000 FZNT31 KNHC 190352 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1052 PM EST Mon Jan 18 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...High pressure building over the western Atlantic in the wake of a cold front will bring increasing winds and building seas over the southeast and south-central Caribbean, with winds pulsing to gale force off the coast of Colombia mainly at night through Wed night. Fresh to strong northeast winds are also expected in the lee of eastern Cuba tonight through Wed night, diminishing to mainly fresh speeds Thu and to gentle to moderate speeds Fri. NW Caribbean W of 85W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 6 to 8 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... ...GALE CONDITIONS POSSIBLE WED NIGHT... .OVERNIGHT...Within 90 nm of the coast of Colombia, NE winds 30 to 35 kt. Seas 10 to 12 ft. Elsewhere NE to E winds 20 to 30 kt. Seas 8 to 10 ft. .TUE...NE to E winds 20 to 25 kt. Seas 8 to 12 ft. .TUE NIGHT...Within 90 nm of the coast of Colombia, NE winds 30 to 35 kt. Seas 11 to 13 ft. Elsewhere NE to E winds 20 to 30 kt. Seas 8 to 11 ft. .WED...NE to E winds 20 to 25 kt. Seas 8 to 12 ft. .WED NIGHT...Within 90 nm of the coast of Colombia, NE winds 30 to 35 kt. Seas 11 to 13 ft. Elsewhere NE to E winds 20 to 30 kt. Seas 8 to 11 ft. .THU...NE winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TONIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE...NE winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .WED...NE winds 15 to 25 kt. Seas 8 to 12 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .THU...NE winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TUE NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .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 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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. 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. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...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 15 kt. Seas 5 to 7 ft. .THU...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, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft. .FRI...E winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds less than 10 kt. Seas 5 to 7 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. .TUE...E winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 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....A cold front extending from 29N65W to the eastern Bahamas will stall from 25N65W late Tue into Wed, then dissipate Wed night. Another cold front will move southward into waters between northeastern Florida and Bermuda by Wed night. The main portion of this front will lift to the northeast of the area Thu, leaving a trailing stationary segment to dissipate along 27N by late Thu. This front will be followed by yet another cold front that will move southward across the waters between Bermuda and NE Florida late Fri, and reach from near 31N60W to near the NW Bahamas by late Sat. ATLC waters from 27N to 31N W of 77W .TONIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NW winds less than 10 kt. Seas 3 ft. .WED...NW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NW winds less than 10 kt, shifting to W in the afternoon. Seas 3 to 4 ft. .THU NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...W winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...N winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .TUE...N winds 10 to 15 kt. Seas 6 to 9 ft. .TUE NIGHT...N winds 10 kt. Seas 5 to 7 ft. .WED...W of 70W, NW winds 10 to 20 kt. Elsewhere, NW winds less than 10 kt, becoming W 10 to 20 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .THU...NW winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...W winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...NW winds 10 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. Bahamas N of 22N .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 ft. .SAT...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...W of 70W, N winds 10 to 15 kt. Elsewhere, SW winds less than 10 kt, shifting to NE after midnight. Seas 5 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .THU...N winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds less than 10 kt. Seas 6 to 9 ft. .FRI...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 6 to 8 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 5 to 7 ft. .SAT...W winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...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...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .SAT...NE winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...E winds less than 10 kt. Seas 6 to 7 ft. .THU...E winds less than 10 kt. Seas 6 ft. .THU NIGHT...NE winds less than 10 kt. Seas 6 ft. .FRI...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 7 to 8 ft. .SAT...Variable winds less than 10 kt. Seas 6 to 7 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 5 to 7 ft.