000 FZNT31 KNHC 220331 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1131 PM EDT Thu Mar 21 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...Weak high pressure across the W Atlantic along 30N will shift E and dissipate through Fri as low pressure moves across the northern Gulf of Mexico. Fresh to strong SE to S winds will develop in the northwest Caribbean and Yucatan Channel by early Fri as this low pressure and its attendant cold front reach the central Gulf of Mexico. This front will then reach the Yucatan Channel and the far northwestern Caribbean on Sat afternoon, extend from eastern Cuba to the Gulf of Honduras on Sun, then stall and dissipate by Mon. Fresh to strong SE winds will develop over the western Caribbean late Mon through Tue, ahead of the next frontal system entering the Gulf of Mexico. NW Caribbean W of 85W .OVERNIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 15 to 25 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...W winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...N winds 10 to 15 kt, shifting to NE in the afternoon. 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 15 to 25 kt. Seas 5 to 7 ft. .TUE...SE winds 15 to 25 kt. Seas 6 to 8 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .FRI...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .FRI NIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft within 90 nm of coast of Colombia, and 5 to 7 ft elsewhere. .SAT...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. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 ft. .TUE...E winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 ft. SW Caribbean S of 11N .OVERNIGHT...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 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .SAT...N winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .SUN...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .MON...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .TUE...Variable winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .OVERNIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 5 ft. .FRI...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .FRI NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .SAT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SUN...SE 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, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 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. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .TUE...S winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 3 to 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...NE winds 10 to 15 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 5 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 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 6 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Weak high pressure is centered just SW of Bermuda, and will move E and dissipate through late Fri. A stationary front extends from 25N55W to northern Hispaniola and will drift N Fri through Sat. Fresh to strong southerly winds will develop E of Florida on Fri, as low pressure tracks northeastward across the Gulf of Mexico and inland across the southeastern U.S. Fri night. Strong southerly winds will expand in coverage over the western waters, ahead of a cold front, increasing to gale-force across the northern waters Fri evening through Sun. The front will reach from near 31N72W to eastern Cuba on Sun morning, and from 31N70W to the Windward Passage by Mon morning. Strong to near gale-force NE winds and large NE to N swell will follow this front. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 15 to 25 kt. Seas 3 to 5 ft, building to 6 to 8 ft in the afternoon. .FRI NIGHT...S winds 25 to 35 kt. Seas 8 to 13 ft. .SAT...SW winds 15 to 25 kt. Seas 9 to 14 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 8 to 11 ft. .SUN...N winds 15 to 25 kt. Seas 8 to 13 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. .MON...E winds 10 to 20 kt. Seas 9 to 12 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 8 to 11 ft. .TUE...SE winds 10 to 15 kt. Seas 8 to 11 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 8 to 11 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... ...GALE CONDITIONS POSSIBLE SAT NIGHT... .OVERNIGHT...W of 70W, SE winds less than 10 kt, shifting to E after midnight. Elsewhere, NE winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds 15 to 25 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 25 to 35 kt W of 70W, and E 15 to 25 kt elsewhere. W of 70W, seas 6 to 9 ft, building to 8 to 12 ft after midnight. Elsewhere, seas 6 to 9 ft. .SAT...SE winds 25 to 35 kt. Seas 10 to 14 ft W of 70W, and 8 to 11 ft elsewhere. .SAT NIGHT...S winds 20 to 30 kt. Seas 9 to 14 ft. .SUN...W winds 20 to 30 kt. Seas 9 to 14 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 8 to 13 ft. .MON...N winds 10 to 20 kt. Seas 9 to 14 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 10 to 15 ft. .TUE...N winds 15 to 25 kt. Seas 11 to 16 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 10 to 14 ft. Bahamas N of 22N .OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...SE winds 15 to 25 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 15 to 25 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE 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 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 15 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...SE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT NIGHT...SE winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...SW winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. .MON...NW winds 10 to 15 kt. Seas 7 to 10 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 7 to 10 ft. .TUE...N winds 10 to 15 kt. Seas 8 to 13 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 9 to 13 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...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 15 to 25 kt. Seas 6 to 9 ft. .SAT...SE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...S winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NW winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 10 kt. Seas 6 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 15 to 20 kt. Seas 7 to 9 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .SUN...E winds 15 kt. Seas 7 to 8 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 6 to 7 ft. .MON NIGHT...S winds less than 10 kt. Seas 5 to 6 ft. .TUE...SW winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...W winds 10 kt. Seas 6 to 9 ft.