043 FZNT31 KNHC 310310 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1110 PM EDT Wed Oct 30 2024 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 19N W of 55W, the N Atlantic from 19N to 31N W of 55W including the 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 W of 55W .SYNOPSIS....A broad area of low pressure is likely to develop over the southwestern Caribbean Sea by the end of the week. Gradual development is possible thereafter, and a tropical depression could form over the weekend or early next week while the system drifts generally northward or northwestward over the central or western Caribbean Sea. Meanwhile, strong high pressure located north of the area will continue to support fresh to strong winds in the lee of Cuba, the Windward Passage, and south of Hispaniola, including the Mona Passage, into the upcoming weekend. Winds in the Mona Passage diminish on Thu. Large N to NE long period swell will begin to reach the NE Caribbean passages starting Thu. The swell is expected to subside late on Sat. Active weather will impact the majority of the basin into the weekend. Marine interests over these waters should take the necessary action to avoid hazardous marine conditions. Stay updated with the latest forecasts and Tropical Weather Outlooks. NW Caribbean W of 85W .OVERNIGHT...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 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 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 20 kt S of 18N, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt S of 18N, and E 15 to 25 kt elsewhere. Seas 5 to 7 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 4 to 6 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt, shifting to SW after midnight. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...Within 90 nm of coast of Colombia, S winds 10 to 15 kt, shifting to SW after midnight. Elsewhere, E winds less than 10 kt. Seas 3 to 5 ft. .FRI...SW winds 10 to 15 kt within 90 nm of coast of Colombia, and E less than 10 kt elsewhere. Seas 3 to 5 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT...NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .SUN...NW winds less than 10 kt, shifting to W in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .MON...W winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. SW Caribbean S of 11N .OVERNIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. .THU...W winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...W winds less than 10 kt, shifting to SW after midnight. Seas 3 to 4 ft. .FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SW winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...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. .THU NIGHT...S winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI...SE winds less than 10 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 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...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. .MON...E winds less than 10 kt. Seas 5 to 7 ft. .MON 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 .OVERNIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 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 winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A very tight pressure gradient associated to strong high pressure of 1033 mb near Nova Scotia controls the wind regime throughout. This pattern will continue to support an extended period of strong winds and rough to very rough seas over the Western Atlantic through at least Fri. Peak seas of 13 to 16 ft are expected E of the Bahamas through the upcoming weekend. Active weather will impact the water S of 26N and E of the Bahamas into the weekend. Marine interests over these waters should take the necessary action to avoid hazardous marine conditions. Stay updated with the latest forecasts and Tropical Weather Outlooks. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...E winds 20 to 25 kt. Seas 9 to 12 ft. .THU...E winds 15 to 20 kt. Seas 8 to 12 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 9 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 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. .THU...E winds 15 to 25 kt. Seas 8 to 12 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. Bahamas N of 22N .OVERNIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .THU...E winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...E winds 15 to 25 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 15 to 25 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .MON...E winds 15 to 25 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...NE winds 15 to 25 kt. Seas 10 to 13 ft. .THU...E winds 15 to 25 kt. Seas 10 to 13 ft. .THU NIGHT...E winds 20 to 25 kt. Seas 10 to 12 ft. .FRI...E winds 15 to 25 kt W of 70W, and E 20 to 25 kt elsewhere. Seas 9 to 12 ft. .FRI NIGHT...E winds 20 to 30 kt. Seas 9 to 14 ft. .SAT...E winds 20 to 30 kt. Seas 9 to 14 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 9 to 14 ft. .SUN...E winds 15 to 25 kt. Seas 9 to 13 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 9 to 12 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. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 13 ft. .SAT...E winds 15 to 25 kt. Seas 8 to 13 ft. .SAT NIGHT...SE winds 15 to 25 kt. Seas 8 to 13 ft. .SUN...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. .MON...SE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 9 to 11 ft. .FRI...E winds 15 to 25 kt. Seas 10 to 12 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 9 to 13 ft. .SAT...E winds 10 to 20 kt. Seas 9 to 12 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 8 to 10 ft. .SUN...SE winds less than 10 kt. Seas 8 to 10 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 6 to 8 ft. .MON...S winds less than 10 kt. Seas 5 to 7 ft. .MON NIGHT...W winds less than 10 kt. Seas 5 to 6 ft.