000 FZNT31 KNHC 040818 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 318 AM EST Thu Mar 4 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...A stationary front across the Yucatan Channel will weaken across the NW Caribbean through Fri. Fresh to occasionally strong winds will prevail in the southern Caribbean through Sun, with gentle to moderate winds expected elsewhere. Looking ahead, a cold front may move into the northwest Gulf Sat night and Sun, stall from the Windward Passage to Belize by Sun night, then dissipate Mon. NW Caribbean W of 85W .TODAY...Variable winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 10 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 2 to 3 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft. .SAT...SE winds less than 10 kt. Seas 2 to 3 ft. .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...NE winds 10 to 15 kt. Seas 2 to 3 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt S of 18N, and NW less than 10 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI...NE winds 10 kt. Seas 3 ft. .FRI NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, N winds less than 10 kt. Seas 2 to 3 ft. .SAT...SE winds less than 10 kt. Seas 3 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 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. .MON...NE winds 15 to 25 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 15 to 25 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 6 to 9 ft. .TONIGHT...NE winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 4 to 6 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .MON...NE winds 15 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. .MON...NE winds 15 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft, building to 8 to 13 ft after midnight. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 15 to 20 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 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 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 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 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 15 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 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 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front from 31N69W across the Bahamas to northern Cuba will weaken and stall from 24N65W to eastern Cuba on Fri. Strong SW winds to gale force will proceed the front over the waters north of 29N today. Looking ahead, a developing low pressure system will move rapidly from central Florida to Bermuda Sat night and Sun, possibly accompanied by winds to gale force, and dragging a cold front across the region Sun night and Mon. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 5 ft. .SAT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 20 to 30 kt. Seas 7 to 10 ft. .SUN...NE winds 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TODAY...N winds 10 to 20 kt W of 70W, and SW 20 to 35 kt elsewhere. Seas 8 to 13 ft, subsiding to 7 to 10 ft late. .TONIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...N winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...N winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 7 to 9 ft. .MON...N winds 10 to 20 kt. Seas 7 to 9 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Bahamas N of 22N .TODAY...NW winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...N winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .MON...NE winds 20 to 25 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 20 to 25 kt. Seas 6 to 8 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W winds 10 to 20 kt W of 70W, and SW 15 to 20 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...N winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...W winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .MON...NE winds 15 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 20 to 25 kt. Seas 9 to 12 ft. ATLC waters S of 22N W of 65W .TODAY...SW winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SW winds 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NE winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...SE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...SE 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 15 to 20 kt. Seas 6 to 8 ft. .SUN...SE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .MON...SE winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft.