000 FZNT31 KNHC 020923 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 523 AM EDT Sun Aug 2 2020 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 Atlantic from 07N to 19N between 55W and 64W .SYNOPSIS...Tropical Storm Isaias is centered across the NW Bahamas near 26.3N 79.4W 997 mb at 5 AM EDT moving NW at 8 kt. Maximum sustained winds 55 kt gusts 65 kt. Isaias will move N-NW and away from the region through Mon, and very near to along the east coast of Florida. Fresh trade winds will persist over the central Caribbean waters through the middle of next week. A tropical wave will bring increased winds and seas to the Tropical N Atlantic waters N of 15N and E of 65W tonight through Mon. NW Caribbean W of 85W .TODAY...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 3 to 4 ft. .TONIGHT...E winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...SE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...NE winds less than 10 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TUE...E winds 10 to 20 kt. S of 18N, seas 5 to 7 ft. Elsewhere, seas 2 ft or less, building to 3 ft in the afternoon. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 to 5 ft elsewhere. .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 20 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 15 to 25 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .THU...E winds 15 to 25 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TODAY...N winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .TUE...NE winds less than 10 kt, shifting to SE in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming NW less than 10 kt after midnight. Seas 3 to 4 ft. .WED...N winds less than 10 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .WED NIGHT...Variable winds less than 10 kt, becoming W less than 10 kt after midnight. Seas 3 to 4 ft. .THU...NW winds less than 10 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .MON NIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Gulf of Venezuela, seas 2 ft or less, building to 3 to 4 ft after midnight. Elsewhere, seas 5 to 7 ft. .TUE...Gulf of Venezuela, SE winds 10 to 15 kt, shifting to SW in the afternoon,Seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, SE winds 10 to 20 kt,Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Gulf of Venezuela, seas 2 ft or less, building to 3 to 5 ft after midnight. Elsewhere, seas 5 to 7 ft. .WED...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .WED NIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...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 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 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 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 20 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Storm Isaias is centered across the NW Bahamas near 26.3N 79.4W 997 mb at 5 AM EDT moving NW at 8 kt. Maximum sustained winds 55 kt gusts 65 kt. Isaias will begin to veer more N-NW today as it moves along and very near the east coast of Florida, reaching near 28.8N 80.6W Sun night, and near 33.7N 79.1W Mon night. Large seas will persist today near and offshore of the Bahamas, then spread northward across the waters W of 75W through Mon. Low pressure developing along the N portion of a tropical wave is expected to become better organized as it approaches the SE waters tonight and could become the next tropical cyclone early this week as it moves NW across the outer waters. ATLC waters from 27N to 31N W of 77W ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. SE winds 40 to 50 kt. Seas 8 to 13 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 35 to 45 kt. Seas 9 to 14 ft. .MON...TROPICAL STORM CONDITIONS EXPECTED. S winds 45 to 55 kt. Seas 9 to 14 ft. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. S winds 30 to 40 kt, diminishing to 20 to 30 kt after midnight. Seas 8 to 13 ft, subsiding to 7 to 10 ft after midnight. .TUE...S winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .WED...S winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. .THU...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...SE winds 15 to 25 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 6 to 8 ft W of 70W, and 5 ft elsewhere. .TONIGHT...SE winds 15 to 25 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 6 to 8 ft W of 70W, and 4 to 6 ft elsewhere. .MON...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .MON NIGHT...SE winds 20 to 30 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 5 to 7 ft. .TUE...SE winds 15 to 25 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 5 to 6 ft. .WED...S winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .THU...W of 70W, SW winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt, shifting to S in the afternoon. Seas 3 to 4 ft. Bahamas N of 22N ...TROPICAL STORM WARNING... .TODAY...TROPICAL STORM CONDITIONS. SE winds 40 to 50 kt, diminishing to 30 to 40 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...SE winds 15 to 25 kt. Seas 3 to 5 ft. .MON...SE winds 15 to 25 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .THU...SE winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 15 to 25 kt. Seas 6 to 7 ft. .TONIGHT...E winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 6 to 7 ft. .MON...SE winds 10 to 20 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 6 to 7 ft. .MON NIGHT...SE winds 10 to 15 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 6 to 8 ft. .TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...W of 70W, SE winds 10 to 15 kt. Elsewhere, SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 15 to 25 kt. Seas 4 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .MON...SE winds 15 to 25 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 ft.