000 FZNT31 KNHC 210318 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1018 PM EST Wed Jan 20 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 north of the area is supporting fresh to strong winds over the southeast and south- central Caribbean, with winds pulsing to gale force off the coast of Colombia overnight. Fresh to strong northeast winds are also expected in the lee of eastern Cuba through tonight. Winds and seas will diminish Thu through Sat as the high pressure weakens, although strong winds will persist off Colombia that could reach minimal gale force during overnight hours Thu night and Fri night. NW Caribbean W of 85W .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E 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 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 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. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...S of 18N, E winds 10 to 20 kt. Elsewhere, 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. Seas 4 to 6 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 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... .OVERNIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE to E 20 to 25 kt elsewhere. Seas 7 to 11 ft. .THU...NE to E winds 20 to 25 kt. Seas 7 to 11 ft. .THU NIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE to E 20 to 25 kt elsewhere. Seas 7 to 11 ft. .FRI...NE to E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE to E 15 to 20 kt elsewhere. Seas 7 to 10 ft. .FRI NIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE to E 20 to 25 kt elsewhere. Seas 7 to 11 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. .SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .MON...E winds 15 to 25 kt. Seas 8 to 11 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. SW Caribbean S of 11N .TONIGHT...NE winds 15 to 25 kt. Seas 8 to 10 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 6 to 8 ft. .SAT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON...NE winds 10 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. Caribbean between 64W and 72W .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .THU NIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .FRI...E winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .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 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON 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, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .THU...SE winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .FRI...E winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. 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. .SUN...E winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 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 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 20 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 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front extending from near 24N65W to the Turks and Caicos will dissipate overnight. A new cold front currently reaching from near Bermuda to northeast Florida will continue to move southward overnight. 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 Thu evening. This front will be followed by yet another cold front that will move southward across the waters between Bermuda and NE Florida late Fri, reach from near 31N60W to 27N70W and to West Palm Beach, Florida Sat night, then begin to weaken as it reaches the far southern waters late Sun. High pressure will build in the wake of this front. ATLC waters from 27N to 31N W of 77W .TONIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .THU...W winds 10 to 15 kt. 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 15 kt. Seas 3 to 5 ft. .SAT...N winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...SE winds 10 kt. Seas 4 to 6 ft. .MON...S winds 10 to 20 kt. Seas 5 to 6 ft. .MON NIGHT...SW 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 W of 70W, and NW 15 to 25 kt elsewhere. Seas 7 to 10 ft. .THU...NW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft W of 70W, and 8 to 12 ft elsewhere. .THU NIGHT...W of 70W, W winds 10 to 20 kt. Elsewhere, W winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft W of 70W, and 7 to 10 ft elsewhere. .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 6 to 9 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...N winds 10 to 15 kt. Seas 7 to 10 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 7 to 10 ft. .MON...N winds less than 10 kt, shifting to SW in the afternoon. Seas 6 to 9 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. Bahamas N of 22N .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 ft. .FRI...SE winds less than 10 kt. Seas 3 ft. .FRI NIGHT...SE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .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. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .THU...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .THU NIGHT...N winds less than 10 kt. Seas 5 to 7 ft W of 70W, and 6 to 9 ft elsewhere. .FRI...Variable winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...NW winds less than 10 kt. Seas 4 to 6 ft. .SAT...W winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...N winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .MON...NE winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...SE winds less than 10 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 4 to 6 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 less than 10 kt. Seas 4 to 6 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .SUN...NE winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds less than 10 kt. Seas 6 to 7 ft. .THU...SE winds less than 10 kt. Seas 6 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 5 to 6 ft. .FRI...Variable winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 6 to 8 ft. .SAT...Variable winds less than 10 kt. Seas 6 to 8 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 5 to 7 ft. .SUN...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 5 to 6 ft. .SUN NIGHT...N winds less than 10 kt. Seas 5 to 6 ft. .MON...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft.