000 FZNT32 KNHC 122032 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 432 PM 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...A WEAK SURFACE RIDGE EXTENDS FROM THE W ATLANTIC WESTWARD ALONG 29N/30N TO COASTAL E TEXAS. THIS RIDGE WILL SHIFT E OF THE AREA 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 BAY OF CAMPECHE THROUGH THE FOPRECAST PERIOD IN THE EVENING HOURS AND SHIFT WESTWARD ACROSS THE SW GULF OVERNIGHT WHILE WEAKENING. GULF OF MEXICO N OF 26N W OF 87W .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...NE WINDS LESS THAN 10 KT. 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. .TUE...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TUE NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TONIGHT...E WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .FRI...NE 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. .TUE...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TUE NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. SW GULF OF MEXICO S OF 22N W OF 87W .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...SHIFTING TO NW IN THE AFTERNOON. ELSEWHERE...E WINDS 10 TO 15 KT...DIMINISHING TO LESS THAN 10 KT IN THE AFTERNOON. SEAS 3 TO 4 FT. .FRI NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT...N WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND E 10 TO 15 KT ELSEWHERE. SEAS 3 TO 4 FT. .SAT NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .SUN...E WINDS 10 TO 15 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. .TUE...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO E OF 87W .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...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TUE...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.