING...
BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. 
.TUE...W TO NW WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN
10 KT IN THE AFTERNOON. WITHIN 60 NM OF COAST OF VERACRUZ...N TO
NW WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. 
.TUE NIGHT AND WED...SW WINDS 10 TO 15 KT...EXCEPT S TO SW LESS
THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ. SEAS 4 TO 6 FT. 
.WED NIGHT THROUGH FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 

GULF OF MEXICO E OF 87W

...HURRICANE WARNING...

.THIS AFTERNOON...TROPICAL STORM CONDITIONS. NW WINDS 45 TO
55 KT. SEAS 18 FT...BUILDING TO 21 FT IN THE AFTERNOON. 
.TONIGHT...HURRICANE CONDITIONS EXPECTED. S TO SW WINDS 55 TO
65 KT...BECOMING S 40 TO 50 KT AFTER MIDNIGHT. SEAS 17 TO 27 FT.
.TUE...TROPICAL STORM CONDITIONS EXPECTED. S TO SW WINDS 35 TO
45 KT...DIMINISHING TO 30 TO 40 KT IN THE AFTERNOON. SEAS 16 TO
26 FT. 
.TUE NIGHT THROUGH WED NIGHT...TROPICAL STORM CONDITIONS
EXPECTED. S WINDS 25 TO 35 KT. SEAS 11 TO 16 FT. 
.THU THROUGH FRI...SE WINDS 10 TO 20 KT. SEAS 6 TO 9 FT.