000 FZNT31 KNHC 180809 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 309 AM EST Sat Jan 18 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...The pressure gradient between strong high pressure centered over the SE U.S. coast and low pressure over NW Colombia will continue to support gales off the coast of Colombia through Sun morning, with gale force winds again pulsing Sun night. This gradient will tighten further as the high surges south through tonight, leading to strong to near gale force winds over much of the central and northeast Caribbean into Sun. For most areas, winds and seas will diminish Mon and Tue, but a cold front will move into the NW Caribbean Mon evening, bringing strong N winds to areas W of 80W into Tue night. NW Caribbean W of 85W .TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .MON...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 8 to 13 ft S of 18N, and 6 to 9 ft elsewhere. .SUN...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 8 to 11 ft S of 18N, and 5 to 7 ft elsewhere. .SUN NIGHT...E winds 10 to 20 kt S of 18N, and NE less than 10 kt elsewhere. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere. .MON...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... .TODAY...E winds 25 to 35 kt. Seas 11 to 16 ft. .TONIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and E 20 to 30 kt elsewhere. Seas 11 to 16 ft. .SUN...E winds 25 to 30 kt within 90 nm of coast of Colombia, and E 20 to 30 kt elsewhere. Seas 11 to 16 ft. .SUN NIGHT...E winds 25 to 30 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 11 to 14 ft within 90 nm of coast of Colombia, and 8 to 13 ft elsewhere. .MON...NE winds 15 to 25 kt. Seas 8 to 11 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds less than 10 kt. Seas 4 to 5 ft. .WED NIGHT...NE winds 10 kt. Seas 4 to 5 ft. SW Caribbean S of 11N ...GALE WARNING... .TODAY...NE winds 20 to 30 kt. Seas 11 to 16 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 11 to 16 ft. .SUN...NE winds 10 to 20 kt. Seas 10 to 15 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 8 to 12 ft. .MON...N winds 10 to 15 kt. Seas 8 to 11 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .TUE...N winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...N winds 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .SUN...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 8 to 11 ft elsewhere. .SUN NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft, building to 9 to 14 ft after midnight. .SUN...E winds 15 to 25 kt. Seas 10 to 15 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 10 to 15 ft. .MON...E winds 10 to 20 kt. Seas 8 to 13 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .TUE...E winds 10 to 15 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 13 ft. .MON...E winds 10 to 20 kt. Seas 8 to 13 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .TUE...E winds 10 to 15 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extends from around 22N65W to the Turks and Caicos Islands and into the Florida Straits. This front will stall over the Greater Antilles by this evening, then dissipate Sun. In its wake, strong northerly winds, some near gale force, will result, with large seas in northerly swell expected through Mon. Another cold front will move off the SE U.S. coast Sun afternoon, then SE across the area through mid-week. Strong to near gale force N winds and building seas will follow in behind this front over the NW waters early next week. ATLC waters from 27N to 31N W of 77W .TODAY...SE winds 15 to 20 kt. Seas 8 to 12 ft. .TONIGHT...S winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...SW winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .MON...N winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .WED...NE winds 15 to 25 kt. Seas 9 to 14 ft. .WED NIGHT...NE winds 20 to 25 kt. Seas 10 to 12 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE WED NIGHT... .TODAY...E winds 10 to 20 kt. Seas 10 to 15 ft W of 70W, and 13 to 18 ft elsewhere. .TONIGHT...SE winds 10 to 20 kt. Seas 9 to 12 ft W of 70W, and 11 to 14 ft elsewhere. .SUN...S winds 10 to 20 kt. Seas 8 to 12 ft. .SUN NIGHT...SW winds 10 to 20 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 7 to 10 ft. .MON...W winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NW winds 10 to 15 kt. Seas 6 to 9 ft. .TUE...N winds 10 to 15 kt. Seas 6 to 7 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...NE winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 20 to 30 kt. Seas 9 to 14 ft. Bahamas N of 22N .TODAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .MON...E winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...N winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NE winds 15 to 25 kt. Seas 12 to 17 ft. .TONIGHT...E winds 10 to 20 kt. Seas 11 to 15 ft. .SUN...SE winds 10 to 15 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 9 to 12 ft W of 70W, and 11 to 14 ft elsewhere. .SUN NIGHT...SE winds 10 to 15 kt. Seas 8 to 12 ft. .MON...S winds less than 10 kt. Seas 7 to 10 ft. .MON NIGHT...SW winds less than 10 kt. Seas 6 to 8 ft. .TUE...W winds less than 10 kt. Seas 5 to 6 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 5 to 7 ft. .WED...W winds less than 10 kt, shifting to NW in the afternoon. Seas 6 to 8 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W .TODAY...NE winds 15 to 25 kt. Seas 7 to 10 ft, building to 9 to 14 ft in the afternoon. .TONIGHT...E winds 15 to 25 kt. Seas 10 to 15 ft. .SUN...E winds 10 to 20 kt. Seas 9 to 14 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .MON...E winds 10 to 15 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...SE winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds less than 10 kt, shifting to SW after midnight. Seas 4 to 6 ft. .WED...W winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds less than 10 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...N winds 15 to 25 kt. Seas 6 to 9 ft, building to 8 to 13 ft in the afternoon. .TONIGHT...NE winds 15 to 25 kt. Seas 10 to 15 ft, building to 14 to 16 ft after midnight. .SUN...E winds 20 to 25 kt. Seas 13 to 16 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 12 to 15 ft. .MON...E winds 10 to 20 kt. Seas 10 to 13 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 8 to 11 ft. .TUE...SE winds 10 to 15 kt. Seas 7 to 9 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...SE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft.