FZNT27 KNHC 071509 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1109 AM EDT Wed Oct 7 2026 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Tropical Storm Isaias is near 22.4N 93.6W, or about 230 nm west-nortwhest of Progreso, Mexico at 11 AM EDT. It is moving east-northeastward at 7 kt. Maximum sustained winds are 40 kt with gusts to 50 kt, and the minimum central pressure is 1000 mb. Isaias will move to near 22.7N 92.4W this evening with maximum sustained winds 50 kt gusts 60 kt, strengthen to a hurricane near 23.4N 90.8W Thu morning with maximum sustained winds 65 kt gusts 80 kt, and continue to strengthen as it nears 24.6N 89.2W Thu evening with maximum sustained winds 80 kt gusts 100 kt, then move to near 26.6N 88.1W Fri morning with maximum sustained winds 95 kt gusts 115 kt, move to near 29.2N 87.5W Fri evening, then inland and weaken to a tropical storm near 32.2N 87.6W Sat morning. Isaias will weaken to a tropical depression while moving farther inland to near 38.0N 87.5W early on Sun. Swells from Isaias are expected to spread across the most of the northern and central Gulf portions through Fri night. In the wake of Isaias, weak high pressure will be over the basin. Otherwise, a stationary front along the north- central and NE Gulf will gradually weaken through this evening. Northwest Gulf of America .THIS AFTERNOON...NE to E winds 15 to 20 kt. Seas 3 to 5 ft. Scattered showers and isolated thunderstorms. .TONIGHT...NE to E winds 20 to 25 kt. Seas 4 to 6 ft. .THU...NE winds 20 to 25 kt. Seas 5 to 7 ft. Scattered showers and isolated thunderstorms. .THU NIGHT...NE to E winds 25 to 30 kt. Seas 7 to 10 ft. Scattered showers and isolated thunderstorms. .FRI...NE winds 25 to 30 kt. Seas 8 to 12 ft. Scattered showers and isolated thunderstorms. .FRI NIGHT...NE winds 25 to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 10 to 15 ft in E swell. .SAT...N winds 10 to 15 kt. Seas 8 to 13 ft in E swell. .SAT NIGHT...NE to E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 5 to 10 kt. Seas 3 to 5 ft in NE to E swell. North Central and Northeast Gulf of America ...HURRICANE WARNING... .THIS AFTERNOON...NE winds 20 to 25 kt. Seas 4 to 6 ft. Scattered showers and isolated thunderstorms. .TONIGHT...NE to E winds 20 to 25 kt. Seas 5 to 7 ft. Scattered showers and isolated thunderstorms. .THU...E winds 25 to 30 kt. Seas 5 to 7 ft. Numerous showers and scattered thunderstorms. .THU NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE to E winds 25 to 30 kt, becoming E 50 to 55 kt late. Seas 6 to 9 ft. Numerous squalls and thunderstorms. .FRI...HURRICANE CONDITIONS POSSIBLE. E winds 80 to 90 kt. Seas 10 to 15 ft, building to 14 to 19 ft in the afternoon. Numerous squalls and thunderstorms. .FRI NIGHT...HURRICANE CONDITIONS POSSIBLE. Scattered showers and thunderstorms. .SAT...S winds 20 to 25 kt. Seas 11 to 16 ft in S to SW swell. .SAT NIGHT...S to SW winds 15 to 20 kt. Seas 8 to 13 ft in S swell. .SUN...S winds 15 to 20 kt. Seas 6 to 8 ft.