000 FZNT32 KNHC 171455 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1055 AM EDT THU SEP 17 2015 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 29N84W THROUGH 1012 MB LOW PRES NEAR 25N85W TO 23N86W WILL MEANDER OVER THE E GULF THIS AFTERNOON THEN BECOME MORE NE TO SW ORIENTED ACROSS THE EASTERN AND CENTRAL GULF FRI THROUGH THE WEEKEND...SHIFTING EASTWARD SUN NIGHT INTO MON. WIDESPREAD SHOWERS ARE EXPECTED ACROSS THE EASTERN GULF THIS AFTERNOON THROUGH FRI. WEAK HIGH PRES WILL MOVE INTO THE N CENTRAL GULF OVER THE WEEKEND AND MAKE WAY FOR A COLD FRONT THAT WILL REACH THE N CENTRAL GULF COAST MON. GULF OF MEXICO N OF 26N W OF 87W .THIS AFTERNOON...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI NIGHT...E WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT...NE WINDS 10 TO 15 KT. SEAS 3 FT. .SAT NIGHT...E WINDS 10 TO 15 KT. SEAS 3 FT. .SUN...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. GULF OF MEXICO FROM 22N TO 26N W OF 87W .THIS AFTERNOON...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .TONIGHT...NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...NE WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .FRI NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT. .SAT...NE WINDS LESS THAN 10 KT. SEAS 3 FT. .SAT NIGHT...E WINDS LESS THAN 10 KT. SEAS 3 FT. .SUN...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON NIGHT...E WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. SW GULF OF MEXICO S OF 22N W OF 87W .THIS AFTERNOON...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .TONIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .FRI NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. GULF OF MEXICO E OF 87W .THIS AFTERNOON...SE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...SE WINDS 10 TO 15 KT. SEAS 3 FT. .FRI...S WINDS LESS THAN 10 KT...SHIFTING TO NW IN THE AFTERNOON. SEAS 3 FT IN THE MORNING...SUBSIDING TO 2 FT OR LESS. .FRI NIGHT...NW WINDS LESS THAN 10 KT...SHIFTING TO SW LATE. SEAS 2 FT OR LESS. .SAT...W WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SAT NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .MON NIGHT...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS.