000 FZNT25 KNHC 161519 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1119 AM EDT Wed Aug 16 2017 ...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...A weak Atlantic ridge extending westward along 27N and into the central Gulf will persist through Fri. Moderate to locally fresh Southerly flow across the W half of basin will continue through tonight, then begin to diminish late on Thursday through Saturday as the ridge slowly lifts northward. .THIS AFTERNOON...NE to E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .THU...NE to E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .THU NIGHT...NE to E winds 5 to 10 kt. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .FRI...NE to E winds 5 to 10 kt. Seas 2 ft or less. .FRI NIGHT...NE to E winds 10 to 15 kt. Seas 2 ft or less. .SAT...E winds 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...E winds 5 to 10 kt. Seas 2 ft or less. .SUN NIGHT...E winds 15 to 20 kt. Seas 2 ft or less, building to 3 ft after midnight. Within 200 nm east of the coast of Florida .SYNOPSIS...Ridge has become more established along 27N. The ridge will shift N to near 28N Thursday through Friday, to 29N on Saturday and to along 31N on Sunday. The northern portion of a tropical wave located over the far SE waters will move across the remainder of the far southern waters through Friday. Fresh to locally strong easterly winds will accompany the wave. A stronger tropical wave or low pressure system is expected to move across the same waters beginning late on Saturday, and reach the waters near the SE Bahamas on Sunday. .THIS AFTERNOON...E to SE winds 10 to 15 kt S of 27N, and S to SW 5 to 10 kt N of 27N. Seas 2 ft or less. Scattered showers and isolated thunderstorms. .TONIGHT...E to SE winds 10 to 15 kt S of 27N, and S 5 to 10 kt N of 27N. Seas 2 ft or less. Slight chance of thunderstorms. .THU...E winds 10 to 15 kt S of 27N, and S 5 to 10 kt N of 27N. Seas 2 ft or less. .THU NIGHT...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...E to SE winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...E to SE winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft. .SUN...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E to SE winds 15 to 20 kt. Seas 3 to 4 ft.