000 FZNT31 KNHC 210852 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 452 AM EDT Sun May 21 2023 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...A weakening pressure gradient across the basin will lead to gradually diminishing tradewinds and slight to moderate seas over the Caribbean E of 80W into the middle of next week, as an inverted surface trough N of the area along 72W develops into elongated low pressure and slowly lifts northward. Scattered showers and thunderstorms will impact waters near the coasts of Panama, Colombia and Venezuela through Mon morning then shift across the Caribbean waters E of 68W Mon through Tue. NW Caribbean W of 85W .TODAY...N winds less than 10 kt. Seas 3 ft. .TONIGHT...NE winds 10 kt. Seas 3 ft. .MON...N winds less than 10 kt. Seas 3 ft. .MON NIGHT...NE winds 10 kt. Seas 3 ft. .TUE...Variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...E winds 10 kt. Seas 2 ft or less. .WED...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .THU...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .TODAY...NE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .MON...NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 ft. .TUE...Variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .THU...S winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds less than 10 kt. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .MON...NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE...E winds 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...E winds less than 10 kt. Seas 3 ft. .THU...E winds 10 kt. Seas 3 ft. .THU NIGHT...E winds 10 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .MON...N winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt. Seas 3 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 ft. .WED...NE 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 2 ft or less. .THU NIGHT...NE winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...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...Gulf of Venezuela, S winds 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...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 15 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...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 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 less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 4 to 6 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...The Atlantic high pressure ridge is centered on the Azores high along 32W and extends W-SW to near 70W. An inverted surface trough is along 72W from Haiti to 27N, supported by upper level low pressure. The trough is expected to develop into elongated low pressure late today and move slowly drifts N-NE through Wed. Scattered showers and thunderstorms and freshening S to SE winds are expected near and E of the trough axis through Wed night. Another frontal trough may move off the SE US coast and impact far NW waters Thu. ATLC waters from 27N to 31N W of 77W .TODAY...Variable winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 10 kt. Seas 3 to 4 ft. .MON...NE winds 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. 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...E winds less than 10 kt. Seas 5 to 7 ft. .THU...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .WED...W winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...W winds 10 to 15 kt, shifting to SW after midnight. Seas 5 to 7 ft. .THU...S winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...S winds less than 10 kt, shifting to SE after midnight. Seas 5 to 6 ft. Bahamas N of 22N .TODAY...NE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE...Variable winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .WED...SW winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .THU...SW winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NE winds 10 to 15 kt W of 70W, and SE 15 to 20 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 7 to 10 ft. .MON...S winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 6 to 9 ft. .TUE...SW winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .WED...SW winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds less than 10 kt. Seas 5 to 6 ft. .THU...S winds 10 kt. Seas 5 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...S winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SW 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 3 to 5 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .WED...SE winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 20 kt. Seas 7 to 8 ft. .TONIGHT...E winds 15 to 20 kt. Seas 7 to 8 ft. .MON...SE winds 10 to 20 kt. Seas 7 to 8 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. .TUE...SE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 6 to 7 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.