000 FZNT32 KNHC 121507 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1107 AM EDT THU MAY 12 2016 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 RIDGING EXTENDS FROM NORTHERN FLORIDA WESTWARD ALONG 29N/30N TO COASTAL E TEXAS. THE RIDGING WILL SHIFT E OF THE AREA LATE TONIGHT IN RESPONSE TO A WEAK COLD FRONT APPROACHING THE NW WATERS. THE FRONT WILL QUICKLY MOVE ACROSS THE NORTHERN GULF FRI AND FRI NIGHT FOLLOWED BY WEAK HIGH PRES THAT SETTLES IN ACROSS THE CENTRAL GULF THROUGH SAT NIGHT. THE HIGH WILL THEN SHIFT TO THE E GULF BY MON WITH SE MODERATE TO OCCASIONAL FRESH RETURN FLOW EXPECTED ACROSS THE WESTERN WATERS. A DIURNAL TROUGH WILL CONTINUE TO FORM ACROSS THE YUCATAN PENINSULA DURING THE EVENINGS...AND SHIFT WESTWARD ACROSS THE SW GULF DURING THE OVERNIGHT AND MORNING HOURS WHILE WEAKENING. GULF OF MEXICO N OF 26N W OF 87W .THIS AFTERNOON...E WINDS 10 KT. SEAS 3 TO 4 FT. .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT. .FRI...VARIABLE WINDS LESS THAN 10 KT...BECOMING NE 10 KT IN THE AFTERNOON. SEAS 3 FT. .FRI NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT IN THE EVENING... SUBSIDING TO 2 FT OR LESS. .SAT...VARIABLE WINDS LESS THAN 10 KT...BECOMING NE LESS THAN 10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS. .SAT NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .THIS AFTERNOON...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .FRI...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. .SAT...E WINDS LESS THAN 10 KT. SEAS 3 FT. .SAT NIGHT...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 3 FT. .SUN...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW GULF OF MEXICO S OF 22N W OF 87W .THIS AFTERNOON...VARIABLE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND E 10 TO 15 KT ELSEWHERE. SEAS 3 TO 4 FT. .TONIGHT...N WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND NE 10 TO 15 KT ELSEWHERE. SEAS 3 TO 4 FT. .FRI...WITHIN 60 NM OF COAST OF VERACRUZ...N WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN THE AFTERNOON. ELSEWHERE... E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT...E WINDS 10 TO 15 KT...SHIFTING TO NE IN THE AFTERNOON. SEAS 3 TO 4 FT. .SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .SUN...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. GULF OF MEXICO E OF 87W .THIS AFTERNOON...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI NIGHT...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT...N WINDS 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.