000 FZNT31 KNHC 181516 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1016 AM EST Mon Jan 18 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 that will begin to build over the western Atlantic today will bring increasing winds and building seas over the southeast and south-central Caribbean, with winds pulsing to gale force off the coast of Colombia mainly at night through Tue. Fresh to strong northeast winds are also expected in the lee of eastern Cuba tonight through Wed night, diminishing to mainly fresh speeds Thu and to gentle to moderate speeds Fri. NW Caribbean W of 85W .TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...NE 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. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING WITHIN 90 NM OF COAST OF COLOMBIA... ...GALE CONDITIONS POSSIBLE WITHIN 60 NM OF COAST OF COLOMBIA WED NIGHT... .TODAY...NE to E winds 15 to 20 kt. Seas 7 to 10 ft. .TONIGHT...NE to E winds 20 to 25 kt, except increasing to 25 to 35 kt within 90 nm of coast of Colombia late. Seas 8 to 10 ft, except 9 to 12 ft within 90 nm of coast of Colombia late. .TUE...NE to E winds 20 to 25 kt. Seas 8 to 12 ft. .TUE NIGHT...NE to E winds 20 to 30 kt, except increasing to 30 to 35 kt within 90 nm of coast of Colombia late. Seas 8 to 10 ft, except 9 to 12 ft within 90 nm of coast of Colombia. .WED...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...NE to E winds 20 to 25 kt, except increasing to 25 to 35 kt within 60 nm of coast of Colombia late. Seas 8 to 11 ft, except building to 9 to 12 ft within 60 nm of coast of Colombia late. .THU...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...NE to E winds 20 to 25 kt. Seas 6 to 9 ft. .FRI...NE to E winds 15 to 20 kt, except NE to E 10 to 15 kt W of 80W. Seas 6 to 8 ft, except 4 to 6 ft W of 80W, .FRI NIGHT...NE to E winds 20 to 25 kt, except 15 to 20 kt W of 80W. Seas 6 to 8 ft, except 4 to 6 ft W of 80W. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE...NE winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .WED...NE winds 15 to 25 kt. Seas 8 to 12 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 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 15 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...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 6 to 8 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TUE NIGHT...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 9 ft elsewhere. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 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 15 kt. Seas 5 to 7 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 less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 10 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 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 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. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS....A cold front extending from 31N75W to West Palm Beach, Florida will reach from near 31N72W to the NW Bahamas and to Miami this afternoon, then become stationary from near 26N65W to 22N71W and dissipating to eastern Cuba by early Tue. The boundary will gradually dissipate through early Thu. Another cold front will move southward into waters between northeastern Florida and Bermuda Wed night. 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 late Thu. This will be followed by yet another front moving southward into the waters between Bermuda and NE Florida Fri. ATLC waters from 27N to 31N W of 77W .TODAY...NW winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...N winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds less than 10 kt. Seas 3 ft. .WED...NW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...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...SW winds 10 to 15 kt, becoming W 15 to 25 kt after midnight. Seas 4 to 6 ft. .FRI...W winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...W winds 10 to 20 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .TUE...N winds 10 to 15 kt. Seas 6 to 9 ft. .TUE NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .WED...NW winds 10 to 15 kt, becoming W 15 to 25 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .THU...NW winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...W winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. Bahamas N of 22N .TODAY...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...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...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SW winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...W of 70W, N winds 10 to 15 kt. Elsewhere, S winds less than 10 kt, shifting to NE late. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .FRI...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 5 to 7 ft. .FRI NIGHT...NW winds less than 10 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 6 to 7 ft. .WED NIGHT...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, becoming E less than 10 kt after midnight. Seas 5 to 6 ft. .FRI...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 5 to 6 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 6 to 7 ft.