000 FZNT31 KNHC 202104 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 404 PM EST Thu Dec 20 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...Fresh to locally strong winds will continue across the south-central Caribbean through Tue, increasing to near gale force along the NW coast of Colombia during the overnight hours. Strong southerly flow will continue over the NW Caribbean ahead of a cold front entering the Yucatan Channel overnight. The front will reach from the Windward Passage to Costa Rica by Sat morning, then drift S and gradually dissipate through Sun. Strong northerly winds are expected W of the front on Fri and Fri night, increasing to near gale force along the coast of Nicaragua. NW Caribbean W of 85W .TONIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...NW winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...N winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE 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 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NW winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 5 to 7 ft elsewhere. .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 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. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE 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 E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 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. .TUE...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. SW Caribbean S of 11N .TONIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .FRI...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NE winds 15 to 25 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 8 to 13 ft, subsiding to 7 to 10 ft in the afternoon. .SUN NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .MON...NE winds 15 to 25 kt. Seas 8 to 11 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TUE...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TUE 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 20 kt elsewhere. Seas 5 to 7 ft. .FRI...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. .FRI NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SAT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 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. .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. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE 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 6 to 8 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 15 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 15 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 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. .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. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Synopsis for the the SW N ATLC including the Bahamas .SYNOPSIS...Near gale to gale force southerly flow is developing W of 75W and N of 27N to the E of 75W ahead of a strong cold front moving off the the SE United States coast preceded by lines of tstms. The cold front will reach from near 30N75W to west- central Cuba early Fri, from 30N72W to eastern Cuba on Fri evening, weaken from Bermuda to the Windward Passage on Sat, then become stationary from 27N65W to eastern Cuba on Sun. Winds and seas will diminish across the region Sat and Sun. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TONIGHT...S winds 25 to 35 kt. Seas 10 to 15 ft. .FRI...SW winds 30 to 40 kt. Seas 14 to 19 ft. .FRI NIGHT...W winds 30 to 35 kt, diminishing to 20 to 30 kt after midnight. Seas 14 to 19 ft, subsiding to 11 to 16 ft after midnight. .SAT...W winds 15 to 25 kt. Seas 8 to 13 ft, subsiding to 6 to 9 ft in the afternoon. .SAT NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...Variable winds less than 10 kt, becoming NW 10 kt after midnight. Seas 3 ft. .MON...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 ft. .TUE...E winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds 10 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TONIGHT...S winds 20 to 30 kt W of 70W, and SE 15 to 25 kt elsewhere. W of 70W, seas 8 to 11 ft, building to 9 to 14 ft after midnight. Elsewhere, seas 6 to 8 ft. .FRI...S winds 25 to 35 kt W of 70W, and S 15 to 25 kt elsewhere. W of 70W, seas 11 to 16 ft, building to 14 to 19 ft in the afternoon. Elsewhere, seas 7 to 10 ft. .FRI NIGHT...SW winds 25 to 35 kt W of 70W, and S 15 to 25 kt elsewhere. W of 70W, seas 15 to 20 ft. Elsewhere, seas 8 to 11 ft, building to 9 to 14 ft after midnight. .SAT...W winds 15 to 25 kt. W of 70W, seas 13 to 18 ft, subsiding to 10 to 15 ft in the afternoon. Elsewhere, seas 10 to 15 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 8 to 13 ft, subsiding to 7 to 10 ft after midnight. .SUN...N winds 10 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .MON...N winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .TUE...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. Bahamas N of 22N ...GALE WARNING... .TONIGHT...S winds 20 to 30 kt. Seas 4 to 6 ft. .FRI...SW winds 25 to 35 kt. Seas 5 to 7 ft. .FRI NIGHT...W winds 20 to 30 kt. Seas 5 to 7 ft. .SAT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...GALE WARNING... .TONIGHT...S winds 15 to 25 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .FRI...S winds 25 to 35 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 7 to 10 ft W of 70W, and 5 to 7 ft elsewhere. .FRI NIGHT...SW winds 15 to 25 kt W of 70W, and S 10 to 20 kt elsewhere. Seas 8 to 11 ft W of 70W, and 5 to 7 ft elsewhere. .SAT...SW winds 10 to 15 kt. Seas 7 to 10 ft W of 70W, and 6 to 9 ft elsewhere. .SAT NIGHT...NE winds less than 10 kt. Seas 6 to 9 ft. .SUN...NE winds less than 10 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 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...E winds 10 to 15 kt. Seas 6 to 7 ft. .MON...E winds 10 to 15 kt. Seas 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.