000 FZNT31 KNHC 120220 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 920 PM EST Wed Dec 11 2019 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...Winds and seas will gradually diminish across the region through Fri as high pres in the central Atlantic shifts eastward. Trades will increase again in the central Caribbean early next week as the pres gradient tightens. Moderate to fresh trades along with moderate N to NE swell are expected over the Tropical N Atlantic waters through the upcoming weekend and into early next week. NW Caribbean W of 85W .TONIGHT...NE winds 10 to 15 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. Seas 4 to 6 ft. .FRI...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. .SAT...Variable winds less than 10 kt. Seas 3 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 4 to 6 ft elsewhere. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 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, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 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 20 kt. Seas 5 to 7 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. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 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. Seas 4 to 6 ft. .SAT...N winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .SUN...NE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .THU NIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .FRI...E winds 10 to 15 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, 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...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 5 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 20 kt. Seas 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...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 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 15 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 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. .THU...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 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 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extending from 31N75W to the Treasure Coast of Florida will reach from near 31N73W to West Palm Beach, Florida by late tonight and from near 31N70W to 28N76W and stationary to West Palm Beach on Thu and gradually weaken through Fri. Fresh to strong NE winds are expected N of the front tonight through late Thu night, while large seas are expected over the waters N and NE of the Bahamas through early on Fri. Fresh to strong southerly winds will develop over the far N central waters beginning late on Fri night. These winds will expand eastward through Sat night ahead of the next cold front forecast to move off the southeastern U.S. coast on Sat. This front will quickly move across the waters N of 27N through Sun night, with the fresh to strong winds lifting NE of the area Sun night. Return flow will develop early next week. ATLC waters from 27N to 31N W of 77W .TONIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 8 to 12 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 9 to 12 ft. .FRI...SE winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...SW winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...N winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...SE winds 15 to 20 kt. Seas 5 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...W of 70W, E winds less than 10 kt, becoming NE 15 to 25 kt after midnight,Seas 5 to 7 ft, building to 7 to 10 ft after midnight. Elsewhere, E winds less than 10 kt,Seas 6 to 7 ft. .THU...NE winds 15 to 25 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 8 to 11 ft W of 70W, and 6 to 8 ft elsewhere. .THU NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...SE winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 7 to 8 ft. .SAT...S winds 15 to 20 kt. Seas 7 to 9 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 7 to 9 ft. .SUN...W winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 6 to 9 ft. .MON...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. Bahamas N of 22N .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NW 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 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .FRI...E winds 15 to 20 kt. Seas 8 to 9 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 7 to 9 ft. .SAT...SE winds 10 to 20 kt. Seas 7 to 9 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...SE winds less than 10 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 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...SE winds 10 to 20 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, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .THU...E winds 15 to 20 kt. Seas 9 to 10 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 9 ft. .FRI...E winds 10 to 20 kt. Seas 8 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. .SAT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 7 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON...E winds 15 kt. Seas 7 to 8 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 7 to 8 ft.