000 FZNT31 KNHC 070917 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 417 AM EST Wed Mar 7 2018 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 ATLC from 07N to 19N between 55W and 64W .SYNOPSIS...Large northerly swell propagating south through the northeastern Caribbean passages, and through the tropical waters east of the Lesser Antilles, will gradually subside through the remainder of this week. Fresh to strong trades will prevail across the south- central Caribbean through the upcoming weekend. NW Caribbean W of 85W .TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .THU...NE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. 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 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...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 20 kt S of 18N, and SE less than 10 kt elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...NE winds 10 to 20 kt S of 18N, and N less than 10 kt elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .THU...NE winds 10 to 20 kt S of 18N, and NE less than 10 kt elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .FRI...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 8 to 11 ft within 90 nm of coast of Colombia, and 5 to 7 ft elsewhere. .THU...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .THU NIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 13 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. SW Caribbean S of 11N .TODAY...N winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU...N winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...NE winds 10 to 15 kt. Seas 7 to 10 ft. .SUN NIGHT...N winds less than 10 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .TODAY...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .THU...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .THU NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...NE winds 10 to 15 kt. Seas 8 to 11 ft. .TONIGHT...E winds 10 to 15 kt. Seas 8 to 11 ft. .THU...E winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 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 20 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 7 to 10 ft. .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...Large northerly swell will continue across the open waters through mid-week. A cold front will move off Northeast Florida early this morning, with near gale force to minimal gale conditions developing north of 28N east of the front today. The front will reach from Bermuda to the Central Cuba on Thu morning, and reach from 27N65W to Hispaniola on Fri morning. A second cold front will move east across the waters north of the Bahamas on Thu, and merge with the first cold front across the tropical waters north of Puerto Rico late Fri. A third cold front will move into the NW waters this weekend. ATLC waters from 27N to 31N W of 77W .TODAY...W winds 20 to 30 kt. Seas 10 to 15 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 8 to 12 ft. .THU...NW winds 15 to 25 kt. Seas 8 to 10 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NW winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...S winds 20 to 30 kt. Seas 6 to 8 ft, building to 8 to 11 ft in the afternoon. .SUN NIGHT...W winds 20 to 25 kt. Seas 8 to 13 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .TODAY...SW winds 25 to 35 kt W of 70W, and SW 10 to 20 kt elsewhere. Seas 12 to 16 ft. .TONIGHT...W of 70W, W winds 15 to 25 kt, diminishing to 10 to 15 kt after midnight. Elsewhere, SW winds 15 to 25 kt. Seas 10 to 14 ft. .THU...W winds 15 to 25 kt. Seas 9 to 13 ft. .THU NIGHT...W winds 15 to 25 kt. Seas 9 to 12 ft. .FRI...W winds 15 to 25 kt. Seas 8 to 12 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 8 to 11 ft. .SAT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NW winds less than 10 kt, shifting to SW after midnight. Seas 6 to 9 ft. .SUN...S winds 10 to 15 kt, increasing to 15 to 25 kt in the afternoon. Seas 6 to 9 ft. .SUN NIGHT...SW winds 20 to 30 kt. Seas 9 to 14 ft. Bahamas N of 22N .TODAY...S winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .THU...W winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, S winds 10 to 20 kt. Elsewhere, Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 11 to 14 ft. .TONIGHT...W of 70W, SW winds 10 to 20 kt. Elsewhere, S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 9 to 12 ft. .THU...SW winds 10 to 20 kt. Seas 8 to 10 ft. .THU NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NW winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds less than 10 kt. Seas 6 to 8 ft. .SAT...N winds less than 10 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .TODAY...E winds less than 10 kt. Seas 7 to 10 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. .THU...SE winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. .FRI...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 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 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 11 to 15 ft. .TONIGHT...NE winds 10 kt. Seas 10 to 12 ft. .THU...E winds 10 kt. Seas 9 to 10 ft. .THU NIGHT...E winds 10 kt. Seas 7 to 9 ft. .FRI...SE winds 10 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds less than 10 kt. Seas 6 to 7 ft. .SAT...SE winds less than 10 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds less than 10 kt. Seas 6 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.