000 FZNT31 KNHC 181524 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1024 AM EST Tue Feb 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...High pressure north of the area will support fresh to strong trades across the central Caribbean through Thu night, pulsing to gale force off the coast of Colombia each night. High pressure will weaken north of the area Thu night, helping to diminish winds Fri and Sat. Long-period N to NE swell will move across the Tropical N Atlantic waters through Thu, then subside Fri and Sat. NW Caribbean W of 85W .TODAY...E winds 10 to 20 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...E 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 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere. .TONIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere. .WED...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... ...GALE CONDITIONS POSSIBLE... .TODAY...E winds 20 to 30 kt. Seas 9 to 14 ft. .TONIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and E 20 to 30 kt elsewhere. Seas 10 to 15 ft. .WED...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 10 to 15 ft. .WED NIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 9 to 14 ft. .THU...NE winds 10 to 20 kt. Seas 8 to 13 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 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. SW Caribbean S of 11N .TODAY...NE winds 15 to 25 kt. Seas 9 to 14 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. .WED...NE winds 10 to 20 kt. Seas 10 to 15 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. .THU...NE winds 10 to 20 kt. Seas 9 to 14 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...N winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...N winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 5 to 6 ft. Caribbean between 64W and 72W .TODAY...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 7 to 10 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. .WED...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .WED 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 6 to 8 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .SAT...SE winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 4 to 6 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 7 to 10 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 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 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...High pressure along 30N will shift eastward mid-week ahead of a cold front moving off the SE U.S. coast Wed. The front will briefly stall over waters north of 28N Wed night and Thu, before a reinforcing cold front pushes it southward across the region Thu night through Sat night. Gale conditions are possible west of the front across the northern waters Thu night and Fri, with large N to E swell expected to impact much of the area by Fri night. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE... .TODAY...S winds 10 to 15 kt. Seas 4 ft. .TONIGHT...S winds 10 to 20 kt. Seas 4 to 5 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...S winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...W winds 10 to 20 kt, becoming N 20 to 30 kt after midnight. Seas 6 to 9 ft, building to 8 to 13 ft after midnight. .FRI...NE winds 20 to 30 kt. Seas 10 to 15 ft. .FRI NIGHT...NE winds 25 to 30 kt. Seas 14 to 17 ft. .SAT...NE winds 15 to 25 kt. Seas 10 to 15 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE... .TODAY...W of 70W, SE winds 10 to 15 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...S winds less than 10 kt. Seas 4 to 6 ft. .THU...SE winds less than 10 kt, shifting to S in the afternoon. Seas 6 to 8 ft. .THU NIGHT...NW winds 20 to 30 kt, increasing to 30 to 35 kt N of 30N late. Seas 7 to 10 ft, building to 10 to 15 ft N of 30N late. .FRI...N of 30N wind diminishing to 25 to 30 kt. Elsewhere N to NE winds 20 to 30 kt. Seas 12 to 16 ft N of 29N and 8 to 12 ft S of 29N. .FRI NIGHT...N winds 20 to 30 kt. Seas 11 to 16 ft. .SAT...NE winds 15 to 25 kt. Seas 11 to 15 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. Bahamas N of 22N .TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI...NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...SW winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft, building to 8 to 13 ft after midnight. .SAT...N winds 15 to 25 kt. Seas 8 to 13 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 9 to 13 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT...SE winds less than 10 kt, shifting to SW in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 20 kt. Seas 7 to 9 ft. .TONIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. .WED...E winds 15 to 20 kt. Seas 8 to 9 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .THU...E winds 15 to 20 kt. Seas 7 to 9 ft. .THU NIGHT...E winds 15 kt. Seas 7 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 kt. Seas 6 to 7 ft. .SAT...SE winds 10 kt. Seas 6 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming SE 10 kt after midnight. Seas 6 to 7 ft.