000 FZNT31 KNHC 262124 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 424 PM EST Tue Dec 26 2017 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...Expect strong trades over the Central and SW Caribbean through Thu night, with near gale force nocturnal winds near the coast of Colombia tonight and on Wed night. The pres gradient will relax on Fri night with fresh trades expected across the eastern Caribbean through the upcoming weekend. Fresh to locally strong NE winds are expected through the Windward Passage this evening. Large E swell, in the form of 7 to 9 ft seas, will reach the E Atlc passages this evening, and continue through Thu evening, then subside from the N with seas of 6-8 ft forecast across the tropical waters E of the Windwards from Fri through Sun. NW Caribbean W of 85W .TONIGHT...E winds 5 to 10 kt S of 17N W of 87W, and NE to E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED...S of 17N W of 87W, E to SE winds 5 to 10 kt, shifting to NE in the afternoon. Elsewhere, NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...N to NE winds 10 to 15 kt S of 17N W of 87W, and NE to E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N winds 5 to 10 kt. Seas 3 to 4 ft. .FRI NIGHT...N to NE winds 5 to 10 kt. Seas 3 ft. .SAT...N winds 5 to 10 kt. Seas 3 ft. .SAT NIGHT...N to NE winds 5 to 10 kt, shifting to E late. Seas 2 ft or less. .SUN...E to SE winds less than 5 kt. Seas 2 ft or less. .SUN NIGHT...E winds 10 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 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...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 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 .TONIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .WED...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .WED NIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 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. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 5 to 7 ft. .FRI NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .WED...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN 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 .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 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. .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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 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 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 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...A cold front stalling from 31N65W to the N Bahamas to the Straits of Florida will gradually weaken tonight with the frontal remnants lifting N as a weak warm front later tonight into Wed. A surface low will develop along the front near 31N79W by early Thu, and move E along 31N while dragging a new cold front SE through the central Bahamas. Another surface low will develop near 31N78W on Thu night, and race ENE passing N of Bermuda on Fri night. A weak pres pattern will be in place early Sat into early Sun, with high pres NE of the area supporting mainly moderate trades by Sun night. ATLC waters from 27N to 31N W of 77W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N of 29N W of 79W, NE winds less than 5 kt, becoming N 15 to 20 kt in the afternoon. Elsewhere, N to NE winds 5 to 10 kt. Seas 3 to 5 ft. .WED NIGHT...N to NE winds 15 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 15 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE to E winds 15 to 20 kt. Seas 7 to 10 ft. .FRI...NW to N winds 10 to 15 kt. Seas 7 to 8 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 6 to 7 ft. .SAT...NW to N winds 5 to 10 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds less than 5 kt. Seas 4 to 5 ft. .SUN...NE winds less than 5 kt, shifting to E to SE in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 5 to 7 ft. .WED NIGHT...N winds less than 10 kt. Seas 5 to 6 ft. .THU...W of 70W, NE winds 10 to 20 kt. Elsewhere, NW winds less than 10 kt, shifting to N in the afternoon. Seas 7 to 10 ft W of 70W, and 5 to 7 ft elsewhere. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...S winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .SAT NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .SUN...Variable winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. Bahamas N of 22N .TONIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft ATLC Exposures, and 2 ft or less elsewhere. .WED...NE to E winds 10 to 15 kt. ATLC Exposures, seas 3 to 5 ft. Elsewhere, seas 3 ft, subsiding to 2 ft or less. .WED NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 5 ft ATLC Exposures, and 2 ft or less elsewhere. .THU...NE to E winds 10 to 15 kt. Seas 4 to 6 ft ATLC Exposures, and 2 ft or less elsewhere. .THU NIGHT...NE to E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 5 to 10 kt. Seas 3 to 5 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 to E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...W of 70W, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds less than 10 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 5 to 7 ft. .THU...W of 70W, E winds less than 10 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .THU NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .FRI...SE winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds less than 10 kt, shifting to N after midnight. Seas 6 to 7 ft. .SAT...NE winds less than 10 kt. Seas 6 ft. .SAT NIGHT...E winds less than 10 kt. Seas 5 to 6 ft. .SUN...E winds 10 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .TONIGHT...NE to E winds 15 to 20 kt. Seas 4 to 6 ft. .WED...E winds 15 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 4 to 6 ft. .THU...E winds 15 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE to 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 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .WED...E winds 15 to 20 kt. Seas 8 to 9 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 8 ft. .THU...E winds 10 to 20 kt. Seas 7 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft.