327 FZNT25 KNHC 240250 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1050 PM 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...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 are presently slight, but will build with the increasing winds behind the front. Popocatepetl Volcano in Mexico near 19N99W has been active and continues to erupt. Volcanic ash has moved E to ESE away from the volcano and over the Bay of Campeche to the Yucatan coast, S of 21N. Visibility may be restricted in this area due to volcanic ashfall through at least 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. .OVERNIGHT...NE winds 5 to 10 kt after midnight. Seas 2 ft or less. Scattered showers and isolated tstms. .WED...S to SW winds 5 to 10 kt, shifting to W to NW in the afternoon. Seas 2 ft or less. Scattered showers and isolated tstms. .WED NIGHT...N winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .THU...NW to N winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .THU NIGHT...N to NE 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...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE to E winds 5 to 10 kt. Seas 3 to 5 ft. .SUN...N to NE winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...N to NE winds 5 to 10 kt. Seas 3 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...Elongated troughing extends from 24N73W to low pres 1008 mb 28N71W to 31N70W. The low center will move N-NE and reach just N of the area midday Wed where it will interact with a weak cold front approaching from the NW, then move well 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 pres 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 pres gradient between high pres 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 offshore Jacksonville, Florida Fri night. .OVERNIGHT...S of 27N, E winds 5 kt after midnight. N of 27N, NE to E winds 10 to 15 kt after midnight. Seas 3 to 5 ft. Scattered showers and isolated tstms. .WED...S to SW winds 5 to 10 kt S of 27N, and NE to E 5 to 10 kt N of 27N. Seas 3 to 5 ft. Scattered showers and isolated tstms. .WED NIGHT...SE to S winds 5 to 10 kt S of 27N, and E to SE 5 to 10 kt N of 27N. Seas 3 to 5 ft. Scattered showers and isolated tstms. .THU...S to SW winds 5 to 10 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .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...SW winds 5 to 10 kt. Seas 4 to 6 ft in N to NE swell. .SAT...SW winds 5 to 10 kt. Seas 4 to 6 ft in N to NE swell. .SAT NIGHT...S to SW winds 5 to 10 kt. Seas 4 to 6 ft in N to NE swell. .SUN...W to NW winds 5 to 10 kt. Seas 4 to 6 ft in NE swell. .SUN NIGHT...NE winds 5 to 10 kt, shifting to SW to W after midnight. Seas 3 to 5 ft in NE swell.