000 FZNT31 KNHC 080903 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 503 AM EDT Mon Oct 8 2018 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 22N between 55W and 64W, the SW N Atlantic S of 31N W of 65W including Bahamas, and the Caribbean Sea. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Synopsis for Caribbean Sea and Tropical N ATLC from 07N to 19N between 55W and 64W .SYNOPSIS...Tropical Storm Michael near 20.6N 85.5W 983 mb at 5 AM EDT moving N at 6 kt. Maximum sustained winds 60 kt gusts 75 kt. Michael will strengthen to a hurricane near 21.7N 85.6W this afternoon, move to 23.5N 86.1W Tue morning, 25.2N 86.7W Tue afternoon, 27.2N 86.7W Wed morning, and move inland and weaken to a tropical storm near 31.2N 84.5W Thu morning. Michael will move inland over 35.5N 77.5W early Fri, and become extratropical as it moves to the 40.5N 64.5W Sat. NW Caribbean W of 85W ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS. SW winds 50 to 65 kt. Seas 8 to 13 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. SW winds 55 to 65 kt, becoming S 35 to 45 kt after midnight. Seas 8 to 11 ft, subsiding to 5 to 7 ft after midnight. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. S winds 20 to 30 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .WED...S winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. .FRI...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. SE winds 15 to 25 kt S of 18N, and SE 50 to 60 kt elsewhere. Seas 3 to 4 ft S of 18N, and 6 to 9 ft elsewhere. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. S of 18N, SE winds 10 to 20 kt. Elsewhere, S winds 45 to 55 kt, becoming SE 30 to 40 kt after midnight. Seas 3 to 4 ft S of 18N, and 5 to 7 ft elsewhere. .TUE...SE winds 15 to 25 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .THU NIGHT...E winds 10 to 15 kt S of 18N, and NE less than 10 kt elsewhere. Seas 2 ft or less. .FRI...E winds 10 to 15 kt. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .TODAY...SE winds 10 to 15 kt. Seas 3 ft. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...Within 90 nm of coast of Colombia, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .WED...Within 90 nm of coast of Colombia, E winds 10 to 15 kt, shifting to SE in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 ft. .THU...Within 90 nm of coast of Colombia, S winds less than 10 kt, shifting to SW in the afternoon. Elsewhere, S winds less than 10 kt. Seas 3 ft. .THU NIGHT...Within 90 nm of coast of Colombia, SW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, SW winds less than 10 kt, shifting to NW after midnight. Seas 3 ft. .FRI...SE winds 10 to 15 kt. Seas 3 ft. SW Caribbean S of 11N .TODAY...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt, becoming N less than 10 kt after midnight. Seas 2 ft or less. .TUE...Variable winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...NW winds less than 10 kt. Seas 2 ft or less. .WED...W winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...W winds less than 10 kt. Seas 2 ft or less. .THU...W winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .THU NIGHT...W winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .FRI...SW winds 10 to 20 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .WED...NE winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .WED NIGHT...NE winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. .THU...Variable winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. .THU NIGHT...Gulf of Venezuela, Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. .FRI...S winds less than 10 kt Gulf of Venezuela, and SE 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 kt. Seas 4 to 6 ft. .FRI...E winds 10 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. Synopsis for the the SW N ATLC including the Bahamas .SYNOPSIS...Surface ridging will prevail across the area during the entire period. A surface trough north of Hispaniola will drift west-northwest across the Bahamas through Mon night. The pressure gradient between this trough and the ridge will support fresh to strong winds northeast of the northern Bahamas. Winds from Tropical Storm Michael may clip the waters offshore N Florida mid-week as the storm moves NE to the north of the area. ATLC waters from 27N to 31N W of 77W .TODAY...E winds 15 to 25 kt. Seas 6 to 8 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 9 ft. .TUE...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...SE winds 15 to 25 kt. Seas 7 to 10 ft. .WED...SE winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .THU...HURRICANE CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...SW winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...E winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .TUE...E winds 15 to 25 kt. Seas 8 to 11 ft W of 70W, and 6 to 8 ft elsewhere. .TUE NIGHT...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft W of 70W, and 6 to 7 ft elsewhere. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...S winds 10 to 20 kt. Seas 6 to 8 ft W of 70W, and 5 ft elsewhere. Bahamas N of 22N .TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...SE winds 15 to 25 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft. .TUE...E winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 20 kt. Seas 6 to 7 ft. .TONIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .WED...E winds 10 to 15 kt. Seas 6 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .THU...E winds 10 kt. Seas 6 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 7 ft.