000 FZNT32 KNHC 102100 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 500 PM EDT TUE SEP 10 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...SURFACE RIDGE N OF THE AREA ACROSS THE GULF COAST WILL PERSIST THROUGH THU. A TROUGH OF LOW PRESSURE JUST OFF THE COAST OF BELIZE AND THE YUCATAN PENINSULA IS EXPECTED TO MOVE SLOWLY WEST-NORTHWESTWARD. THIS TROUGH WILL BEGIN MOVING ACROSS THE YUCATAN PENINSULA TONIGHT...AND ENTER THE BAY OF CAMPECHE EARLY THURSDAY. A LOW PRES AREA IS EXPECTED TO DEVELOP ALONG THE TROUGH OVER THE SW GULF BY THU...THEN INTENSIFY SLOWLY THROUGH SAT AS IT DRIFTS NW. GULF OF MEXICO N OF 26N W OF 87W .TONIGHT...E WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. .WED...E WINDS 15 TO 20 KT. SEAS 4 TO 5 FT. .WED NIGHT THROUGH THU NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...SE WINDS 15 TO 25 KT. SEAS 5 TO 7 FT. GULF OF MEXICO FROM 22N TO 26N W OF 87W .TONIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED...E WINDS 10 TO 20 KT. SEAS 4 TO 5 FT. .WED NIGHT THROUGH THU NIGHT...E WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI THROUGH SUN...SE WINDS 20 TO 30 KT. SEAS 6 TO 8 FT. SW GULF OF MEXICO S OF 22N W OF 87W .TONIGHT...WITHIN 60 NM OF COAST OF VERACRUZ...NE WINDS LESS THAN 10 KT. ELSEWHERE...NE WINDS 10 TO 15 KT. SHIFTING TO E 10 TO 20 KT LATE. SEAS 2 TO 3 FT. .WED...WITHIN 60 NM OF COAST OF VERACRUZ...N WINDS LESS THAN 10 KT EARLY. WINDS 10 TO 15 KT LATE. ELSEWHERE...E WINDS 10 TO 20 KT EARLY. SEAS 2 TO 4 FT. .WED NIGHT...NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. .THU AND THU NIGHT...N WINDS 10 TO 20 KT. SEAS 2 TO 4 FT. .FRI THROUGH SUN...S WINDS 15 TO 25 KT. SEAS 4 TO 6 FT. GULF OF MEXICO E OF 87W .TONIGHT...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .WED NIGHT THROUGH THU NIGHT...SE WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI THROUGH SUN...E WINDS 10 TO 20 KT. SEAS 3 TO 5 FT.