000 FZNT32 KNHC 231336 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 936 AM EDT Tue May 23 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...A modest cold front will move S through the eastern Gulf Wed through Fri, followed by moderate to locally fresh N to NE winds E of 90W through Sat morning. Otherwise, weak high pressure will generally dominate the basin through the week, yielding light to gentle winds through tonight, and gentle to moderate thereafter. Seas will be slight, but building with the increasing winds behind the front. Popocatepetl Volcano in Mexico near 19N99W has been active and continues to erupt this morning. Volcanic ash has moved E to ESE away from the volcano and over the Bay of Campeche to the Caribbean coast of the Yucatan near Cozumel, S of 20N and W of 85W. Visibility may be restricted in this area due to volcanic ashfall through tonight. Mariners should exercise caution. If mariners encounter volcanic ash or floating volcanic debris, you are encouraged to report the observation to the National Weather Service by calling 305-229-4424. Gulf of Mexico N of 26N 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...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .WED...N winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .THU...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N 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. .WED...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .THU...NE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 to 4 ft after midnight. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W ...ASHFALL ADVISORY... .THIS AFTERNOON...E winds less than 10 kt, becoming variable winds less than 10 kt. Seas 2 ft or less. Haze and volcanic ash. Vsby 3 NM. .TONIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 2 ft or less. .WED...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 2 ft or less. .THU...NE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .FRI...N winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. Gulf of Mexico E of 87W .THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...N winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...N winds less than 10 kt. Seas 2 ft or less. .THU...N winds less than 10 kt, shifting to NW in the afternoon. Seas 2 ft or less, building to 3 ft in the afternoon. .THU NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...N winds 10 to 15 kt. Seas 3 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.