000 FZNT32 KNHC 210828 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 428 AM EDT TUE APR 21 2015 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...THE N PORTION OF A WEAK COLD FRONT WILL PASS E THROUGH THE NE GULF WATERS EARLY TODAY WHILE THE SOUTHERN PORTION DISSIPATES ACROSS THE CENTRAL WATERS. WEAK HIGH PRESSURE WILL BUILD WAKE OF THE FRONT AND PREVAIL THROUGH SAT NIGHT. A SURFACE TROUGH WILL SHIFT W OFF THE YUCATAN PENINSULA EACH NIGHT...MOVE W ACROSS THE SW WATERS DURING THE EARLY MORNING HOURS AND DISSIPATE BY MIDDAY. GULF OF MEXICO N OF 26N W OF 87W .TODAY...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED NIGHT...S WINDS 10 KT. SEAS 3 TO 4 FT. .THU...S WINDS 10 KT. SEAS 3 FT. .THU NIGHT...S WINDS 10 KT. SEAS 3 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI NIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT NIGHT...SW WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .WED NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .THU...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT NIGHT...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...VARIABLE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND E 10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS. .TONIGHT...E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND E 10 TO 15 KT ELSEWHERE. SEAS 2 FT OR LESS. .WED...SE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND SE 10 TO 20 KT ELSEWHERE. SEAS 3 TO 4 FT. .WED NIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...E WINDS LESS THAN 10 KT. ELSEWHERE...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT LATE. SEAS 3 FT EARLY...BECOMING 2 FT OR LESS. .THU...SE WINDS 10 TO 20 KT. SEAS 3 FT. .THU NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. .FRI...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. .SAT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. GULF OF MEXICO E OF 87W .TODAY...E WINDS LESS THAN 10 KT. SEAS 3 FT EARLY... BECOMING 2 FT OR LESS. .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .WED...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .WED NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .THU...S WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .THU NIGHT...SW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .SAT...S WINDS 10 TO 15 KT. SEAS 3 FT. .SAT NIGHT...SW WINDS 10 TO 15 KT. SEAS 3 FT.