Offshore Forecast
Issued by NWS
Issued by NWS
866 FZNT25 KNHC 251531 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1131 AM EDT Wed Sep 25 2024 ...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...Hurricane Helene is near 21.6N 86.3W at 11 AM EDT, and is moving north-northwest at 9 kt. Maximum sustained winds are 70 kt with gusts to 85 kt, and the minimum central pressure is 979 mb. Helene will move to 23.0N 86.4W this evening, 25.7N 85.7W Thu morning, 29.7N 84.6W Thu evening, move inland and weaken to a tropical storm near 34.3N 85.0W Fri morning, and weaken to a tropical depression near 36.6N 86.9W Fri evening. Marine conditions will gradually improve across the Gulf waters beginning on Fri or Fri night. ...HURRICANE WARNING... .THIS AFTERNOON...TROPICAL STORM CONDITIONS. E to SE winds 35 to 45 kt. Seas 8 to 11 ft. Scattered showers and isolated tstms. .TONIGHT...HURRICANE CONDITIONS EXPECTED. E to SE winds 45 to 50 kt, becoming SE 80 to 90 kt after midnight. Seas 13 to 18 ft. Numerous showers and isolated tstms. Vsby 1 NM or less. .THU...HURRICANE CONDITIONS EXPECTED. S winds 75 to 95 kt. Seas 18 to 28 ft in S to SW swell. Numerous showers and isolated tstms. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SW winds 45 to 50 kt, diminishing to 25 to 30 kt after midnight. Seas 17 to 22 ft in SW swell, subsiding to 10 to 15 ft in SW to W swell after midnight. Numerous showers and scattered tstms. .FRI...SW winds 20 to 25 kt. Seas 8 to 11 ft in NW swell. Numerous showers and scattered tstms. .FRI NIGHT...S to SW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 5 to 10 kt. Seas 3 to 4 ft. .SUN...S winds 5 to 10 kt. Seas 3 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...Hurricane Helene is near 21.6N 86.3W at 11 AM EDT, and is moving north-northwest at 9 kt. Maximum sustained winds are 70 kt with gusts to 85 kt, and the minimum central pressure is 979 mb. Helene will move to 23.0N 86.4W this evening, 25.7N 85.7W Thu morning, 29.7N 84.6W Thu evening, move inland and weaken to a tropical storm near 34.3N 85.0W Fri morning, and weaken to a tropical depression near 36.6N 86.9W Fri evening. As Helene move across the eastern Gulf of Mexico, expect increasing winds and building across the waters just E of the Florida Peninsula. ...TROPICAL STORM WARNING... .THIS AFTERNOON...SE winds 20 to 25 kt S of 27N, and E to SE 15 to 20 kt N of 27N. Seas 3 to 5 ft. Scattered showers and isolated tstms. .TONIGHT...SE to S winds 25 to 30 kt S of 27N, and SE 20 to 25 kt N of 27N. Seas 4 to 6 ft in E swell. Scattered showers and isolated tstms. .THU...TROPICAL STORM CONDITIONS POSSIBLE. S of 27N, SE to S winds 25 to 30 kt. N of 27N, SE winds 20 to 25 kt, becoming SE to S 30 to 35 kt in the afternoon. Seas 5 to 7 ft in SE swell. Scattered showers and isolated tstms. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 27N, S winds 25 to 30 kt. N of 27N, SE to S winds 35 to 40 kt, becoming S 25 to 30 kt after midnight. Seas 6 to 9 ft in S swell. Scattered showers and isolated tstms. .FRI...S winds 20 to 25 kt. Seas 6 to 8 ft in S swell. Numerous showers and scattered tstms. .FRI NIGHT...SE to S winds 15 to 20 kt S of 27N, and S 15 to 20 kt N of 27N. Seas 4 to 6 ft in SE to S swell. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt S of 27N, and S to SW 10 to 15 kt N of 27N. Seas 3 to 4 ft. .SUN...E to SE winds 5 to 10 kt S of 27N, and SW to W 10 to 15 kt N of 27N. Seas 3 ft.