000 FZNT27 KNHC 210854 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 454 AM EDT Sun May 21 2023 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Weak high pressure will dominate the Gulf of Mexico through early next week, inducing light to gentle winds and slight seas. A diurnal trough will move offshore each night W of the Yucatan Peninsula, with moderate N to NE winds ahead of it. A weak frontal trough will sink into the northern Gulf Wed and move southward, and gradually produce gentle to moderate N to NE winds across the entire basin. Popocatepetl Volcano in Mexico near 19N98.6W has produced 2 large eruptions overnight, moving ENE away from the volcano. Ash aloft has recently moved over water and may be reaching the surface from 19N to 22N between 96W and the Mexican coast. Visibilities may be restricted 3 to 5 nm across this area. Mariners should exercise caution. Northwest Gulf of Mexico .TODAY...N winds 10 to 15 kt. Seas 2 ft or less. Chance of tstms. .TONIGHT...N to NE winds 5 to 10 kt. Seas 2 ft or less. .MON...N to NE winds 5 to 10 kt. Seas 2 ft or less. Slight chance of tstms. .MON NIGHT...NE winds 5 kt, shifting to E to SE after midnight. Seas 2 ft or less. .TUE...N to NE winds less than 5 kt. Seas 2 ft or less. .TUE NIGHT...N to NE winds 5 to 10 kt. Seas 2 ft or less. .WED...NE winds 5 to 10 kt. Seas 2 ft or less. .WED NIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less. .THU...NE to E winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. North Central and Northeast Gulf of Mexico .TODAY...NW to N winds 5 to 10 kt. Seas 2 ft or less. Slight chance of tstms. .TONIGHT...NW to N winds 5 to 10 kt. Seas 2 ft or less. Chance of showers and slight chance of tstms. .MON...NW winds 5 kt. Seas 2 ft or less. Chance of tstms. .MON NIGHT...N winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and chance of tstms. .TUE...NW to N winds 5 to 10 kt. Seas 2 ft or less. .TUE NIGHT...N to NE winds 10 to 15 kt. Seas 2 ft or less. .WED...N to NE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 3 to 5 ft. .THU...NE winds 15 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft.