000 FZNT32 KNHC 301337 OFFN21 MARINE WEATHER HF VOICE BROADCAST NWS NATIONAL HURRICANE CENTER MIAMI FL 937 AM EDT WED SEP 30 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...AN AREA OF LOW PRES OVER THE NW GULF NEAR 26N93W WILL WEAKEN TO A SURFACE TROUGH THIS AFTERNOON...AND SHIFT INTO THE CENTRAL GULF BY WED EVENING...AHEAD OF A COLD FRONT MOVING INTO THE NORTHERN GULF THU. THE FRONT WILL REACH FROM NEAR TAMPA BAY FLORIDA TO THE CENTRAL BAY OF CAMPECHE BY FRI AFTERNOON...AND FROM SW FLORIDA TO THE NORTHERN YUCATAN PENINSULA BY FRI NIGHT. FRESH TO LOCALLY STRONG NORTHERLY WINDS WILL FOLLOW THE FRONT FORECAST TO BECOME DIFFUSE OVER THE SE GULF ON FRI. GULF OF MEXICO N OF 26N W OF 87W .THIS AFTERNOON...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .TONIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .THU...N WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU NIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...N WINDS 15 TO 20 KT. SEAS 5 TO 6 FT. .FRI NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .SAT...N WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT NIGHT...N WINDS 10 TO 15 KT. SEAS 3 FT. .SUN...N WINDS 10 TO 15 KT. SEAS 3 FT. .SUN NIGHT...N WINDS 10 TO 15 KT. SEAS 2 FT OR LESS. GULF OF MEXICO FROM 22N TO 26N W OF 87W .THIS AFTERNOON...NW WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN THE AFTERNOON. SEAS 3 FT. .TONIGHT...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .THU...N WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .THU NIGHT...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI...N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .FRI NIGHT...N WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. .SAT...N WINDS 10 KT. SEAS 3 TO 4 FT. .SAT NIGHT...N WINDS LESS THAN 10 KT. SEAS 3 FT. .SUN...N WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .SUN NIGHT...NE 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...BECOMING NW LESS THAN 10 KT IN THE AFTERNOON. SEAS 2 FT OR LESS. .TONIGHT...NW WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. .THU...WITHIN 60 NM OF COAST OF VERACRUZ...NW WINDS 10 TO 20 KT. ELSEWHERE...NW WINDS LESS THAN 10 KT...INCREASING TO 10 TO 15 KT IN THE AFTERNOON. SEAS 3 TO 5 FT. .THU NIGHT...N WINDS 10 TO 20 KT. SEAS 3 TO 5 FT. .FRI...N WINDS 10 TO 20 KT. SEAS 4 TO 6 FT. .FRI NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...NW WINDS LESS THAN 10 KT. SEAS 3 TO 4 FT. .SAT NIGHT...N WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .SUN...VARIABLE WINDS LESS THAN 10 KT. SEAS 2 TO 3 FT. .SUN NIGHT...NE WINDS LESS THAN 10 KT. SEAS 2 FT OR LESS. GULF OF MEXICO E OF 87W .THIS AFTERNOON...NW WINDS 10 KT. SEAS 2 FT OR LESS. .TONIGHT...NW WINDS 10 KT. SEAS 2 FT OR LESS. .THU...NW WINDS 10 KT. SEAS 2 TO 3 FT. .THU NIGHT...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .FRI...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .FRI NIGHT...N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. .SAT...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SAT NIGHT...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN...W WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. .SUN NIGHT...NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.