000 FZNT32 KNHC 280818 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 418 AM EDT SAT APR 28 2012 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 E TO W RIDGE EXTENDING ALONG 28N WILL SHIFT N ACROSS THE NORTHERN COASTAL PLAINS TONIGHT...THEN SHIFT N OF AREA ON SUN. A BROAD TROUGH WILL MOVE W INTO THE STRAITS OF FLORIDA SUN...CONTINUE W TO THE S CENTRAL GULF ON TUE...BEFORE WEAKENING OVER THE W GULF ON WED. GULF OF MEXICO N OF 26N W OF 87W .TODAY...SE TO S WINDS 10 TO 20 KT...BECOMING SE 10 TO 15 KT IN THE AFTERNOON. SEAS 4 TO 6 FT. .TONIGHT...E TO SE WINDS 10 TO 15 KT...BECOMING SE 10 TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. .SUN AND SUN NIGHT...E TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. .MON THROUGH WED...SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TODAY...SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .TONIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .SUN AND SUN NIGHT...E TO SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT. .MON THROUGH WED...E TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TODAY...SE WINDS 10 TO 20 KT...BECOMING E TO SE 10 TO 15 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. .TONIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .SUN AND SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON THROUGH WED...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. GULF OF MEXICO E OF 87W .TODAY...E WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SUN AND SUN NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .MON THROUGH WED...E TO SE WINDS 10 TO 20 KT. SEAS 5 TO 7 FT.