000 FZNT31 KNHC 061953 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 353 PM EDT Sun May 6 2018 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 ATLC from 07N to 19N between 55W and 64W .SYNOPSIS...The southern portion of a surface trough that extends from western Cuba south to 19N83W will linger through Wed night while gradually dissipating. The gradient between it and strong central Atlantic high pressure that ridges southwestward across the eastern and central Caribbean will maintain fresh to strong east to southeast winds over the Caribbean E of 75W through late tonight, then diminish to mainly fresh winds through the rest of the period. A large upper-level low centered over eastern Cuba will gradually shift east-southeastward through tonight as it weakens to a trough into Mon. This trough will move eastward across the central and eastern Caribbean through Tue night. Scattered showers and isolated thunderstorms can be expected ahead of the trough. NW Caribbean W of 85W .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...N 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...E winds less than 10 kt. Seas 3 ft. .THU...E winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, S winds less than 10 kt, shifting to E after midnight. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt S of 18N, and S less than 10 kt elsewhere. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. 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...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 20 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 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TONIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .TUE...NW winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .WED...Variable winds less than 10 kt, becoming W less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .THU...Variable 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 to 4 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 3 to 5 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED...E winds 10 to 20 kt. Seas 5 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 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. .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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 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 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 6 to 8 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...The surface trough that moved across the basin the past few days has moved to the eastern Gulf of Mexico as central Atlantic high pressure continues to build westward across most of the area. A weak cold front over the far northwest waters will slowly move southeastward reaching from near 31N78W to the Straits of Florida early Mon, from near 31N77W to western Cuba by early Mon afternoon, then from near 31N74W to the central Bahamas and stationary to west-central Cuba early Tue. The cold front portion will then become stationary later on Tue. Fresh to strong southerly winds will precede the front north of about 27N through late Mon afternoon. The front will weaken through Thu night and dissipate Fri, with its remnants lifting northwest to near 29N on Fri as a high pressure center moves off the southeastern United States coast to near 31N75W Thu night and to near 31N70W Fri with a ridge extending to near 30N80W. ATLC waters from 27N to 31N W of 77W .TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .MON...W to NW winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .TUE...NE winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .THU...NE winds less than 10 kt. Seas 4 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TONIGHT...S winds 10 to 20 kt. Seas 6 to 9 ft. .MON...S winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...S winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .THU...S winds less than 10 kt. Seas 4 to 5 ft. .THU NIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .FRI...S winds less than 10 kt. Seas 4 ft. .FRI NIGHT...S winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. Bahamas N of 22N .TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .MON...S winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .THU...SE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt after midnight. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...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...SE winds 10 to 15 kt. Seas 6 to 7 ft. .TUE...SE winds 10 to 20 kt. Seas 6 to 7 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 6 ft. .WED...SE winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TONIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 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 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .MON...E winds 15 to 20 kt. Seas 7 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 7 ft. .TUE...E winds 15 to 20 kt. Seas 7 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft. .WED...E winds 15 kt. Seas 6 to 7 ft. .WED NIGHT...E winds 15 kt. Seas 5 to 7 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...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft.