000 FZNT32 KNHC 130917 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 517 AM EDT MON MAY 13 2013 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 COLD FRONT FROM JUST N OF TAMPA BAY TO 25N90W TO NEAR TUXPAN MEXICO EARLY THIS MORNING WILL REMAIN STATIONARY ACROSS W PORTIONS TODAY...WHILE E PORTION MOVES SE...STRETCHING FROM UPPER FLORIDA KEYS TO 24.5N90W THIS EVENING. THE WESTERN PORTION OF THE FRONT WILL DISSIPATE TONIGHT WHILE THE EASTERN PORTION PASSES THROUGH THE YUCATAN CHANNEL AND STRAITS OF FLORIDA TONIGHT THROUGH TUE. HIGH PRESSURE WILL BUILD OVER THE GULF BEHIND THE FRONT WITH A RIDGE ESTABLISHED ALONG 29N WED THROUGH FRI TO PRODUCE MODERATE RETURN FLOW ACROSS W HALF. GULF OF MEXICO N OF 26N W OF 87W .TODAY...NE WINDS 10 TO 15 KT...INCREASING TO 15 TO 20 KT LATE. SEAS 2 TO 4 FT. .TONIGHT...NE WINDS 10 TO 20 KT...SHIFTING TO E 10 TO 15 KT LATE. SEAS 3 TO 4 FT. .TUE AND TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .WED THROUGH FRI...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .TUE AND TUE NIGHT...E WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .WED THROUGH FRI...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...NE WINDS 10 TO 20 KT...BECOMING 10 TO 15 KT LATE. SEAS 2 TO 4 FT. .TONIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .TUE AND TUE NIGHT...E WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND NE 10 TO 20 KT ELSEWHERE. SEAS 3 TO 5 FT. .WED THROUGH FRI...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. GULF OF MEXICO E OF 87W .TODAY...NE WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .TONIGHT...NE WINDS 10 TO 15 KT...BECOMING 10 TO 20 KT LATE. SEAS 2 TO 4 FT. .TUE AND TUE NIGHT...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED THROUGH FRI...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.