000 FZNT31 KNHC 011424 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1024 AM EDT Wed Apr 1 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 pressure over the W Atlantic weakens and moves SE, winds and seas in the Caribbean will remain fairly tranquil through the rest of the week. A cold front will pass through the Yucatan Channel by this evening, then stall along 20N Thu and dissipate by Fri. Winds will freshen through the Windward Passage and in the lee of Cuba Fri night through the weekend. NW Caribbean W of 85W .THIS AFTERNOON...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 ft. .THU...SE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...S winds less than 10 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...SE winds less than 10 kt, shifting to NE after midnight. Seas 3 to 4 ft, subsiding to 2 ft or less. .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. 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 .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 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 10 to 15 kt within 90 nm of coast of Colombia, and NE less than 10 kt elsewhere. 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 .THIS AFTERNOON...N winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .THU...NE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds less than 10 kt. 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 .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...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 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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, diminishing to less than 10 kt in the afternoon. 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 .THIS AFTERNOON...E winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...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 9 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 .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 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...A strong cold front extends from near 31N73W across the NW Bahamas to the Straits of Florida. Intensifying low pressure off the Mid-Atlantic coast will pull this front across the waters today through Thu night. Gale force SW winds and very large seas will prevail ahead of the front N of 27N through this evening, followed by W to NW gales tonight across the far northern waters behind the front. Gale force winds may develop over the far NE portion Fri into early Sat as the associated low pressure system dives SE and passes just north of the forecast waters. Northerly swell will produce large seas across the SW N Atlantic waters through the weekend. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NW winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .THU...N winds 10 to 20 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...N winds 10 to 15 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 8 to 13 ft. .SUN...NE winds 10 kt. Seas 10 to 13 ft. .SUN NIGHT...E winds less than 10 kt. Seas 9 to 12 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... ...GALE CONDITIONS POSSIBLE FRI INTO SAT... .THIS AFTERNOON...W winds 25 to 35 kt. W of 70W, seas 11 to 16 ft. Elsewhere, seas 8 to 11 ft, building to 10 to 15 ft in the afternoon. .TONIGHT...N of 29N, W to NW winds 25 to 35 kt. Elsewhere, W to NW winds 20 to 30 kt. Seas 12 to 17 ft. .THU...NW winds 15 to 25 kt W of 70W, and NW 20 to 30 kt elsewhere. Seas 10 to 15 ft W of 70W, and 13 to 18 ft elsewhere. .THU NIGHT...NW winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 8 to 12 ft W of 70W, and 11 to 16 ft elsewhere. .FRI...NW winds 15 to 25 kt, increasing to 25 to 35 kt late over NE portion. Seas 9 to 14 ft. .FRI NIGHT...NW winds 20 to 30 kt, except 25 to 35 kt over NE portion. Seas 11 to 16 ft. .SAT...NW winds 15 to 25 kt. Seas 12 to 17 ft. .SAT NIGHT...N winds 15 to 25 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 .THIS AFTERNOON...W winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...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...N 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. Seas 5 to 7 ft. .SUN...NE winds less than 10 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SW winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...W winds 15 to 25 kt W of 70W, and SW 10 to 20 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 8 to 11 ft. .FRI...NW winds 10 to 15 kt. Seas 8 to 11 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 8 to 12 ft. .SAT...NW winds 10 to 20 kt. Seas 8 to 13 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 9 to 14 ft. .SUN...N winds 10 to 15 kt. Seas 11 to 14 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 10 to 12 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...S winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...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...N winds less than 10 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...S winds less than 10 kt. Seas 5 to 6 ft. .TONIGHT...S winds less than 10 kt. Seas 5 to 6 ft. .THU...S winds 10 to 15 kt. Seas 4 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 11 ft.