000 FZNT32 KNHC 180903 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 503 AM EDT Sun Jun 18 2017 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 in the northern Gulf will gradually weaken through Monday. Winds and seas will increase in the southern Gulf beginning tonight and through and Tuesday in response from a broad low pressure area that is expected to slowly move from the Yucatan Peninsula into the southern or central Gulf and possibly intensify into a tropical or sub-tropical cyclone. Widespread showers and thunderstorms with strong to near gale force winds will accompany the low as it moves into the Gulf. The low is expected to track in a general northwestward motion during the upcoming week. Gulf of Mexico N of 26N W of 87W .Today...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 13 ft. .WED...E winds 15 to 25 kt. Seas 8 to 13 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 8 to 11 ft. .THU...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. Gulf of Mexico from 22N to 26N W of 87W .Today...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE...NE winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 13 ft. .WED...SE winds 15 to 25 kt. Seas 8 to 11 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 7 to 10 ft. .THU...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. SW Gulf of Mexico S of 22N W of 87W .Today...E winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt Within 60 nm of coast of Veracruz, and NE 10 to 15 kt Elsewhere. Seas 3 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...NW winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SW winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .Today...E winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. .MON...SE winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...SE winds 15 to 25 kt. Seas 8 to 11 ft. .TUE...SE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft.