000 FZNT32 KNHC 192118 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 518 PM EDT SAT OCT 19 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...A COLD FRONT EXTENDS FROM THE FLORIDA BIG BEND REGION SW TO THE MEXICAN COAST JUST S OF TAMPICO LATE THIS LATE AND HAS BEGUN TO SHIFT SLOWLY SE. THE FRONT IS BEING REINFORCED BY A SECOND FRONT THAT HAS MOVED OFF THE TEXAS COAST TODAY AND EXTENDED FROM SE LOUISIANA TO NEAR 25N98W LATE THIS LATE... AND WILL SHIFT SE AND GRADUALLY MERGE WITH LEADING FRONT BY SUN LATE...REACHING FROM NEAR TARPON SPRINGS FLORIDA TO BROWNSVILLE TEXAS BEFORE STALLING AND WEAKENING THERE INTO MON. A THIRD COLD FRONT WILL MOVE INTO THE NORTHERN GULF WATERS TUE AND SHIFT SE...REACHING FROM SW FLORIDA TO 21N95W TO 18N94W BY LATE WED. STRONG TO NEAR GALE FORCE WINDS WILL FOLLOW THIS THIRD FRONT FAR SW GULF WED. GULF OF MEXICO N OF 26N W OF 87W .TONIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN...NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SUN NIGHT THROUGH MON NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .TUE THROUGH THU...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT THROUGH MON NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .TUE THROUGH THU...NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. SW GULF OF MEXICO S OF 22N W OF 87W ...GALE CONDITIONS EXPECTED... .TONIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...N WINDS LESS THAN 10 KT. ELSEWHERE...NE WINDS LESS THAN 10 KT. INCREASING TO 10 TO 15 KT LATE. SEAS 2 FT. .SUN...WITHIN 60 NM OF COAST OF VERACRUZ...N WINDS LESS THAN 10 KT. ELSEWHERE...E WINDS 10 TO 15 KT. DIMINISHING TO LESS THAN 10 KT LATE. SEAS 2 TO 3 FT. .SUN NIGHT THROUGH MON NIGHT...E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND E 10 TO 15 KT ELSEWHERE. SEAS 2 TO 3 FT. .TUE THROUGH THU...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. GULF OF MEXICO E OF 87W .TONIGHT...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS... BECOMING 2 FT LATE. .SUN...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT. .SUN NIGHT THROUGH MON NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT. .TUE THROUGH THU...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.