000 FZNT31 KNHC 030331 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1031 PM EST Tue Jan 2 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...A cold front extending from W central Cuba across the Cayman Islands to NE Honduras will shift SE and begin to become ill defined as it moves from central Cuba to W Coast Rica through Thu. A broad area of low pressure will develop near 11N79W Wed night. Reinforcing cold air will support fresh to strong northerly winds W of 80W spilling into SW Caribbean Wed night through Sat...with large seas building across the waters from E of Nicaragua to N coast of Panama. NW Caribbean W of 85W .TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...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 4 to 6 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 15 to 25 kt S of 18N, and N 10 to 20 kt elsewhere. Seas 5 to 7 ft. .THU...NE winds 15 to 25 kt S of 18N, and N 10 to 20 kt elsewhere. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NE winds 15 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .SAT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft within 90 nm of coast of Colombia, and 6 to 9 ft elsewhere. .THU...E winds 10 to 15 kt within 90 nm of coast of Colombia, and NE 20 to 30 kt elsewhere. Seas 3 to 5 ft within 90 nm of coast of Colombia, and 6 to 9 ft elsewhere. .THU NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...NE 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. SW Caribbean S of 11N .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...W winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NW winds 15 to 25 kt. Seas 6 to 8 ft. .THU...N winds 15 to 25 kt. Seas 6 to 8 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 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 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...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 7 to 10 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 20 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 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 7 to 10 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A strong cold front from 28N65W through the N Bahamas and Andros Island to low pres near 24N81W 1015 mb to W central Cuba will drift slowly SE and stall overnight. The low will move slowly N-NE overnight then begin to accelerate and deepen rapidly Wed through Wed night with gale to storm force winds developing W and SW of the low. Strong to near gale force NW winds will dominate much of the waters W of 70W through Thu as the low deepens across the NW Atlc. High pres and NW swell will dominate the region through the weekend. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TONIGHT...NE winds 25 to 35 kt diminishing to 20 to 30 kt late. Seas 10 to 15 ft. .WED...E winds 15 to 25 kt, becoming N 25 to 35 kt in the afternoon. Seas 9 to 14 ft. .WED NIGHT...NW winds 25 to 30 kt. Seas 12 to 17 ft. .THU...NW winds 20 to 30 kt. Seas 11 to 16 ft, subsiding to 9 to 13 ft in the afternoon. .THU NIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...NW winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...STORM WARNING... .TONIGHT...NE winds 20 to 30 kt. Seas 10 to 15 ft. .WED...SE winds 25 to 40 kt W of 70W, and SE 15 to 25 kt elsewhere. Seas 10 to 15 ft W of 70W, and 9 to 13 ft elsewhere. .WED NIGHT...Within 90 nm of low winds 35 to 50 kt. seas 15 to 20 ft. Otherwise W winds 25 to 35 kt W of 70W, and SW 20 to 30 kt elsewhere. Seas 11 to 16 ft W of 70W, and 9 to 14 ft elsewhere. .THU...W winds 20 to 30 kt. Seas 14 to 19 ft W of 70W, and 12 to 17 ft elsewhere. .THU NIGHT...W winds 15 to 25 kt. Seas 12 to 17 ft. .FRI...NW winds 10 to 20 kt. Seas 10 to 15 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 9 to 14 ft. .SAT...N winds 10 to 15 kt. Seas 8 to 11 ft. .SAT NIGHT...N winds 15 to 20 kt. Seas 8 to 11 ft. .SUN...NE winds 10 to 20 kt. Seas 8 to 12 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. Bahamas N of 22N ...GALE WARNING... .TONIGHT...N of front NE to E winds 25 to 35 kt. Elsewhere NE winds 10 to 15 kt, shifting to E after midnight. Seas 6 to 8 ft. .WED...S winds 10 to 15 kt, shifting to SW 15 to 25 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .THU...NW winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...N 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 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...GALE WARNING... .TONIGHT...E winds 10 to 15 kt. Seas 8 to 13 ft W of 70W, and 6 to 9 ft elsewhere. .WED...S winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...W winds 20 to 35 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 9 to 14 ft W of 70W, and 8 to 9 ft elsewhere. .THU...NW winds 15 to 25 kt W of 70W, and W 10 to 20 kt elsewhere. Seas 8 to 13 ft W of 70W, and 7 to 10 ft elsewhere. .THU NIGHT...NW winds 10 to 15 kt. Seas 8 to 11 ft. .FRI...N winds 10 to 15 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...NE winds 15 to 25 kt. Seas 10 to 13 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 11 to 13 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...S winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .THU...W winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 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 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 7 to 9 ft. .THU...SE winds 10 to 20 kt. Seas 8 to 9 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 7 to 9 ft. .FRI...SE winds 10 to 20 kt. Seas 7 to 9 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 8 to 9 ft. .SAT...SE winds 10 to 20 kt. Seas 9 to 11 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 9 to 11 ft. .SUN...E winds 10 to 20 kt. Seas 9 to 11 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 10 to 12 ft.