000 FZNT32 KNHC 310211 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1011 PM EDT THU MAR 30 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 COLD FRONT MOVING SE ACROSS THE W GULF TONIGHT IS PRECEDED BY A SQUALL LINE ACROSS NE PORTIONS WHILE WEAK HIGH PRES ACROSS THE E GULF TO BAHAMAS SHIFTS E. THE FRONT WILL MOVE ACROSS THE NORTHERN GULF THROUGH FRI NIGHT PRECEDED BY SCATTERED SHOWERS AND THUNDERSTORMS. SE FRESH TO STRONG RETURN FLOW WILL THEN DOMINATE ACROSS THE WESTERN GULF THROUGH SUN NIGHT AND OVER THE EASTERN BASIN THROUGH MONDAY NIGHT. A SECOND COLD FRONT WILL MOVE OFF THE TEXAS COAST SUN NIGHT REACHING FROM NEAR W CENTRAL FLORIDA TO N OF THE YUCATAN PENINSULA MON NIGHT. GULF OF MEXICO N OF 26N W OF 87W .OVERNIGHT...W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI...N WINDS LESS THAN 10 KT...SHIFTING TO E IN THE AFTERNOON. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. .SAT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SAT NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN...SE WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .SUN NIGHT...S WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .MON...W WINDS 15 TO 25 KT. SEAS 6 TO 8 FT. .MON NIGHT...W WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TUE...S WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .TUE NIGHT...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .OVERNIGHT...NE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .FRI...SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E 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 15 TO 25 KT. SEAS 5 TO 7 FT. .SUN...SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .SUN NIGHT...SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .MON...S WINDS 15 TO 25 KT...SHIFTING TO NW 10 TO 20 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. .MON NIGHT...E WINDS LESS THAN 10 KT. SEAS 4 TO 6 FT. .TUE...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SW GULF OF MEXICO S OF 22N W OF 87W .OVERNIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...N WINDS LESS THAN 10 KT IN THE MORNING...BECOMING VARIABLE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .FRI NIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...SE WINDS 10 TO 20 KT. ELSEWHERE...NE WINDS LESS THAN 10 KT...SHIFTING TO E AFTER MIDNIGHT. SEAS 2 FT OR LESS...BUILDING TO 3 TO 4 FT AFTER MIDNIGHT. .SAT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON...S WINDS 10 TO 15 KT...SHIFTING TO NW IN THE AFTERNOON. SEAS 3 TO 4 FT. .MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 FT. .TUE...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. GULF OF MEXICO E OF 87W .OVERNIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT...SW WINDS LESS THAN 10 KT...SHIFTING TO E AFTER MIDNIGHT. SEAS 3 TO 4 FT. .SAT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SAT NIGHT...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 FT OR LESS...BUILDING TO 3 FT AFTER MIDNIGHT. .SUN...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON...S WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .MON NIGHT...S WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. .TUE...SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .TUE NIGHT...S WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT.