000 FZNT32 KNHC 040815 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 415 AM EDT THU MAY 4 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...SE WINDS WILL INCREASE OVER THE NW GULF AHEAD OF A STRONG COLD FRONT. THE FRONT WILL ENTER THE NW GULF TONIGHT...THEN CROSS THE BASIN BY FRI NIGHT. WINDS GUSTING TO GALE FORCE ARE EXPECTED OVER THE GULF N OF 22N W OF 94W AFTER THE FRONT PASSES THU. HIGH PRES WILL BUILD IN THE WAKE OF THE FRONT DURING THE UPCOMING WEEKEND. GULF OF MEXICO N OF 26N W OF 87W ...GALE WARNING... .TODAY...N WINDS 20 TO 25 KT. FREQUENT GUSTS TO GALE FORCE EARLY. SEAS 6 TO 9 FT. .TONIGHT...NW WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .FRI...NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI NIGHT...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 3 FT. .SUN...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W ...GALE WARNING... .TODAY...N TO NE WINDS 30 TO 35 KT DIMINISHING TO 20 TO 30 KT W OF 96W...AND N TO NE 20 TO 25 KT ELSEWHERE. SEAS 5 TO 7 FT BUILDING TO 6 TO 9 FT. .TONIGHT...N WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .FRI...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .FRI NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SAT...NE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SUN...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN THE AFTERNOON. SEAS 3 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .MON...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW GULF OF MEXICO S OF 22N W OF 87W ...GALE WARNING... .TODAY...S OF 21N W OF 95W SE WINDS 10 TO 15 KT BECOMING NW TO N WINDS 30 TO 35 KT. SEAS 3 TO 5 FT BUILDING TO 5 TO 8 FT. ELSEWHERE SE TO S WINDS 10 TO 15 KT...BECOMING N 25 TO 30 KT IN THE AFTERNOON. SEAS 3 TO 5 FT BUILDING TO 5 TO 7 FT. .TONIGHT...N WINDS 15 TO 25 KT. SEAS 6 TO 9 FT WITHIN 60 NM OF COAST OF VERACRUZ...AND 4 TO 6 FT ELSEWHERE. .FRI...N WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .FRI NIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...N WINDS 10 TO 15 KT...SHIFTING TO NE AFTER MIDNIGHT. ELSEWHERE...N WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT...VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT. .SUN...E WINDS LESS THAN 10 KT. SEAS 3 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. GULF OF MEXICO E OF 87W .TODAY...S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...W WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...NW WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI NIGHT...NW WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SAT...NW WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. .SAT NIGHT...NW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .SUN...N WINDS 10 KT. SEAS 3 TO 4 FT. .SUN NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .MON...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.