000
FZNT32 KNHC 250915
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
515 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 ACROSS THE NORTHERN GULF. 
THE PRES GRADIENT BETWEEN THE RIDGE AND TROPICAL STORM ISAAC IN 
THE NORTH CENTRAL CARIBBEAN WILL TIGHTEN THIS WEEKEND. TROPICAL 
STORM ISAAC CURRENTLY SE OF THE GULF IN THE CARIBBEAN SEA IS 
FORECAST TO MOVE ALONG THE N CENTRAL COAST OF CUBA TO NEAR
22.2N 77.6W BY LATE TONIGHT WHILE STRENGTHENING. IT IS FORECAST
TO INTENSIFY INTO A HURRICANE AT 65 KT GUSTS 80 KT NEAR 23.8N 
80.0W BY SUN AFTERNOON...NEAR 25.0N 81.8W AT 70 KT GUSTS TO
85 KT BY LATE SUN NIGHT...TO NEAR 27.7N 84.9W AT 80 KT GUSTS
100 KT BY LATE SUN NIGHT...TO NEAR 30.5N 86.0W AT 70 KT GUSTS
TO 85 KT LATE TUE NIGHT AND MOVE INLAND THE FLORIDA PANHANDLE 
LATE TUE NIGHT INTO WED.

GULF OF MEXICO N OF 26N W OF 87W

.TODAY...E TO SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.TONIGHT...E WINDS 10 TO 20 KT...BECOMING E TO SE 15 TO 20 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. 
.SUN THROUGH MON...N TO NE WINDS 20 TO 30 KT. SEAS 6 TO 9 FT. 
.MON NIGHT THROUGH TUE NIGHT...TROPICAL STORM CONDITIONS
POSSIBLE. W TO NW WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. 
.WED...W TO NW WINDS 10 TO 20 KT...BECOMING NW 15 TO 25 KT IN
THE AFTERNOON. SEAS 7 TO 10 FT. 

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

.TODAY...E TO SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 
.TONIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. 
.SUN AND SUN NIGHT...NE TO E WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. 
.MON THROUGH TUE...NW WINDS 15 TO 25 KT. SEAS 7 TO 10 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

.TODAY...E WINDS 10 TO 15 KT...EXCEPT E 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 3 TO 5 FT. 
.TUE NIGHT AND WED...W WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. 

GULF OF MEXICO E OF 87W

.TODAY...NE WINDS 20 TO 30 KT...BECOMING NE TO E 15 TO 25 KT IN
THE AFTERNOON. SEAS 6 TO 8 FT. 
.TONIGHT...NE TO E WINDS 15 TO 25 KT...INCREASING TO 20 TO 30 KT
AFTER MIDNIGHT. SEAS 7 TO 10 FT. 
.SUN...TROPICAL STORM CONDITIONS POSSIBLE. NE WINDS 30 TO
40 KT...BECOMING N TO NE 40 TO 50 KT IN THE AFTERNOON. SEAS 7 TO
10 FT. 
.SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N TO NE WINDS
35 TO 45 KT...BECOMING N 40 TO 50 KT AFTER MIDNIGHT. SEAS
11 FT...BUILDING TO 15 FT AFTER MIDNIGHT. 
.MON...HURRICANE CONDITIONS POSSIBLE. N TO NW WINDS 40 TO 50 KT.
SEAS 15 TO 20 FT. 
.MON NIGHT AND TUE...HURRICANE CONDITIONS POSSIBLE. 
.TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. 
.WED...TROPICAL STORM CONDITIONS POSSIBLE.