000 FZNT32 KNHC 170134 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 834 PM EST Sun Dec 16 2018 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 ridge will persist across the Gulf of Mexico through Tue night as a high pressure center moves from eastern Texas towards North Carolina. A low pressure system will move NE from the coast of Texas Wed to the SE United States Thu, dragging a cold front across the Gulf waters. Marine conditions are expected to deteriorate across the region on Thu afternoon as the low pressure deepens over the SE of United States. Near gale force winds are expected across the northern waters Thu night through Fri afternoon. Gulf of Mexico N of 26N W of 87W .TONIGHT...NE winds 10 kt. Seas 3 to 4 ft. .MON...NE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 kt. Seas 2 ft or less. .TUE...E winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...SW winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .WED NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. .THU...NW winds 15 to 25 kt. Seas 3 to 5 ft, building to 6 to 8 ft in the afternoon. .THU NIGHT...NW winds 25 to 30 kt. Seas 9 to 13 ft, building to 11 to 16 ft after midnight. .FRI...NW winds 25 to 30 kt. Seas 11 to 16 ft. .FRI NIGHT...NW winds 15 to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 8 to 11 ft, subsiding to 6 to 8 ft after midnight. Gulf of Mexico from 22N to 26N W of 87W .TONIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. .TUE...SE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .WED...SW winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...W winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .THU...NW winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NW winds 20 to 30 kt. Seas 7 to 10 ft, building to 9 to 14 ft after midnight. .FRI...NW winds 20 to 30 kt. Seas 10 to 15 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. SW Gulf of Mexico S of 22N W of 87W .TONIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .TUE...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .WED...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .THU...NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. .THU NIGHT...N winds 15 to 25 kt. Seas 4 to 6 ft. .FRI...NW winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 6 to 9 ft. Gulf of Mexico E of 87W ...GALE CONDITIONS POSSIBLE... .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...N winds 10 kt. Seas 3 to 4 ft. .MON NIGHT...N winds 10 kt. Seas 3 ft. .TUE...NE winds 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...E winds 10 kt. Seas 2 ft or less. .WED...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .WED NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. .THU...SW winds 15 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...W winds 20 to 30 kt. Seas 6 to 8 ft, building to 8 to 13 ft after midnight. .FRI...W winds 20 to 30 kt. Seas 13 to 18 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 13 to 16 ft, subsiding to 10 to 13 ft after midnight.