000 FZNT31 KNHC 170822 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 322 AM EST Tue Dec 17 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...Fresh to strong trades and building seas over the central and eastern Caribbean will continue through Wed as high pressure north of the area shifts eastward. Strong winds will persist near the coast of Colombia through Sat night. A strong cold front will cross the Yucatan Channel Wed, extend from western Cuba to the Gulf of Honduras Wed night, then become stationary and weaken over the NW Caribbean Thu into Thu night. Winds and seas will gradually diminish over the NW Caribbean Fri into Sat. Mixed northerly swell and easterly wind waves will maintain seas 8 ft or greater over the Tropical N Atlantic waters for the next several days before diminishing on Fri. NW Caribbean W of 85W .TODAY...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .WED...N winds 10 to 20 kt. Seas 3 to 4 ft, building to 5 to 7 ft in the afternoon. .WED NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .THU...N winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .SAT...N winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .TONIGHT...E winds 10 to 20 kt S of 18N, and SE less than 10 kt elsewhere. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt S of 18N, and SE less than 10 kt elsewhere. Seas 5 to 7 ft. .WED NIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE 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 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .WED...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .WED NIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 5 to 7 ft. .WED NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .THU...NW winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TODAY...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. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 7 to 9 ft elsewhere. .WED...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 7 to 9 ft elsewhere. .WED NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...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 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 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED...E winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 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 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front extending from near 28N65W to 26N74W will weaken later today. A strong cold front will move off the southeast U.S. coast late Tue night, extend from near 31N70W to western Cuba on Wed night, and then from 27N65W across the central Bahamas to central Cuba on Thu night. Strong N to NE winds and building seas are expected across much of the forecast waters following frontal passage. The front will gradually stall over the central waters Fri and Fri night, then lift northward Sat and Sat night as developing low pressure over the eastern Gulf of Mexico crosses Florida. ATLC waters from 27N to 31N W of 77W .TODAY...S winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NW winds 15 to 25 kt. Seas 6 to 9 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .THU...NE winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...E winds 15 to 20 kt. Seas 8 to 10 ft. .SAT NIGHT...E winds 20 to 25 kt. Seas 9 to 13 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .WED...SW winds 10 to 20 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 6 to 8 ft. .WED NIGHT...N winds 15 to 25 kt W of 70W, and SW 10 to 20 kt elsewhere. Seas 7 to 10 ft. .THU...N winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...NE winds 15 to 20 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. Bahamas N of 22N .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SW winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 15 to 25 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .FRI...NE winds 15 to 25 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...SE winds 10 to 15 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .WED...S winds 10 to 15 kt W of 70W, and SE 15 to 20 kt elsewhere. Seas 6 to 9 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. .THU...S winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NE winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .SAT...E winds 15 to 25 kt. Seas 9 to 12 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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. Seas 6 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .WED...E winds 15 to 20 kt. Seas 8 to 10 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft. .THU...SE winds 10 to 20 kt. Seas 7 to 9 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 kt. Seas 5 to 7 ft. .SAT...E winds 10 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 8 ft.