000 FZNT32 KNHC 040209 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1009 PM EDT WED JUL 3 2013 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 ELONGATED TROUGH EXTENDS FROM OFFSHORE OF THE MOUTH OF MISSISSIPPI RIVER SW TO THE W COAST OF YUCATAN PENINSULA THIS EVENING AND IS EXPECTED TO DRIFT W-NW TONIGHT AND THU AND EXTEND FROM CENTRAL BAY OF CAMPECHE TO S LOUISIANA. FRESH SOUTHERLY WIND FLOW AND VERY ACTIVE WEATHER WILL CONTINUE E OF THE TROUGH THROUGH THU. TROUGH TO THEN SHIFT NW INTO W GULF FRI AND MOVE TO ALONG OR INLAND OF THE COAST OF MEXICO SAT. WEAK LOW PRES MAY FORM ALONG THE TROUGH BEFORE IT MOVES INLAND. GULF OF MEXICO N OF 26N W OF 87W .OVERNIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 TO 4 FT. .THU...S WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .THU NIGHT THROUGH FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT THROUGH MON...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .OVERNIGHT...E WINDS LESS THAN 10 KT...BECOMING SE LATE. SEAS 3 TO 5 FT. .THU...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU NIGHT THROUGH FRI NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT THROUGH MON...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .OVERNIGHT...E WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .THU...VARIABLE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND E 10 TO 15 KT ELSEWHERE. SEAS 2 TO 3 FT. .THU NIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...SE WINDS LESS THAN 10 KT. ELSEWHERE...E WINDS LESS THAN 10 KT...BECOMING SE LATE. SEAS 2 TO 3 FT. .FRI...VARIABLE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND S 10 TO 15 KT ELSEWHERE. SEAS 2 TO 3 FT. .FRI NIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...SE WINDS LESS THAN 10 KT. ELSEWHERE...E WINDS LESS THAN 10 KT...BECOMING SE LATE. SEAS 2 TO 3 FT. .SAT THROUGH MON...E WINDS 10 TO 20 KT. SEAS 2 TO 4 FT. GULF OF MEXICO E OF 87W .OVERNIGHT...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .THU...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .THU NIGHT THROUGH FRI NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT THROUGH MON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.