000 FZNT32 KNHC 301458 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1058 AM 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...WEAK HIGH PRES EXTENDING FROM THE SW N ATLC WESTWARD TO THE FAR EASTERN GULF WILL MAINTAIN SE RETURN FLOW OVER THOSE WATERS THROUGH THIS AFTERNOON AS A COLD FRONT MOVES OVER THE NW BASIN PRECEDED BY A SQUALL LINE. THE FRONT WILL THEN 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 .THIS AFTERNOON...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...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...SE 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 15 TO 25 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 9 FT. .MON...W WINDS 15 TO 25 KT. SEAS 6 TO 9 FT. .MON NIGHT...NW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .THIS AFTERNOON...S WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...E WINDS LESS THAN 10 KT...SHIFTING TO SE IN THE AFTERNOON. SEAS 3 TO 5 FT. .FRI NIGHT...SE 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...E WINDS 15 TO 25 KT...SHIFTING TO NW 10 TO 15 KT IN THE AFTERNOON. SEAS 5 TO 7 FT. .MON NIGHT...N WINDS LESS THAN 10 KT...SHIFTING TO NE AFTER MIDNIGHT. SEAS 4 TO 6 FT. SW GULF OF MEXICO S OF 22N W OF 87W .THIS AFTERNOON...WITHIN 60 NM OF COAST OF VERACRUZ...W WINDS LESS THAN 10 KT...BECOMING NW 10 TO 20 KT IN THE AFTERNOON. ELSEWHERE...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TONIGHT...N WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .FRI...NE 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 4 FT. .SAT NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN NIGHT...SE WINDS 10 TO 15 KT...SHIFTING TO E AFTER MIDNIGHT. SEAS 3 TO 5 FT. .MON...E WINDS LESS THAN 10 KT...SHIFTING TO N IN THE AFTERNOON. SEAS 3 FT. .MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 FT. GULF OF MEXICO E OF 87W .THIS AFTERNOON...SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .TONIGHT...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 SE AFTER MIDNIGHT. SEAS 3 TO 4 FT. .SAT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .MON...S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT. .MON NIGHT...SW WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.