000 FZNT31 KNHC 190316 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1116 PM EDT Mon Mar 18 2024 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 north of the area will support fresh to strong trade winds across the eastern and central Caribbean through Tue. Afterward, winds will diminish to moderate to fresh speeds as a cold front moves across the western Atlantic. This front will push southward across the northwest Caribbean Tue, then reach eastern Cuba on Wed while dissipating. Pulsing fresh to strong winds will continue near the coast of Colombia, mainly at night, through the forecast period. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE to E winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...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...SE winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 20 kt S of 18N, and SE less than 10 kt elsewhere. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt S of 18N, and NE less than 10 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .TUE NIGHT...S of 18N, NE winds 10 to 15 kt. Elsewhere, NE winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .WED...S of 18N, NE winds 10 to 15 kt. Elsewhere, NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TUE...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E 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 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .OVERNIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .TUE...N winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .WED...N winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. 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...NE winds 10 to 15 kt. Seas 5 to 7 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...N winds less than 10 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .TUE...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TUE NIGHT...NE 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. .WED...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 5 to 7 ft elsewhere. .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 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...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 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE to E winds less than 10 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 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 4 to 6 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. .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 cold front extending from 31N72W to Palm Beach, Florida will reach from near 31N70W to the Straits of Florida Tue morning, from near Bermuda to the central Bahamas by Tue afternoon, then weaken as it reaches from near 31N56W to eastern Cuba by Wed morning. Fresh to strong winds and rough seas are expected ahead and behind the front. Gale force winds are expected tonight and Tue, mainly for the waters north of 27N. Weak low pressure may form along the front near 30N56W on Thu morning, with the front reaching northern Hispaniola. High pressure in its wake will quickly shift eastward through Fri night, allowing for fresh to strong southerly winds to develop over the western half of the forecast waters as low pressure tracks northeastward from the Gulf of Mexico to over northern Florida and to north of the area Sat and Sat night. The fresh to strong southerly winds will expand in coverage as they shift eastward ahead of a cold front that will trail from the low over the western waters. ATLC waters from 27N to 31N W of 77W ...GALE WARNING N OF 29N... .OVERNIGHT...N of 29N, W to NW winds 20 to 25 kt becoming NW to N 30 to 40 kt. Seas 4 to 6 ft, building to 8 to 11 ft. S of 29N, NW winds 20 to 30 kt. Seas 7 to 10 ft. .TUE...N winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. Seas 7 to 10 ft. .TUE NIGHT...N winds 10 to 15 kt, shifting to NW after midnight. Seas 6 to 8 ft. .WED...W winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 10 to 15 kt, diminishing to less than 10 kt late. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...SE winds 15 to 25 kt. Seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. .FRI NIGHT...S winds 15 to 25 kt. Seas 8 to 12 ft. .SAT...SW winds 15 to 25 kt. Seas 8 to 11 ft. .SAT NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING N OF 29N... .OVERNIGHT...SW winds 15 to 25 kt. Seas 6 to 9 ft. .TUE...N of 29N, NW winds 30 to 35 kt becoming NW to N 15 to 20 kt early in the afternoon except 10 to 15 kt between 74W and 77W. Seas 8 to 12 ft in W to NW swell. S of 29N W of 70W, NW winds 20 to 30 kt W of 70W, and SW 20 to 30 kt E of 70W. Seas 8 to 10 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft. .WED...N winds less than 10 kt. Seas 6 to 9 ft. .WED NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .THU...N winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE to E winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...SE winds 15 to 25 kt. Seas 8 to 12 ft. .SAT NIGHT...S winds 15 to 25 kt. Seas 8 to 12 ft. Bahamas N of 22N .OVERNIGHT...SW winds less than 10 kt. Seas 2 ft or less. .TUE...NW winds 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SW winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SW winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED...N winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 20 kt. Seas 7 to 10 ft. .SAT...SE winds 15 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...S winds 15 to 20 kt. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .WED...N winds less than 10 kt. Seas 3 to 4 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 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE winds 10 kt. Seas 5 to 6 ft. .WED NIGHT...SE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 5 ft. .THU...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. 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 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 7 ft. .SAT...E winds 15 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 15 kt. Seas 6 to 7 ft.