000 FZNT31 KNHC 010318 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1118 PM EDT Tue Mar 31 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...As high over the W Atlantic weakens and moves SE, winds and seas in the Caribbean will remain fairly tranquil through the week. A cold front will pass through the Yucatan Chanel Wed evening, then stall along 20N Thu, and dissipate by Fri. NW Caribbean W of 85W .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt, shifting to S in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 15 kt S of 18N, and SW less than 10 kt elsewhere. Seas 3 to 5 ft. .WED...S winds less than 10 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .WED NIGHT...S winds less than 10 kt, shifting to NE after midnight. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 15 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt within 90 nm of coast of Colombia, and NE less than 10 kt elsewhere. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt within 90 nm of coast of Colombia, and NE less than 10 kt elsewhere. Seas 3 to 4 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI...NE winds less than 10 kt. Seas 3 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .OVERNIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...N winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .THU...N winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...N winds 10 to 15 kt, shifting to NE after midnight. Seas 3 ft. .FRI...NE winds less than 10 kt. Seas 3 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...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...NE winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .THU...SE winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .FRI...S winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds less than 10 kt. Seas 5 to 7 ft. .SAT...S winds less than 10 kt. Seas 6 to 8 ft. .SAT NIGHT...S winds less than 10 kt. Seas 6 to 8 ft. .SUN...SE winds less than 10 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds less than 10 kt. Seas 6 to 9 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 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 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...I intensifying low pressure will move ENE off the South Carolina coast tonight, with a strong trailing cold front entering the basin later tonight. This front will race and be E of Bermuda and the Bahamas by Wed night, then be just N of Puerto Rico by Fri. Ahead of the front, SW gales will develop later tonight N of 28N and E of 77W, then expand E through late Wed. NW gales will also develop behind the front over the same area Wed and Wed night. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...SW winds 15 to 25 kt. Seas 6 to 9 ft. .WED...NW winds 20 to 30 kt. Seas 8 to 11 ft. .WED NIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft. .THU...N winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...N winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 kt. Seas 8 to 13 ft. .SUN...NE winds 10 to 15 kt. Seas 11 to 13 ft. .SUN NIGHT...E winds 10 kt. Seas 10 to 12 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .OVERNIGHT...SW winds 25 to 35 kt W of 70W, and SW 10 to 20 kt elsewhere. W of 70W, seas 5 to 6 ft, building to 6 to 9 ft after midnight. Elsewhere, seas 5 to 6 ft. .WED...W winds 20 to 30 kt W of 70W, and SW 20 to 30 kt elsewhere. W of 70W, seas 8 to 13 ft, building to 11 to 16 ft in the afternoon. Elsewhere, seas 6 to 9 ft, building to 10 to 15 ft in the afternoon. .WED NIGHT...NW winds 20 to 30 kt W of 70W, and W 20 to 30 kt elsewhere. Seas 12 to 17 ft. .THU...NW winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 10 to 15 ft W of 70W, and 13 to 18 ft elsewhere. .THU NIGHT...NW winds 15 to 25 kt. Seas 10 to 15 ft. .FRI...NW winds 15 to 25 kt. Seas 9 to 14 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 10 to 15 ft. .SAT...NW winds 15 to 25 kt. Seas 12 to 17 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 12 to 17 ft. .SUN...N winds 10 to 20 kt. Seas 12 to 16 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 11 to 14 ft. Bahamas N of 22N .OVERNIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .WED...W winds 10 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .THU...N winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 5 ft. .THU NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .FRI...N winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .SAT...NE winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...S winds 10 to 15 kt W of 70W, and SW less than 10 kt elsewhere. Seas 3 to 5 ft. .WED...SW winds 15 to 25 kt. Seas 6 to 9 ft. .WED NIGHT...NW winds 10 to 20 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 7 to 10 ft. .THU...NW winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft. .FRI...NW winds 10 to 15 kt. Seas 7 to 10 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 8 to 11 ft. .SAT...NW winds 10 to 20 kt. Seas 8 to 13 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 9 to 13 ft. .SUN...N winds 10 to 15 kt. Seas 10 to 13 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 11 to 12 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SW winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .FRI...N winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .SAT...N winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds less than 10 kt. Seas 6 to 8 ft. .SUN...N winds less than 10 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 5 to 6 ft. .WED...S winds less than 10 kt. Seas 5 to 6 ft. .WED NIGHT...S winds less than 10 kt. Seas 5 to 6 ft. .THU...S winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...S winds 10 kt. Seas 5 to 7 ft. .FRI...SW winds 10 to 15 kt. Seas 7 to 10 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 8 to 11 ft. .SAT...W winds 10 to 15 kt. Seas 9 to 11 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 9 to 11 ft. .SUN...W winds 10 to 15 kt. Seas 9 to 11 ft. .SUN NIGHT...NW winds less than 10 kt. Seas 9 to 10 ft.