Offshore Forecast
Issued by NWS
Issued by NWS
796 FZNT25 KNHC 252117 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 517 PM 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 22.5N 86.6W at 5 PM EDT, and is moving north at 10 kt. Maximum sustained winds are 75 kt with gusts to 90 kt, and the minimum central pressure is 978 mb. Helene will move to 24.1N 86.2W Thu morning, 27.4N 85.2W Thu afternoon, inland N of the area near 32.1N 84.6W Fri morning, and weaken as an extratropical cyclone near 37.1N 88.1W Sat morning. Marine conditions will gradually improve across the Gulf waters beginning on Fri or Fri night. ...HURRICANE WARNING... .TONIGHT...HURRICANE CONDITIONS. E to SE winds 50 to 55 kt, becoming SE 75 to 85 kt after midnight. Seas 12 to 17 ft, building to 17 to 22 ft after midnight. Numerous showers and isolated tstms. Vsby 1 NM or less. .THU...HURRICANE CONDITIONS EXPECTED. S winds 85 to 105 kt. Seas 20 to 30 ft in S to SW swell. Numerous showers and isolated tstms. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SW winds 50 to 55 kt, diminishing to 25 to 30 kt after midnight. Seas 15 to 25 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. .SUN NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. .MON...E to SE winds 5 to 10 kt. Seas 2 ft or less. Within 200 nm east of the coast of Florida .SYNOPSIS....Hurricane Helene is near 22.5N 86.6W at 5 PM EDT, and is moving north at 10 kt. Maximum sustained winds are 75 kt with gusts to 90 kt, and the minimum central pressure is 978 mb. Helene will move to 24.1N 86.2W Thu morning, 27.4N 85.2W Thu afternoon, inland near 32.1N 84.6W Fri morning, and weaken as an extratropical cyclone near 37.1N 88.1W Sat morning. As Helene continues to move across the eastern Gulf of Mexico tonight and Thu, expect increasing winds and building across the waters just E of the Florida Peninsula. ...TROPICAL STORM WARNING... .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 tstms. .THU...TROPICAL STORM CONDITIONS POSSIBLE. S of 27N, SE to S winds 30 to 35 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 winds 25 to 30 kt S of 27N, and SE to S 30 to 40 kt N of 27N. 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. 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. .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 10 to 15 kt N of 27N. Seas 3 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...E winds 5 to 10 kt S of 27N, and W 10 to 15 kt N of 27N. Seas 2 ft or less.