HF Voice Broadcast (Caribbean/SW Atlantic)


  673  FZNT31 KNHC 230251 OFFN20  Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1051 PM EDT Wed May 22 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 strong deep level trough continueS across the Caribbean tonight, from central Cuba to Costa Rica, and will begin to lift out to the NE Thu through Sat. This feature will support active weather across the central portions of the basin, which will gradually shift NE and into the Atlc through Fri. Fresh to strong E to SE winds in the north-central Caribbean will shift northeastward tonight through Thu while diminishing to mostly fresh speeds. A broad and weak trough will prevail across the north-central Caribbean Thu night through Sat, yielding moderate trade winds across the E portions and moderate to fresh winds across NW portions of the basin. Smoke due to agricultural fires in Central America continues across the Gulf of Honduras, and spreads NW to the Yucatan coast.   NW Caribbean W of 85W  .OVERNIGHT...E 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 5 ft.  .FRI...SE winds 10 to 15 kt. Seas 3 to 5 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 20 kt. Seas 4 to 6 ft.  .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft.  .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.  .MON...SE winds 10 to 20 kt. Seas 5 to 7 ft.  .MON NIGHT...E 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 5 to 7 ft.  .THU...E winds less than 10 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft.  .THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft.  .FRI...E winds less than 10 kt. Seas 3 to 5 ft.  .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft.  .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft.  .SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft.  .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.  .MON...E winds 10 to 15 kt. Seas 3 to 5 ft.  .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.   Caribbean from 11N to 15N W of 72W  .OVERNIGHT...E winds less than 10 kt. Seas 4 to 6 ft.  .THU...E winds less than 10 kt. Seas 4 to 6 ft.  .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.  .FRI...E winds less than 10 kt. Seas 3 to 4 ft.  .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft.  .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft.  .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.  .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.  .MON...E winds 10 to 20 kt. Seas 4 to 6 ft.  .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft.   SW Caribbean S of 11N  .OVERNIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 3 to 4 ft.  .THU...S winds less than 10 kt. Seas 3 to 4 ft.  .THU NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.  .FRI...Variable winds less than 10 kt. Seas 3 ft.  .FRI NIGHT...Variable winds less than 10 kt. Seas 3 ft.  .SAT...Variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less.  .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less.  .SUN...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft.  .SUN NIGHT...E winds less than 10 kt. Seas 3 ft.  .MON...NE winds less than 10 kt. Seas 3 to 4 ft.  .MON NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft.   Caribbean between 64W and 72W  .OVERNIGHT...E winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere.  .THU...Gulf of Venezuela, NE winds 10 kt in the morning, becoming variable winds less than 10 kt, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, E winds 10 to 20 kt, seas 4 to 6 ft.  .THU NIGHT...Variable winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere.  .FRI...Variable winds less than 10 kt Gulf of Venezuela, and SE 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 5 ft elsewhere.  .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.  .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft.  .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.  .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft.  .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.  .MON...E winds 10 to 15 kt. Seas 3 to 5 ft.  .MON 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  .OVERNIGHT...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 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...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft.  .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft.  .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft.  .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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...E winds 10 to 15 kt. Seas 3 to 5 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.  .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 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.  .SUN...E 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. Seas 4 to 6 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 trough extends from 30N68W to the central Bahamas. Scattered showers and thunderstorms prevail across the western  Atlantic between the trough and 60W, supported by a deep layered upper trough extending from offshore of North Carolina through central Cuba. The surface trough will weaken and dissipate through Thu. A second surface trough extending through the Windward Passage, across the SE Bahamas to 25N70W will drift eastward through Sat. Weak low pressure is expected to develop along the trough just N of Hispaniola Thu night and shift N-NE through Sat night, accompanied by moderate to fresh winds and active weather.   ATLC waters from 27N to 31N W of 77W  .OVERNIGHT...E winds 10 kt. Seas 3 to 4 ft.  .THU...Variable winds less than 10 kt, becoming NE less than 10 kt in the afternoon. Seas 3 to 4 ft.  .THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.  .FRI...Variable winds less than 10 kt. Seas 3 ft.  .FRI NIGHT...S winds less than 10 kt. Seas 3 ft.  .SAT...SW winds less than 10 kt. Seas 3 ft.  .SAT NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft.  .SUN...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft.  .SUN NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft.  .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft.  .MON NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft.   ATLC waters from 27N to 31N between 65W and 77W  .OVERNIGHT...SE winds less than 10 kt. Seas 4 ft.  .THU...Variable winds less than 10 kt, becoming SE less than 10 kt in the afternoon. Seas 3 to 4 ft.  .THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.  .FRI...W of 70W, Variable winds less than 10 kt, becoming NE less than 10 kt in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas 4 to 6 ft.  .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft.  .SAT...NW winds 10 to 15 kt. Seas 4 to 6 ft.  .SAT NIGHT...W winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft.  .SUN...SW winds 10 kt. Seas 4 to 6 ft.  .SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.  .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft.  .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft.   Bahamas N of 22N  .OVERNIGHT...E winds less than 10 kt. Seas 2 ft or less.  .THU...NE winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon.  .THU NIGHT...E winds less than 10 kt. Seas 3 ft.  .FRI...Variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less.  .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less.  .SAT...Variable winds less than 10 kt. Seas 2 ft or less.  .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less.  .SUN...SE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds less than 10 kt. Seas 2 ft or less.  .MON...SE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less.   ATLC waters from 22N to 27N between 65W and the Bahamas  .OVERNIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft.  .THU...SE winds less than 10 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 4 to 5 ft.  .THU NIGHT...W of 70W, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, SE winds 10 to 20 kt. Seas 5 to 7 ft.  .FRI...N winds less than 10 kt W of 70W, and S 10 to 20 kt elsewhere. Seas 3 to 5 ft W of 70W, and 6 to 8 ft elsewhere.  .FRI NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft.  .SAT...NW winds less than 10 kt. Seas 5 to 7 ft.  .SAT NIGHT...N winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 6 ft.  .SUN...Variable winds less than 10 kt. Seas 3 to 5 ft.  .SUN NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 3 to 4 ft.  .MON...SE winds less than 10 kt. Seas 3 to 4 ft.  .MON NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft.   ATLC waters S of 22N W of 65W  .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft.  .THU...SE winds 10 to 20 kt. Seas 3 to 5 ft.  .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft.  .FRI...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft.  .FRI NIGHT...W winds less than 10 kt, shifting to SE after midnight. Seas 3 to 5 ft.  .SAT...E winds less than 10 kt. Seas 3 to 5 ft.  .SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft.  .SUN...E winds less than 10 kt. Seas 3 to 4 ft.  .SUN NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft.  .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft.   ATLC waters from 19N to 22N between 55W and 65W  .OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.  .THU...E winds 10 to 15 kt. Seas 5 to 6 ft.  .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.  .FRI...SE winds 10 to 15 kt. Seas 5 to 6 ft.  .FRI NIGHT...SE winds 10 to 15 kt. Seas 5 ft.  .SAT...SE winds less than 10 kt. Seas 4 to 5 ft.  .SAT NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft.  .SUN...SE winds 10 kt. Seas 4 to 5 ft.  .SUN NIGHT...E winds 10 kt. Seas 4 to 5 ft.  .MON...E winds 10 kt. Seas 4 to 5 ft.  .MON NIGHT...E winds 10 kt. Seas 4 to 5 ft.