000 FZNT31 KNHC 080143 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 943 PM EDT Wed Apr 7 2021 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...High pressure north of the basin will continue to support fresh winds and moderate seas in the lee of Cuba, and the Windward Passage through early Thu. As high pressure shifts east, winds and seas will begin to diminish over the area. By the weekend, strong E to SE winds and building seas will return across the central and northwest Caribbean from the Gulf of Honduras through the Yucatan Channel with fresh to strong NE to E winds and building seas develop south of Hispaniola. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 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...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...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 5 to 7 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...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...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .OVERNIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 5 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...NE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .SUN...NE winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .MON...NE winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 15 to 20 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. .THU...E winds 10 to 20 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. .THU NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI...E winds 10 to 20 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. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...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...E 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 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .THU...E winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds less than 10 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...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, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...E 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 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 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A surface trough will linger the Atlantic to just north of Puerto Rico. Otherwise, high pressure east of central Florida will prevail. Winds and seas may increase east of Florida this weekend ahead of a cold front moving into the southeast U.S. with the front moving offshore early next week. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...S winds less than 10 kt. Seas 2 ft or less. .THU...SW winds less than 10 kt. Seas 3 ft. .THU NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .FRI...S winds 10 kt. Seas 3 to 4 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...SW winds 15 to 25 kt. Seas 6 to 8 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NW winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...W of 70W, W winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, NW winds 10 to 20 kt. Seas 3 to 5 ft W of 70W, and 7 to 10 ft elsewhere. .THU...W winds 10 to 20 kt. Seas 4 to 6 ft W of 70W, and 7 to 10 ft elsewhere. .THU NIGHT...W winds less than 10 kt W of 70W, and NW 10 to 20 kt elsewhere. Seas 4 to 6 ft W of 70W, and 6 to 9 ft elsewhere. .FRI...W of 70W, W winds less than 10 kt, shifting to NE in the afternoon. Elsewhere, N winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .SAT...E winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 6 to 8 ft. .SUN...S winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .MON...SW winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. Bahamas N of 22N .OVERNIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft Atlc Exposures, and 3 ft or less elsewhere. .THU...E to SE winds 10 kt. Seas 2 to 4 ft Atlc Exposures, and 3 ft or less elsewhere. .THU NIGHT...E winds 10 to 15 kt. Seas 2 to 4 ft Atlc Exposures, and 3 ft or less elsewhere. .FRI...E to SE winds 10 to 15 kt. Seas 2 to 4 ft Atlc Exposures, and 3 ft or less elsewhere. .FRI NIGHT...E to SE winds 15 to 20 kt. Seas 2 to 4 ft. .SAT...E to SE winds 10 to 15 kt. Seas 2 to 4 ft. .SAT NIGHT...SE winds 15 to 20 kt. Seas 2 to 4 ft. .SUN...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .SUN NIGHT...SE to S winds 10 to 15 kt. Seas 2 to 4 ft. .MON...S to SW winds 10 to 15 kt. Seas 2 to 4 ft. .MON NIGHT...W to NW winds 10 kt. Seas 3 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...NE winds less than 10 kt W of 70W, and N 10 to 15 kt elsewhere. Seas 3 to 5 ft W of 70W, and 6 to 8 ft elsewhere. .THU...NE winds less than 10 kt. Seas 3 to 5 ft W of 70W, and 6 to 8 ft elsewhere. .THU NIGHT...E winds less than 10 kt W of 70W, and N 10 to 15 kt elsewhere. Seas 3 to 5 ft W of 70W, and 6 to 8 ft elsewhere. .FRI...NE winds less than 10 kt W of 70W, and N 10 to 15 kt elsewhere. Seas 4 to 5 ft W of 70W, and 6 to 8 ft elsewhere. .FRI NIGHT...NE winds 10 kt. Seas 5 to 7 ft. .SAT...NE winds 10 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...S winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...SW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 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 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 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 4 to 6 ft. .MON...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...N winds less than 10 kt. Seas 5 to 6 ft. .THU...N winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...N winds 10 kt. Seas 6 to 8 ft. .FRI...N winds 10 kt. Seas 6 to 8 ft. .FRI NIGHT...N winds 10 kt. Seas 6 to 8 ft. .SAT...N winds 10 kt. Seas 6 to 8 ft. .SAT NIGHT...N winds 10 kt. Seas 6 to 8 ft. .SUN...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds less than 10 kt. Seas 6 to 8 ft. .MON...SE winds less than 10 kt. Seas 6 to 7 ft. .MON NIGHT...SE winds 10 kt. Seas 5 to 6 ft.