000 FZNT25 KNHC 230945 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 545 AM EDT Sun Aug 23 2020 ...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...Tropical Storm Marco centered near 23.7N 87.0W 994 mb at 5 AM EDT is moving NNW at 11 kt. Maximum sustained winds 60 kt gusts 75 kt. Marco will intensify to a hurricane near 25.3N 87.6W this afternoon with maximum sustained winds 65 kt gusts to 80 kt, reach to near 27.3N 88.6W late tonight. Marco will maintain intensity as it reaches to near 29.0N 89.7W Mon afternoon and move inland and weaken to a tropical depression near 30.5N 93.1W Tue afternoon and move inland to near 31.0N 95.0W early on Wed and dissipate early on Thu. Tropical Storm Laura currently over Hispaniola will move across western Cuba Mon afternoon, then begin to gradually intensify as it moves over the southeastern Gulf of Mexico near 23.5N 84.2W late Mon night. Laura is forecast to reach near 24.9N 87.0W Tue afternoon with maximum sustained winds 60 kt gusts 75 kt, to near 26.4N 89.4W late Tue night with maximum sustained winds 75 kt gusts 90 kt and move inland near 29.9N 92.5W by late Wed night with maximum sustained winds 85 kt gusts 105 kt. Atlantic high pressure will build westward over the eastern Gulf in the wake of Laura. ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. E to SE winds 30 to 35 kt, becoming SE 40 to 45 kt in the afternoon. Seas 9 to 14 ft. Scattered showers and isolated thunderstorms. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 25 to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 3 to 9 ft. Scattered showers and isolated thunderstorms. .MON...TROPICAL STORM CONDITIONS EXPECTED. E to SE winds 20 to 25 kt, becoming E 30 to 35 kt in the afternoon. Seas 8 to 12 ft. Scattered showers and isolated thunderstorms. .MON NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 35 to 45 kt. Seas 10 to 17 ft. Scattered showers and isolated thunderstorms. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. E to SE winds 45 to 55 kt. Seas 14 to 21 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...E to SE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E to SE winds 15 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...Tropical Storm Laura centered near 18.8N 70.9W 1005 mb at 5 AM EDT is moving WNW at 16 kt. Maximum sustained winds 40 kt gusts 50 kt. Laura will maintain intensity as it moves inland over Haiti to the Windward Passage near 19.8N 73.7W this afternoon, inland eastern Cuba near 20.9N 77.5W late tonight, inland western Cuba to near 22.2N 81.1W Mon afternoon, then begin to gradually intensify as it moves over the southeastern Gulf of Mexico near 23.5N 84.2W late Mon night. Otherwise, relatively weak high pressure will be over the area. ...TROPICAL STORM WARNING... .TODAY...E to SE winds 20 to 25 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S of 27N, E to SE winds 20 to 25 kt, increasing to 30 to 35 kt after midnight. N of 27N, E to SE winds 15 to 20 kt. Seas 5 to 7 ft S of 27N, and 6 to 8 ft N of 27N. Scattered to numerous showers and thunderstorms S of 27N. .MON...TROPICAL STORM CONDITIONS EXPECTED. SE winds 30 to 35 kt S of 27N, and E to SE 30 to 35 kt N of 27N. Seas 7 to 10 ft. Scattered to numerous showers and thunderstorms S of 27N. .MON NIGHT...E to SE winds 25 to 30 kt S of 27N, and E to SE 15 to 20 kt N of 27N. Seas 3 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E to SE winds 10 to 15 kt. Seas 3 to 4 ft.