386 FZNT32 KNHC 181436 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1036 AM EDT Tue Apr 18 2023 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...Weak high pressure over the Florida Panhandle is inducing fresh SE flow over the W Gulf, with gentle to moderate E winds elsewhere. These winds will increase over portions of the western Gulf to strong this evening through Wed morning. Looking ahead, a cold front is expected to enter the NW Gulf Fri night. Fresh to strong N winds and building seas are expected behind the front this weekend over the central and western Gulf. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...S winds less than 10 kt, becoming SW 10 to 20 kt after midnight. Seas 4 to 6 ft. .SAT...N winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft. Gulf of Mexico from 22N to 26N W of 87W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt, shifting to E after midnight. Seas 4 to 6 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. SW Gulf of Mexico S of 22N W of 87W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds less than 10 kt, shifting to N in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. Gulf of Mexico E of 87W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT...W winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .SAT NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft.