000 FZNT32 KNHC 181451 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1051 AM EDT SAT APR 18 2015 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...AN UPPER LEVEL DISTURBANCE WILL MAINTAIN THE POTENTIAL FOR THUNDERSTORMS ACROSS THE NW AND N CENTRAL GULF TODAY. A SURFACE TROUGH WILL SHIFT W OFF THE YUCATAN PENINSULA EACH NIGHT...MOVE NW ACROSS THE SW WATERS DURING THE EARLY MORNING HOURS...AND DISSIPATE BY THE EARLY LATE. A WEAK COLD FRONT WILL PASS E ACROSS THE N CENTRAL AND NE GULF ON MON AND MON NIGHT WITH WEAK HIGH PRESSURE REBUILDING IN THE WAKE OF THE FRONT. GULF OF MEXICO N OF 26N W OF 87W .THIS AFTERNOON...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SUN...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN NIGHT...S WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .MON...N WINDS 10 TO 15 KT. SEAS 3 FT. .MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .WED...E WINDS LESS THAN 10 KT. SEAS 3 FT. .WED NIGHT...SE WINDS 10 KT. SEAS 3 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .THIS AFTERNOON...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TONIGHT...SE WINDS 10 TO 15 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...DIMINISHING TO LESS THAN 10 KT LATE. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .WED...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .WED NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT. SW GULF OF MEXICO S OF 22N W OF 87W .THIS AFTERNOON...E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND SE 10 TO 20 KT ELSEWHERE. SEAS 3 TO 5 FT. .TONIGHT...E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND E 10 TO 15 KT ELSEWHERE. SEAS 3 FT LATE.BECOMING 2 FT OR LESS. .SUN...VARIABLE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND SE 10 TO 15 KT ELSEWHERE. SEAS 3 FT MORNING...BECOMING 2 FT OR LESS. .SUN NIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...SE WINDS LESS THAN 10 KT. ELSEWHERE...E WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT LATE. SEAS 2 FT OR LESS. .MON...SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .MON NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .TUE...SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .WED...SE WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. .WED NIGHT...E WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. GULF OF MEXICO E OF 87W .THIS AFTERNOON...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TONIGHT...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT LATE. SEAS 2 FT OR LESS. .SUN...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN NIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .MON NIGHT...S WINDS LESS THAN 10 KT. SEAS 3 FT. .TUE...E WINDS LESS THAN 10 KT. SEAS 3 FT. .TUE NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .WED...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .WED NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.