000
FZNT32 KNHC 251518
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1118 AM EDT SAT AUG 25 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 JUST NORTH OF THE GULF WATERS.
AT 11 AM EDT TROPICAL STORM ISAAC WAS LOCATED NEAR 20.1N 74.6W
WITH MEAN SEA LEVEL PRESSURE OF 998 MB. MAXIMUM SUSTAINED WINDS
ARE 50 KT GUSTS 60 KT. ISAAC IS MOVING NW AT 15 KT AND IS
FORECAST TO MOVE ON A WNW TRACK AND REACH HURRICANE INTENSITY SUN
NIGHT NEAR 24.7N 81.3W AT 65 KT GUSTS TO 80 KT...THEN MOVE TO
NEAR 25.9N 83.1W AT 70 KT GUSTS TO 90 KT BY MON MORNING...TO NEAR
28.5N 85.5W AT 85 KT GUSTS 105 KT BY TUE MORNING...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 TO 6 FT. 
.TONIGHT...E WINDS 10 TO 20 KT...BECOMING E TO SE 15 TO 20 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. 
.SUN AND SUN NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 9 FT. 
.MON...TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 15 TO
25 KT...BECOMING N TO NE 20 TO 30 KT IN THE AFTERNOON. SEAS
9 FT...BUILDING TO 12 FT IN THE AFTERNOON. 
.MON NIGHT AND TUE...TROPICAL STORM CONDITIONS POSSIBLE. N TO NW
WINDS 35 TO 45 KT. SEAS 14 TO 19 FT. 
.TUE NIGHT AND WED...TROPICAL STORM CONDITIONS POSSIBLE. 

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

.THIS AFTERNOON...E TO SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.TONIGHT...E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. 
.SUN AND SUN NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 8 TO 11 FT.
.MON THROUGH TUE...NW WINDS 15 TO 25 KT. SEAS 8 TO 13 FT. 
.TUE NIGHT AND WED...W WINDS 10 TO 20 KT. SEAS 6 TO 9 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 TO 5 FT. 
.TONIGHT...NE WINDS 10 TO 20 KT...BECOMING NE TO E 10 TO 15 KT
AFTER MIDNIGHT. WITHIN 60 NM OF COAST OF VERACRUZ...E WINDS LESS
THAN 10 KT. SEAS 3 TO 5 FT. 
.SUN AND SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.MON THROUGH TUE...NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. 
.TUE NIGHT AND WED...W WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. 

GULF OF MEXICO E OF 87W

...TROPICAL STORM WARNING...

.THIS AFTERNOON...NE WINDS 20 TO 30 KT. SEAS 6 FT...BUILDING TO
9 FT IN THE AFTERNOON. 
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE TO E WINDS
15 TO 25 KT...INCREASING TO 25 TO 35 KT AFTER MIDNIGHT. SEAS
10 TO 15 FT. 
.SUN AND SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N WINDS
50 TO 60 KT. SEAS 9 TO 14 FT. 
.MON...HURRICANE CONDITIONS POSSIBLE. N TO NW WINDS 65 TO 75 KT.
SEAS 15 FT...BUILDING TO 19 FT IN THE AFTERNOON. 
.MON NIGHT AND TUE...HURRICANE CONDITIONS POSSIBLE. SW WINDS
70 TO 85 KT. SEAS 17 TO 27 FT. 
.TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.WED...TROPICAL STORM CONDITIONS POSSIBLE.