


Offshore Forecast
Issued by NWS
Issued by NWS
318 FZNT25 KNHC 132045 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 445 PM EDT Wed Aug 13 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...The northern extension of a tropical wave is over the Yucatan Peninsula with scattered moderate convection in the area. This activity will follow the wave as it moves west through the Bay of Campeche tonight. Some tropical development is possible in the SW Gulf while the system moves WNW or NW, and there is a low chance of tropical formation over the next 7 days. Otherwise, gentle winds and slight seas are expected through the basin as weak high pressure dominates. .TONIGHT...SE winds 5 to 10 kt. Seas 2 ft or less. Isolated tstms. .THU...E winds 5 to 10 kt. Seas 2 ft or less. Chance of tstms. .THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. Chance of showers and isolated tstms. .FRI...NE to E winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .SAT...NE to E winds 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .SUN...E winds 5 to 10 kt. Seas 2 ft or less. .SUN NIGHT...NE to E winds 10 to 15 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...Tropical Storm Erin is near 16.3N 45.0W at 5 PM EDT, and is moving west at 15 kt. Maximum sustained winds are 45 kt with gusts to 55 kt, and the minimum central pressure is 1001 mb. Erin will move to 16.3N 47.2W Thu morning, 16.9N 50.1W Thu afternoon, strengthen to a hurricane near 17.6N 53.0W Fri morning, 18.4N 55.9W Fri afternoon, 19.3N 58.8W Sat morning, and 20.2N 61.4W Sat afternoon. Erin will change little in intensity as it moves to 22.2N 65.8W by Sun afternoon. Elsewhere, a weak pressure gradient will result in gentle to moderate winds and mainly slight seas through late week. .TONIGHT...E to SE winds 10 to 15 kt S of 27N, and SE to S 10 to 15 kt N of 27N. Seas 2 ft or less. .THU...SE winds 5 to 10 kt. Seas 2 ft or less. Slight chance of tstms. .THU NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. Chance of showers and isolated tstms. .FRI...E winds 10 to 15 kt S of 27N, and SE to S 5 to 10 kt N of 27N. Seas 2 ft or less. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less. .SAT...S of 27N, E winds 10 to 15 kt. N of 27N, SE winds 5 to 10 kt, shifting to NE in the afternoon. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...NE winds 5 to 10 kt. Seas 2 ft or less. .SUN NIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less. .MON...N to NE winds 5 to 10 kt. Seas 3 to 5 ft.