000 FZNT25 KNHC 010259 OFFN04 NAVTEX Marine Forecast NWS National Hurricane Center Miami, FL 1059 PM EDT Fri Jul 31 2020 ...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...Hurricane Isaias is centered across the Central Bahamas near 23.3N 76.4W 987 mb at 0300 UTC moving NW at 13 kt. Maximum sustained winds 70 kt gusts 85 kt. Isaias will move through the Central and NW Bahamas tonight and Sat, then track northward and near the east coast of the Florida peninsula Sat afternoon through Sun night. Mainly gentle winds will prevail across the Gulf waters through early next week as weak high pressure persists over the northern Gulf. .OVERNIGHT...NE to E winds 15 to 20 kt after midnight. Seas 3 to 4 ft. Isolated tstms. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated tstms. .SAT NIGHT...N to NE winds 10 to 15 kt. Seas 3 ft. Scattered showers and isolated tstms. .SUN...NW to N winds 10 to 15 kt. Seas 2 ft or less. Scattered tstms. .SUN NIGHT...NW to N winds 10 to 15 kt. Seas 2 ft or less. Scattered tstms. .MON...N winds 5 to 10 kt. Seas 2 ft or less. .MON NIGHT...NE winds 5 to 10 kt. Seas 2 ft or less. .TUE...NE winds 5 to 10 kt. Seas 2 ft or less. .TUE NIGHT...E to SE winds 5 to 10 kt. Seas 2 ft or less. .WED...E winds 5 to 10 kt. Seas 2 ft or less. Within 200 nm east of the coast of Florida .SYNOPSIS...Hurricane Isaias is moving through the Central Bahamas tonight, centered near 23.3N 76.4W 987 mb at 0300 UTC moving NW at 13 kt. Maximum sustained winds 70 kt gusts 85 kt. Isaias will move through the NW Bahamas Sat morning, then begin to veer N-NW and move near the SE coast of Florida, reaching near 25.9N 79.1W Sat evening, then continue northward and just offshore of the east coast of Florida, reaching near 28.5N 80.5W Sun evening, then weaken to a tropical storm near 30.2N 80.5W Mon morning. Isaias will then accelerate and exit the area Mon afternoon. Very large seas in SE swell are expected over a large portion of the SW North Atlantic waters near and offshore of the Bahamas tonight into Sat. Swell associated with Isaias will spread northward across the waters W of 75W Sat night through Sun night, then move N of the region early next week. ...HURRICANE WARNING... .OVERNIGHT...HURRICANE CONDITIONS. S of 27N,NE winds 60 to 70 kt after midnight. N of 27N,E to SE winds 55 to 60 kt after midnight. Seas 3 to 11 ft in NE to E swell. Scattered showers and isolated tstms. .SAT...HURRICANE CONDITIONS EXPECTED. S of 27N,N winds 60 to 70 kt, shifting to SW to W in the afternoon. N of 27N,E to SE winds 45 to 50 kt. Seas 3 to 12 ft in NE swell. Scattered showers and isolated tstms. .SAT NIGHT...HURRICANE CONDITIONS EXPECTED. S of 27N,S winds 60 to 70 kt. N of 27N,E to SE winds 35 to 40 kt, increasing to 50 to 55 kt after midnight. Seas 3 to 14 ft in NE swell. Scattered showers and isolated tstms. .SUN...HURRICANE CONDITIONS EXPECTED. S of 27N,S winds 55 to 60 kt, diminishing to 15 to 20 kt in the afternoon. N of 27N,SE winds 55 to 70 kt. Seas 3 to 15 ft in NE to E swell. Scattered showers and isolated tstms. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. SE winds 15 to 20 kt S of 27N, and SE to S 55 to 65 kt N of 27N. Seas 3 to 15 ft in NE to E swell. Scattered showers and isolated tstms. .MON...TROPICAL STORM CONDITIONS POSSIBLE. .MON NIGHT...E to SE winds 10 to 15 kt S of 27N, and SE to S 15 to 20 kt N of 27N. Seas 3 to 7 ft in NE swell. .TUE...E to SE winds 5 to 10 kt S of 27N, and SE to S 10 to 15 kt N of 27N. Seas 3 to 5 ft. .TUE NIGHT...E to SE winds 10 to 15 kt S of 27N, and SE to S 10 to 15 kt N of 27N. Seas 3 to 5 ft. .WED...SE winds 5 to 10 kt. Seas 3 to 4 ft.