


Offshore Forecast
Issued by NWS
Issued by NWS
586 FZNT25 KNHC 200323 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1123 PM EDT Tue Aug 19 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...A weak ridge will continue to dominate the Gulf waters the remainder of the week supporting light to gentle winds with slight seas. .OVERNIGHT...S of 24N, N to NE winds 10 kt in the late evening and early morning, becoming variable less than 5 kt. N of 24N, N winds 10 kt. Seas 2 to 4 ft. Isolated showers and thunderstorms. .WED...W to NW winds 10 kt. Seas 2 to 4 ft. Isolated showers and thunderstorms. .WED NIGHT...Variable winds less than 5 kt, becoming S to SW 10 kt early in the morning. Seas 2 to 4 ft. Isolated showers and thunderstorms. .THU...SW winds 10 kt. Seas 2 to 4 ft. Isolated showers and thunderstorms. .THU NIGHT...S of 24N, SE winds 10 kt. N of 24N, variable winds less than 5 kt, becoming S to SW 10 kt early in the morning. Seas 2 to 4 ft. .FRI...S to SW winds 10 kt in the late morning and early afternoon, becoming variable less than 5 kt. Seas 2 to 4 ft. .FRI NIGHT...E winds 10 kt S of 24N, and variable less than 5 kt N of 24N. Seas 2 to 4 ft. .SAT...S of 24N, E winds 10 kt early in the evening. Variable winds less than 5 kt in the late morning and early afternoon. N of 24N, variable less than 5 kt. Seas 3 ft or less. .SAT NIGHT...NE to E winds 10 kt S of 24N, and variable less than 5 kt N of 24N. Seas 2 to 4 ft. .SUN...E winds 10 kt S of 24N, and variable less than 5 kt N of 24N. Seas 2 to 4 ft or less. .SUN NIGHT...NE to E winds 10 kt S of 24N, and variable less than 5 kt N of 24N. Seas 2 to 4 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...Hurricane Erin is near 27.7N 73.0W at 11 PM EDT, and is moving north-northwest at 10 kt. Maximum sustained winds are 85 kt with gusts to 105 kt, and the minimum central pressure is 959 mb. Erin will gradually strengthen as it moves to near 29.3N 73.5W Wed morning, to near 31.6N 73.4W Wed evening with maximum sustained winds 95 kt gusts 115 kt, to near 33.8N 72.2W Thu morning with maximum sustained winds 100 kt gusts 120 kt, then begin to weaken as it moves well north-northeast of the region through the rest of the forecast period. Swells generated by Erin will affect the Bahamas, Bermuda and the east coast of the United States during the next several days. Otherwise, a tropical wave located over the central tropical Atlantic continues to produce a broad area of disorganized showers and thunderstorms. Environmental conditions appear conducive for gradual development of this system, and a tropical depression could form late this week or over the weekend while it moves near or to the north of the northern Leeward Islands. .OVERNIGHT...W to NW winds 10 to 15 kt S of 27N, and N 25 to 30 kt N of 27N. Seas 6 to 9 ft in NE to E swell. Scattered showers and isolated thunderstorms. .WED...W winds 10 to 15 kt S of 27N, and NW 20 to 30 kt N of 27N. Seas 8 to 11 ft in NE swell. Scattered showers and thunderstorms. .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. Scattered showers and thunderstorms. .THU...W winds 10 to 15 kt. Seas 5 to 7 ft. Scattered showers and thunderstorms. .THU NIGHT...SW to W winds 5 to 10 kt. Seas 4 to 6 ft in N to NE swell. .FRI...NW winds 5 to 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E to SE winds less than 5 kt, shifting to S after midnight. Seas 3 to 5 ft in N to NE swell. .SAT...S winds less than 5 kt. Seas 3 to 5 ft in N to NE swell. .SAT NIGHT...S winds 5 to 10 kt. Seas 3 to 5 ft in N to NE swell. .SUN...SW winds 5 to 10 kt. Seas 3 to 5 ft in N to NE swell. .SUN NIGHT...S to SW winds 5 to 10 kt. Seas 3 to 4 ft.