000 FZNT32 KNHC 220300 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1000 PM 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 TROUGH ALONG SOUTHERN MISSISSIPPI AND SE LOUISIANA WILL RACE E AND MERGE WITH A COLD FRONT CURRENTLY EXTENDING S FROM THE FLORIDA PANHANDLE TO THE E BAY OF CAMPECHE. A SURFACE LOW WILL DEVELOP ALONG THE MERGED FRONT NEAR 28N84W WED MORNING. THE LOW WILL MOVE SE AND CROSS FLORIDA ALONG 27N WED NIGHT DRAGGING THE FRONT THROUGH THE FLORIDA STRAITS THROUGH EARLY THU. A NEW COLD FRONT WILL ENTER THE NW BASIN FRI NIGHT...EXTEND FROM THE FLORIDA PANHANDLE TO NE MEXICO SAT EVENING AND MOVE ACROSS SOUTHERN FLORIDA AND THE STRAITS SUN AFTERNOON. GULF OF MEXICO N OF 26N W OF 87W .TONIGHT...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED NIGHT...N WINDS 10 TO 15 KT...SHIFTING TO NE AFTER MIDNIGHT. SEAS 3 TO 5 FT. .THU...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS...BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. .FRI...SE WINDS 10 TO 15 KT...SHIFTING TO S IN THE AFTERNOON. SEAS 3 TO 5 FT. .FRI NIGHT...VARIABLE WINDS LESS THAN 10 KT...BECOMING NW LESS THAN 10 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS. .SAT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT NIGHT...NE WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. .SUN...E WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. .SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TONIGHT...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED NIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU...E WINDS LESS THAN 10 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...SHIFTING TO S IN THE AFTERNOON. SEAS 3 TO 4 FT. .FRI NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 FT. .SAT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TONIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...N WINDS LESS THAN 10 KT...SHIFTING TO SW AFTER MIDNIGHT. ELSEWHERE...NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED...SW WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND W 10 TO 20 KT ELSEWHERE. SEAS 2 FT OR LESS WITHIN 60 NM OF COAST OF VERACRUZ...AND 3 TO 5 FT ELSEWHERE. .WED NIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...VARIABLE WINDS LESS THAN 10 KT...BECOMING S LESS THAN 10 KT AFTER MIDNIGHT. ELSEWHERE...NW WINDS 10 TO 15 KT. SEAS 2 FT OR LESS WITHIN 60 NM OF COAST OF VERACRUZ...AND 3 TO 5 FT ELSEWHERE. .THU...S WINDS LESS THAN 10 KT. SEAS 3 FT IN THE MORNING... SUBSIDING TO 2 FT OR LESS. .THU NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS...BUILDING TO 3 FT AFTER MIDNIGHT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 FT. .FRI NIGHT...E WINDS LESS THAN 10 KT...SHIFTING TO NE AFTER MIDNIGHT. SEAS 2 FT OR LESS. .SAT...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO E OF 87W .TONIGHT...SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED...NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .WED NIGHT...NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .THU...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .THU NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...NE WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 FT. .FRI NIGHT...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT...NW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...N WINDS 10 TO 20 KT. SEAS 2 FT OR LESS...BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. .SUN...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.