000 FZNT32 KNHC 210813 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 313 AM EST TUE FEB 21 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...A FRONT WITH A SHARP WIND DISCONTINUITY ACROSS THE BOUNDARY WILL DRIFT ACROSS THE BASIN THROUGH WED MORNING... FOLLOWED BY DEVELOPMENT OF A SUFACE LOW IN THE EASTERN GULF WED. NW WINDS W OF THE FRONT TODAY WILL GRADUALLY SPREAD ACROSS THE ENTIRE GULF THROUGH WED. GULF OF MEXICO N OF 26N W OF 87W .TODAY...W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .WED...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 FT. .FRI...S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .FRI NIGHT...NW WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .SAT...NE WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. .SAT NIGHT...NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...NW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .WED...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 FT. .FRI NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...NW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED NIGHT...NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .THU...W WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .THU NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 FT. .FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .SAT...NE WINDS LESS THAN 10 KT. SEAS 3 FT. .SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO E OF 87W .TODAY...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TONIGHT...SW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED NIGHT...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU...NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...N WINDS 10 KT. SEAS 3 FT. .FRI NIGHT...NW WINDS 10 KT. SEAS 2 FT OR LESS. .SAT...NW WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT NIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.