185 FZNT31 KNHC 202028 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 328 PM EST Mon Dec 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...As the Bermuda High remains weak and centered well northeast of the Caribbean, the tradewinds will only reach moderate to fresh over the S central Caribbean and tropical N Atlantic with gentle to moderate elsewhere for the next several days. A cold front will move through the Yucatan Channel Tue, then reach from E Cuba to Nicaragua by Thu morning, before stalling. Fresh N winds can be expected behind this front. Large N to NE swell will continue in the tropical N Atlantic into Tue. NW Caribbean W of 85W .TONIGHT...SE winds less than 10 kt. Seas 3 ft. .TUE...SW winds less than 10 kt, shifting to NW in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 3 to 5 ft. .WED...NW winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 ft. .SAT...E winds less than 10 kt. Seas 3 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 10 to 15 kt S of 18N, and SE less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TUE...E winds 10 to 15 kt S of 18N, and SW less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TUE NIGHT...S of 18N, E winds 10 to 15 kt, diminishing to less than 10 kt after midnight,Seas 3 to 5 ft. Elsewhere, W winds less than 10 kt, increasing to 10 to 15 kt after midnight,Seas 2 ft or less, building to 3 to 4 ft after midnight. .WED...S of 18N, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, NW winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...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...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...N winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .WED...NW winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 ft. .THU...N winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .FRI...N winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 ft. .SAT...N winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TUE NIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .WED...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. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE 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. 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. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E 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 5 to 7 ft. .FRI NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 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 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 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 20 kt. Seas 6 to 9 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 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A frontal boundary from near Bermuda through the NW Bahamas will begin to retreat northward by early Tue as a warm front. Low pressure over the central Gulf of Mexico will move northeastward to offshore NE Florida and Georgia by late Tue. Near the low, strong to gale force SW winds are expected over N waters Tue through Wed night. Building high pressure behind the low should lead toward tranquil conditions on Thu and Fri. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...S winds 10 to 20 kt, becoming SW 20 to 35 kt in the afternoon. Seas 6 to 9 ft. .TUE NIGHT...W winds 20 to 30 kt. Seas 9 to 14 ft. .WED...NW winds 15 to 25 kt. Seas 8 to 13 ft, subsiding to 7 to 10 ft in the afternoon. .WED NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft. .THU...N winds 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...SE winds 10 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...W winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...S winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...SW winds 20 to 35 kt W of 70W, and S 15 to 25 kt elsewhere. W of 70W, seas 7 to 10 ft, building to 8 to 13 ft after midnight. Elsewhere, seas 6 to 8 ft. .WED...SW winds 15 to 25 kt. Seas 9 to 14 ft W of 70W, and 7 to 10 ft elsewhere. .WED NIGHT...NW winds 10 to 20 kt. Seas 8 to 11 ft. .THU...N winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. .SAT...SW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. Bahamas N of 22N .TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .WED...W winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .THU...N winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .SAT...NE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...W of 70W, SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, SE winds less than 10 kt. Seas 4 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...S winds 10 to 20 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 5 to 7 ft. .WED...S winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .THU...W winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...S winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SW winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...NE winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 7 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...SE winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .FRI...SE winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 5 to 6 ft. .SAT...E winds 10 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 kt. Seas 5 to 6 ft.