000 FZNT25 KNHC 230911 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 511 AM EDT Tue May 23 2023 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... Southeast Gulf of Mexico .SYNOPSIS...Weak high pressure will generally dominate the basin through the week, yielding light to gentle winds and slight seas. A modest cold front will move S through the eastern Gulf late Wed through Thu, followed by moderate to locally fresh N to NE winds E of 90W through Sat morning. Popocatepetl Volcano in Mexico near 19N99W has been active since Sun and continues to erupt this morning. Ash has moved E to NE away from the volcano and over the Bay of Campeche, S of 22N and W of 90W. Visibility may be restricted in this area due to volcanic ashfall through tonight. Mariners should exercise caution. .TODAY...N to NE winds 5 kt, shifting to NW in the afternoon. Seas 2 ft or less. Isolated tstms. .TONIGHT...N winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .WED...W to NW winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .WED NIGHT...NW to N winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .THU...NW winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...N winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .FRI...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...N to NE winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...N to NE winds 15 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...Elongated low pressure extends from a 1008 mb low center near 25.5N71.5W to 30N70W. The low will move N-NE and reach near 30N70W early Wed, when it will interact with a weak cold front approaching from the NW, then move NE and exit the region Wed night. Fresh to strong SE winds, rough seas, with scattered showers and tstms will prevail E of the low and trough through Wed. New low pressure is forecast to develop over central Florida late Wed, move N-NE off the peninsula Thu, and across the far NW waters through Sat. The pressure gradient between high pressure over the eastern U.S. and the low will support fresh to locally strong NE winds and large NE swell across the NE Florida offshore waters beginning Thu night through Sat. .TODAY...NE to E winds 5 kt S of 27N, and NE 10 to 15 kt N of 27N. Seas 3 to 5 ft. Scattered showers and isolated tstms. .TONIGHT...E winds 5 to 10 kt S of 27N, and NE to E 10 to 15 kt N of 27N. Seas 3 to 5 ft. Scattered showers and isolated tstms. .WED...SE to S winds 5 to 10 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .WED NIGHT...SE winds 5 to 10 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .THU...SW winds 5 to 10 kt. Seas 3 to 5 ft. .THU NIGHT...S to SW winds 5 to 10 kt. Seas 3 to 5 ft. .FRI...SW to W winds 5 to 10 kt. Seas 3 to 5 ft. .FRI NIGHT...S to SW winds 5 to 10 kt. Seas 4 to 6 ft in N to NE swell. .SAT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...SW to W winds 10 to 15 kt. Seas 5 to 7 ft.