000 FZNT32 KNHC 212042 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 442 PM EDT SUN APR 21 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 WEAK TROUGH ALONG 89W WILL LINGER THROUGH TUE AND SLOWLY DISSIPATE. A COLD FRONT IS EXPECTED TO MOVE INTO THE NW GULF WED...WEAKEN AND STALL THU...THEN DISSIPATE FRI. GULF OF MEXICO N OF 26N W OF 87W .TONIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON NIGHT THROUGH TUE NIGHT...SE WINDS 10 TO 15 KT. SEAS 3 TO 5 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 .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON NIGHT THROUGH TUE NIGHT...SE WINDS 10 TO 20 KT. SEAS 2 TO 4 FT. .WED THROUGH FRI...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .MON...NE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .MON NIGHT THROUGH TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 2 TO 4 FT. .WED THROUGH FRI...NE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO E OF 87W .TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .MON...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .MON NIGHT THROUGH TUE NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED THROUGH FRI...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.