000 FZNT31 KNHC 240318 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1118 PM EDT Sat Mar 23 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...Western Atlantic surface ridging will shift E-NE through Mon. A cold front extending through the central Bahamas across western Cuba along 80W and into the Yucatan Peninsula near 19N will move SE and reach from east-central Cuba to the NE coast of Honduras by Sun morning, then stall and dissipate from NW Hispaniola to NE Nicaragua on Mon. Strong thunderstorms along the front S of Cuba will shift eastward through morning. Northerly winds behind the front through Sun will veer to the SE Mon and become fresh to strong over the western Caribbean late Mon through Tue, ahead of the next frontal system entering the Gulf of Mexico. Large N swell will reach the Atlantic Passages of the NE and E Caribbean late Tue and persist through early Thu. Otherwise, winds and seas will remain well below normal through Thu. NW Caribbean W of 85W .OVERNIGHT...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...SE winds 10 to 20 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. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 to 5 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...S of 18N, S winds 10 to 15 kt, shifting to SW in the afternoon. Elsewhere, NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...S of 18N, N winds less than 10 kt. Elsewhere, N winds less than 10 kt, shifting to NE after midnight. Seas 3 to 5 ft. .MON...SE winds less than 10 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .MON NIGHT...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...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...NW 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. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...Within 90 nm of coast of Colombia, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .MON...Within 90 nm of coast of Colombia, NE winds 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, Variable 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. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 ft. .THU...NE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .THU NIGHT...NE winds 10 kt. Seas 2 ft or less. SW Caribbean S of 11N .OVERNIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .SUN...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .MON...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...E winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt. Seas 2 ft or less. .THU...NE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. Caribbean between 64W and 72W .OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...Gulf of Venezuela, E winds 10 to 15 kt, shifting to NE in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .SUN NIGHT...E winds 10 to 15 kt. Gulf of Venezuela, seas 3 ft in the evening, subsiding to 2 ft or less. Elsewhere, seas 4 to 6 ft. .MON...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .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. .WED...N winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .THU...NW winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...NW 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...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...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .TUE...S winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SW winds less than 10 kt. Seas 4 to 6 ft. .WED...SW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .WED NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. .THU...W winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...W 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 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 5 to 7 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, shifting to SE in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...SE winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .THU...S winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Strong to gale-force S winds occurring N of 29N and W of 70W will shift slowly eastward through Sun, ahead of a cold front that currently extends from 31N75W to Cuba near 23N80W. Strong thunderstorms with frequent gusts to gale-force and frequent lightning are expected along the front across the Bahamas and northeastward through morning. The front will reach from near 31N69W to east-central Cuba on Sun morning, reach from 31N65W to the Windward Passage by Mon morning, then weaken considerably as it moves SE across the Atlantic and adjacent NE Caribbean waters through Tue night. Strong to near gale-force NE winds and large NE to N swell will follow the front early Sun through Mon. Low pressure will develop NW of Bermuda Tue and move SE and weaken across the area waters through Thu. Large N to NW swell will spread across the waters E of 70W, and NE swell W of 70W, early Tue through Wed. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...N winds 20 to 30 kt. Seas 8 to 13 ft. .SUN NIGHT...NE winds 20 to 25 kt. Seas 9 to 14 ft. .MON...NE winds 15 to 20 kt. Seas 9 to 13 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 9 to 12 ft. .TUE...E winds 10 to 15 kt. Seas 9 to 13 ft. .TUE NIGHT...E winds 10 kt. Seas 8 to 12 ft. .WED...SE winds 10 kt. Seas 7 to 10 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...S winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .OVERNIGHT...SW winds 15 to 25 kt W of 70W, and SE 25 to 35 kt elsewhere. Seas 10 to 15 ft. .SUN...NW winds 15 to 25 kt W of 70W, and S 20 to 30 kt elsewhere. Seas 9 to 14 ft. .SUN NIGHT...N winds 15 to 25 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 10 to 15 ft. .MON...N winds 15 to 25 kt W of 70W, and NW 10 to 20 kt elsewhere. Seas 11 to 16 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 13 to 18 ft. .TUE...NW winds 15 to 25 kt. Seas 13 to 18 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 10 to 15 ft. .WED...N winds 10 to 20 kt. Seas 8 to 12 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .THU...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. Bahamas N of 22N .OVERNIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NW winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...S winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...W winds less than 10 kt, becoming NW 10 to 20 kt after midnight. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...S winds 15 to 25 kt. Seas 8 to 12 ft. .SUN...W winds 10 to 20 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 8 to 12 ft. .SUN NIGHT...W winds 10 to 15 kt. Seas 8 to 11 ft. .MON...NW winds 10 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 8 to 13 ft. .TUE...NW winds 10 to 20 kt. Seas 9 to 14 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 10 to 14 ft. .WED...N winds 10 to 20 kt. Seas 9 to 12 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft. .THU...N winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...NW winds less than 10 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...S winds 10 to 20 kt. Seas 6 to 8 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...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .TUE NIGHT...N winds less than 10 kt. Seas 6 to 8 ft. .WED...NW winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .THU...N winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 15 kt. Seas 8 to 9 ft. .SUN...SE winds 15 kt. Seas 7 to 9 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 10 to 15 kt. Seas 5 to 7 ft. .TUE...SW winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 6 to 9 ft. .WED...W winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. .THU...W winds 10 to 15 kt. Seas 7 to 9 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 7 to 8 ft.