000 FZNT31 KNHC 230315 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1115 PM EDT Sat Aug 22 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 Marco centered near 22.8N 86.3W 996 mb at 11 PM EDT is moving NNW at 11 kt. Maximum sustained winds 55 kt gusts 65 kt. Marco will intensify to a hurricane near 24.3N 87.1W Sun morning with maximum sustained winds 65 kt gusts to 80 kt, reach to near 26.3N 87.9W Sun evening with maximum sustained winds 70 kt gusts 85 kt. Tropical Storm Laura centered near near 18.5N 69.7W 1003 mb at 11 PM EDT is moving WNW at 18 kt. Maximum sustained winds 45 kt gusts 55 kt. Laura will maintain intensity as it moves inland over the Dominican Republic to near 19.3N 72.3W Sun morning, inland to near 20.6N 76.0W Sun evening, inland to near 22.1N 79.6W Mon morning, then over the extreme southeastern Gulf of Mexico near 23.4N 83.0W Mon evening with maximum sustained winds 50 kt gusts to 60 kt. NW Caribbean W of 85W .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 30 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE 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 3 to 5 ft. .THU...E winds 15 to 25 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W ...TROPICAL STORM WARNING... .OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. S of 18N, NE winds 10 to 15 kt, shifting to SE 15 to 25 kt in the afternoon. Elsewhere, E winds 15 to 25 kt, increasing to 30 to 40 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 15 to 25 kt S of 18N, and E 25 to 35 kt elsewhere. Seas 3 to 5 ft. .MON...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 15 to 25 kt S of 18N, and S 20 to 30 kt elsewhere. Seas 4 to 6 ft. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 20 kt S of 18N, and SE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .TUE...E 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 5 to 7 ft S of 18N, and 3 to 5 ft elsewhere. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds less than 10 kt. Seas 3 ft. .SUN...SE winds less than 10 kt. Seas 3 ft. .SUN NIGHT...Within 90 nm of coast of Colombia, NE winds less than 10 kt, becoming E 10 to 20 kt after midnight. Elsewhere, E winds 10 to 20 kt. Seas 3 to 5 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...E 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 20 kt within 90 nm of coast of Colombia, and SE 15 to 25 kt elsewhere. Seas 4 to 6 ft. SW Caribbean S of 11N .OVERNIGHT...NW winds less than 10 kt. Seas 3 ft. .SUN...NW winds less than 10 kt, shifting to SW in the afternoon. Seas 2 ft or less. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming NW less than 10 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .TUE...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 10 to 15 kt Gulf of Venezuela, and SE 30 to 40 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .SUN...S winds 10 to 15 kt Gulf of Venezuela, and SE 20 to 30 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 5 to 7 ft elsewhere. .SUN 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 ft after midnight. Elsewhere, seas 4 to 6 ft. .MON...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .MON NIGHT...Gulf of Venezuela, NE winds 15 to 25 kt, diminishing to 10 to 15 kt after midnight. Elsewhere, E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 4 to 6 ft. .WED 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 4 ft after midnight. Elsewhere, seas 4 to 6 ft. .THU...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 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 4 to 6 ft. .WED...E winds 10 to 15 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 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Storm Laura centered near near 18.5N 69.7W 1003 mb at 11 PM EDT is moving WNW at 18 kt. Maximum sustained winds 45 kt gusts 55 kt. Laura will maintain intensity as it moves inland over the Dominican Republic to near 19.3N 72.3W Sun morning, inland to near 20.6N 76.0W Sun evening, inland to near 22.1N 79.6W Mon morning, then over the extreme southeastern Gulf of Mexico near 23.4N 83.0W Mon evening with maximum sustained winds 50 kt gusts to 60 kt. Otherwise, relatively weak high pressure will be over the area. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 5 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...SE winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 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...SE winds 10 to 15 kt. Seas 4 ft. .THU...SE winds 10 kt. Seas 4 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and 5 to 6 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and 4 to 6 ft elsewhere. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft W of 70W, and 5 ft elsewhere. .TUE...E winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. Seas 4 to 5 ft. .WED...NE winds less than 10 kt W of 70W, and W 10 to 15 kt elsewhere. Seas 4 to 5 ft. .WED NIGHT...W of 70W, NE winds less than 10 kt, shifting to SE after midnight. Elsewhere, W winds 10 to 15 kt. Seas 4 to 5 ft. .THU...W of 70W, SE winds less than 10 kt. Elsewhere, W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 5 ft. Bahamas N of 22N ...TROPICAL STORM WARNING... .OVERNIGHT...E winds 15 to 25 kt. Seas 3 to 4 ft. .SUN...E winds 20 to 30 kt. Seas 4 to 6 ft. .SUN NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt. Seas 6 to 9 ft. .MON...TROPICAL STORM CONDITIONS EXPECTED. SE winds 30 to 40 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 20 to 30 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds 20 to 30 kt. Seas 8 to 11 ft. .SUN...E winds 20 to 30 kt. Seas 8 to 13 ft W of 70W, and 8 to 11 ft elsewhere. .SUN NIGHT...E winds 20 to 30 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 8 to 13 ft W of 70W, and 6 to 8 ft elsewhere. .MON...E winds 10 to 20 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 7 to 10 ft W of 70W, and 5 to 6 ft elsewhere. .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 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. E winds 25 to 35 kt. Seas 10 to 15 ft. .SUN...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt. Seas 10 to 18 ft. .SUN NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt. Seas 10 to 17 ft. .MON...E winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 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. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 ft. .MON...E winds 10 to 20 kt. Seas 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU...E winds 10 to 15 kt. Seas 5 to 6 ft.