000 FZNT32 KNHC 201421 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1021 AM EDT SAT JUL 20 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 TROUGH FROM THE EXTREME WESTERN FLORIDA PANHANDLE TO 24N95W WILL DRIFT NW AND GRADUALLY DISSIPATE TONIGHT. A RIDGE WILL EXTEND E TO W ALONG 28N ON SUN AND MON THEN EXTEND FROM SW FLORIDA TO NE TEXAS ON TUE AND WED. GULF OF MEXICO N OF 26N W OF 87W .THIS AFTERNOON...S WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .TONIGHT...S WINDS 10 KT. SEAS 2 TO 3 FT. .SUN AND SUN NIGHT...S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .MON THROUGH WED...S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .THIS AFTERNOON...SE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .SUN AND SUN NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON THROUGH WED...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. SW GULF OF MEXICO S OF 22N W OF 87W .THIS AFTERNOON...SE WINDS LESS THAN 10 KT WITHIN 60 NM OF COAST OF VERACRUZ...AND SE 10 TO 15 KT ELSEWHERE. SEAS 2 TO 3 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. .SUN AND SUN NIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .MON THROUGH WED...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. GULF OF MEXICO E OF 87W .THIS AFTERNOON...SE WINDS 10 KT. SEAS 2 TO 3 FT. .TONIGHT...SE WINDS 10 KT. SEAS 2 TO 3 FT. .SUN AND SUN NIGHT...SE WINDS 10 KT. SEAS 2 TO 3 FT. .MON THROUGH TUE...E WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .WED...NE WINDS LESS THAN 10 KT. SEAS 2 FT.