


Offshore Forecast
Issued by NWS
Issued by NWS
270 FZNT25 KNHC 181614 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1214 PM EDT Mon Aug 18 2025 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... Southeast Gulf of America .SYNOPSIS...Light to gentle winds and slight seas are expected over the Gulf of America this week as high pressure prevails over the northern Gulf into the southern United States. .THIS AFTERNOON...W to NW winds 5 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .TONIGHT...NE winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .TUE...NE winds 5 to 10 kt, shifting to NW to N in the afternoon. Seas 2 ft or less. Scattered showers and isolated tstms. .TUE NIGHT...N winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated tstms. .WED...NW winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...W winds 5 to 10 kt. Seas 2 ft or less. .THU...SW to W winds 5 to 10 kt. Seas 2 ft or less. .THU NIGHT...SW winds 5 to 10 kt. Seas 2 ft or less. .FRI...SW to W winds 5 to 10 kt. Seas 2 ft or less. Within 200 nm east of the coast of Florida .SYNOPSIS...Hurricane Erin is centered near 23.1N 70.8W at 18/1500 UTC or 100 nm N of Grand Turk Island, moving WNW at 9 kt. Estimated minimum central pressure is 935 mb. Maximum sustained wind speed is 120 kt with gusts to 145 kt. Erin will move to 24.2N 71.6W this evening, 25.7N 72.5W Tue morning, 27.4N 73.2W Tue evening, 29.5N 73.5W Wed morning, 31.7N 73.1W Wed evening, and 33.9N 71.6W Thu morning. Erin will change little in intensity as it moves to 37.7N 65.0W early Fri. Tropical storm conditions are expected today across the southeast Bahamas. Tropical storm conditions are possible in portions of the central Bahamas late today through Tuesday. Swells generated by Erin will affect the east coast of the United States during the next several days. These rough ocean conditions will likely cause life-threatening surf and rip currents. .THIS AFTERNOON...N to NE winds 15 to 20 kt. Seas 4 to 6 ft. Scattered showers and isolated tstms. .TONIGHT...N to NE winds 15 to 20 kt. Seas 6 to 9 ft. .TUE...NW to N winds 15 to 20 kt S of 27N, and N to NE 20 to 25 kt N of 27N. Seas 7 to 10 ft in E swell. Scattered showers and isolated tstms. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NW winds 15 to 20 kt S of 27N, and N 25 to 30 kt N of 27N. Seas 8 to 11 ft in NE to E swell. Scattered showers and isolated tstms. .WED...W winds 10 to 15 kt S of 27N, and NW 20 to 25 kt N of 27N. Seas 8 to 11 ft in NE swell. .WED NIGHT...W winds 10 to 15 kt S of 27N, and W to NW 20 to 25 kt N of 27N. Seas 7 to 10 ft in N to NE swell. .THU...W winds 10 to 15 kt S of 27N, and W to NW 15 to 20 kt N of 27N. Seas 6 to 9 ft. .THU NIGHT...W winds 5 to 10 kt. Seas 5 to 7 ft in N to NE swell. .FRI...NW winds 5 to 10 kt. Seas 4 to 6 ft in N to NE swell.