000 FZNT27 KNHC 180943 OFFN06 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 543 AM EDT Wed Aug 18 2021 ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed Coastal Waters Forecasts... .SYNOPSIS...Tropical Storm Grace over the northwest Caribbean Sea near 18.8N 80.9W 998 mb at 5 AM EDT moving W at 14 kt. Maximum sustained winds 55 kt gusts 65 kt. Grace will move to 19.3N 83.2W this afternoon, strengthen to a hurricane near 19.9N 86.4W late tonight with maximum sustained winds 75 kt guts 90 kt, and weaken to a tropical storm inland the northern Yucatan Peninsula Thu afternoon with maximum sustained winds 50 kt gusts 60 kt Grace will re-strengthen to a hurricane near 20.7N 93.4W Fri afternoon with maximum sustained winds 65 kt gusts 80 kt, reach to near 20.7N 96.8W late Fri night and move inland late Sat night. Winds and seas will begin to increase across the southeastern Gulf ahead of Grace today. These conditions will shift to west of 90W Thu through late Fri night. Northwest Gulf of Mexico .TODAY...SE to S winds 15 to 20 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 15 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 20 to 25 kt. Seas 6 to 8 ft. .FRI...SE winds 15 to 20 kt. Seas 5 to 9 ft. .FRI NIGHT...SE winds 15 to 20 kt. Seas 6 to 9 ft in mixed NE and SE swell. .SAT...E to SE winds 15 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E to SE winds 10 to 15 kt. Seas 5 to 7 ft. North Central and Northeast Gulf of Mexico .TODAY...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SE winds 15 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE to S winds 15 to 20 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt, shifting to SW after midnight. Seas 3 to 5 ft. .SAT...N to NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...W to NW winds 10 to 15 kt. Seas 3 to 4 ft.