000 FZNT31 KNHC 051511 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1111 AM EDT Thu Apr 5 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...Fresh to locally strong nocturnal trades will continue along the northwest coast of Colombia through Mon night. Fresh to locally strong easterly trades are forecast to resume across the Gulf of Honduras on Sat night. These winds will increase in coverage Sat night. Otherwise, gentle to moderate trades are forecast elsewhere through Mon night. NW Caribbean W of 85W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds less than 10 kt. Seas 2 ft or less. .TONIGHT...NE winds less than 10 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...SE 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...E winds 10 to 15 kt. Seas 2 to 3 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...Within 90 nm of coast of Colombia, NE winds 10 to 20 kt. Elsewhere, NE winds less than 10 kt, shifting to E after midnight. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 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 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 15 kt, shifting to NE after midnight. Seas 3 to 5 ft. .FRI...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .SAT...NE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .SUN...NE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .SAT...E winds 10 to 15 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 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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...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 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 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...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 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 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 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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front extending from 31N72W to the NW Bahamas and to S Florida will reach from near Bermuda to the central Bahamas this evening, then stall from near 28N65W to the central Bahamas on Fri. It will gradually dissipate through Sat as a ridge re-forms from near Bermuda to central Florida. Fresh to locally strong southerly flow will develop north of the ridge on Sat ahead of a second cold front expected to move across the northwest waters on Sat night. This cold front will reach from near 30N65W to the northern Bahamas on Sun night, then stall along 26N on Mon and weaken. The front will lift back north as a warm front on Tue. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...N winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .THIS AFTERNOON...N winds 10 to 20 kt W of 70W, and SW less than 10 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...W of 70W, NE winds 10 to 20 kt. Elsewhere, NW winds less than 10 kt, becoming NE 10 to 20 kt after midnight. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...SW winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. Bahamas N of 22N .THIS AFTERNOON...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...NE winds less than 10 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...S winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .SUN...SW winds less than 10 kt. Seas 2 to 3 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 2 to 3 ft. .MON...SE winds less than 10 kt. Seas 2 to 3 ft. .MON NIGHT...SE winds less than 10 kt. Seas 2 to 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .SAT...SE winds 10 kt. Seas 4 to 6 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 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 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft.