000 FZNT32 KNHC 130833 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 433 AM EDT MON APR 13 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...MODERATE RETURN FLOW IS EXPECTED TO PREVAIL ACROSS THE BASIN THROUGHOUT THE WEEK. A SURFACE TROUGH WILL SHIFT W OFF OF THE YUCATAN PENINSULA EACH EVENING AND NIGHT...AND MOVE NW ACROSS THE E BAY OF CAMPECHE DURING THE MORNING HOURS BEFORE DISSIPATING OVER SW PORTIONS EACH MORNING. A PERSISTENT AND ENERGETIC UPPER LEVEL TROUGH ACROSS THE SW U.S. WILL MAINTAIN VERY UNSTABLE ATMOSPHERIC CONDITIONS NW AND N SECTIONS THROUGH WED...ALLOWING FOR POTENTIAL FOR STRONG TSTM ACTIVITY. GULF OF MEXICO N OF 26N W OF 87W .TODAY...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .WED...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .WED NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .THU...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI NIGHT...S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .TONIGHT...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 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 3 TO 5 FT. .WED...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .WED NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU...SE WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .THU NIGHT...SE WINDS 10 TO 20 KT. SEAS 4 TO 5 FT. .FRI...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...SE WINDS 10 TO 15 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND SE 15 TO 25 KT ELSEWHERE. SEAS 4 TO 6 FT. .TONIGHT...E WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 3 TO 5 FT. .TUE...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TUE NIGHT...E WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 3 TO 5 FT. .WED...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .THU...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...SE WINDS 10 TO 20 KT. SEAS 3 TO 4 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. GULF OF MEXICO E OF 87W .TODAY...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 FT. .TUE...SE WINDS 10 TO 15 KT. SEAS 3 FT. .TUE NIGHT...SE WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT LATE. SEAS 3 FT. .WED...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .WED NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 FT. .THU...SE WINDS LESS THAN 10 KT. SEAS 3 FT. .THU NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 FT. .FRI...SE WINDS 10 TO 15 KT. SEAS 3 FT. .FRI NIGHT...SE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.