000
FZNT32 KNHC 180915
OFFN21

MARINE WEATHER HF VOICE BROADCAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
515 AM EDT SAT AUG 18 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 HELENE NEAR 21.6N 97.0W AT 18/0900 UTC
MOVING NW AT 6 KT WITH MAXIMUM SUSTAINED WINDS 35 KT GUSTS TO 45
KT. HELENE IS FORECAST TO MOVE TO 21.9N 97.6W NEAR THE COAST THIS
AFTERNOON...THEN INLAND TO 22.4N 98.1W SAT NIGHT...THEN WILL
BECOME A REMNANT LOW OVER MEXICO THEREAFTER. OTHERWISE A RIDGE
ALONG 27N/28N WILL PERSIST THROUGH THE WEEKEND. A COLD FRONT MAY
ENTER THE NW GULF MON...SLOWLY DRIFTING E ACROSS THE NORTHERN
WATERS THROUGH WED.


GULF OF MEXICO N OF 26N W OF 87W

.TODAY...SW TO W WINDS LESS THAN 10 KT...SHIFTING TO S TO SW IN
THE AFTERNOON. SEAS 2 TO 4 FT.
.TONIGHT...S TO SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
.SUN AND SUN NIGHT...S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 
.MON AND MON NIGHT...S TO SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. 
.TUE THROUGH WED...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. 

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

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS POSSIBLE. E WINDS 10 TO
20 KT...BECOMING SE TO S 25 TO 35 KT IN THE AFTERNOON. SEAS 4 TO
6 FT. 
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE WINDS 25 TO
35 KT. SEAS 4 TO 6 FT. 
.SUN THROUGH WED...SE TO S WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. 

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

...TROPICAL STORM WARNING...

.TODAY...TROPICAL STORM CONDITIONS POSSIBLE. WITHIN 60 NM OF
COAST OF VERACRUZ...SW WINDS 25 TO 35 KT. ELSEWHERE...E WINDS 15
TO 25 KT...BECOMING SE TO S 10 TO 20 KT IN THE AFTERNOON. SEAS 3
TO 5 FT...EXCEPT 8 TO 12 FT WITHIN 60 NM OF COAST OF VERACRUZ.
.TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. WITHIN 60 NM OF
COAST OF VERACRUZ...E TO SE WINDS 25 TO 35 KT...BECOMING SE 10
TO 20 KT AFTER MIDNIGHT. ELSEWHERE...E TO SE WINDS 10 TO 15 KT.
SEAS 3 TO 5 FT...EXCEPT 8 TO 10 FT WITHIN 60 NM OF COAST OF
VERACRUZ.
.SUN THROUGH TUE...S WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 
.TUE NIGHT AND WED...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. 

GULF OF MEXICO E OF 87W

.TODAY...N TO NE WINDS LESS THAN 10 KT...BECOMING SW IN THE
AFTERNOON. SEAS 2 TO 3 FT. 
.TONIGHT...S WINDS LESS THAN 10 KT. SEAS 2 FT. 
.SUN THROUGH WED...S WINDS 10 TO 20 KT. SEAS 2 TO 4 FT.