000 FZNT32 KNHC 170846 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 446 AM EDT FRI MAR 17 2017 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...HIGH PRES CENTERED OVER THE NE GULF WILL SHIFT W OVER THE N CENTRAL GULF ON SAT ALLOWING A COLD FRONT TO PASS SE ACROSS THE NE GULF WATERS. THE HIGH WILL SHIFT E ALONG 28N ON MON TO 28N87W ON TUE. A THERMAL TROUGH WILL DEVELOP EACH AFTERNOON OVER THE YUCATAN PENINSULA...MOVE W ACROSS THE WATERS S OF 22N DURING THE OVERNIGHT HOURS AND GRADUALLY LOSE IDENTITY S OF 22N ALONG 94W DURING THE LATE MORNING HOURS. GULF OF MEXICO N OF 26N W OF 87W .TODAY...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...SE WINDS 10 TO 15 KT...SHIFTING TO E IN THE AFTERNOON. SEAS 3 TO 5 FT. .SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SUN...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SUN NIGHT...E WINDS 10 KT. SEAS 3 FT. .MON...SE WINDS 10 KT. SEAS 3 FT IN THE MORNING... SUBSIDING TO 2 FT OR LESS. .MON NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TUE...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TUE NIGHT...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT...WITHIN 60 NM OF COAST OF VERACRUZ...E WINDS 10 TO 15 KT... DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. ELSEWHERE...E WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. GULF OF MEXICO E OF 87W .TODAY...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 FT. .TUE...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 FT. .TUE NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.