000 FZNT25 KNHC 310930 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 530 AM EDT Wed Oct 31 2018 ...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...Winds and seas have begun to increase overnight across the Gulf as return flow prevails across most of the basin. A strong cold front is expected to move off the Texas coast early Thu with strong S to SW wind flow ahead of it, and gale-force wind gusts. The front will reach from the mouth of the Mississippi River to near Veracruz, Mexico Thu evening, from near Tampa Bay to the central Yucatan Peninsula Fri evening, then stall across the Straits of Florida to Cancun, Mexico Sat morning before drifting NW through Sun. Squalls and strong thunderstorms are expected ahead of the front tonight through Thu. .TODAY...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E to SE winds 15 to 20 kt. Seas 3 to 5 ft. .THU...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...S winds 15 to 20 kt. Seas 3 to 5 ft. Isolated showers. .FRI...S winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...W to NW winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 ft. Within 200 nm east of the coast of Florida .SYNOPSIS...An old and weakening cold front extends from 24N65W through the Windward Passage and is drifting SE, while a reinforcing cold front extends from near 28N65W through the NW Bahamas to the NW coast of Cuba. These fronts will move slowly SE and become aligned E to W and merge along 20N-21N by Friday evening as strong high pressure to the N shifts eastward along 33N. Moderate swell associated with the exiting Hurricane Oscar over the central Atlc will affect waters E of the Bahamas through Thu. Another cold front will move offshore of northern Florida early Sat with strong southerly flow ahead of it Fri. the front is expected to weaken and stall from near 31N73W to the Florida Keys Sat evening before shifting NW Sat night through Sun. .TODAY...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 15 to 20 kt S of 27N, and E to SE 15 to 20 kt N of 27N. Seas 4 to 6 ft. Scattered showers. .THU...SE winds 10 to 15 kt S of 27N, and SE 15 to 20 kt N of 27N. Seas 4 to 6 ft. Scattered showers. .THU NIGHT...SE winds 10 to 15 kt S of 27N, and SE to S 15 to 20 kt N of 27N. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .FRI...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds 15 to 20 kt. Seas 3 to 5 ft. .SAT...S to SW winds 15 to 20 kt, shifting to N to NE 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft.