000 FZNT31 KNHC 211453 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1053 AM EDT Thu Jun 21 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...A tropical wave passing south of Haiti will pass S of Jamaica tonight and into the western Caribbean Fri. A tropical wave has reached the Lesser Antilles and will enter the eastern Caribbean tonight. Fresh to strong winds will affect the Gulf of Honduras each night tonight through Mon night. Trade winds over the south- central Caribbean will strengthen and expand in areal coverage across the basin through early next week as high pressure builds across the central Atlantic. Winds could reach near gale force along the coast of Colombia by Sun night. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...S of 17N E to SE winds 20 to 25 kt. Seas 5 to 7 ft. Elsewhere, E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...S of 18N E to SE winds 20 to 25 kt. Seas 5 to 7 ft. Elsewhere,E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...S of 18.5N E to SE winds 20 to 25 kt. Seas 5 to 7 ft. Elsewhere, E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...S of 18N E to SE winds 20 to 25 kt. Seas 5 to 7 ft. Elsewhere, E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...S of 17N E to SE winds 20 to 25 kt. Seas 5 to 7 ft. Elsewhere, E winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 ft elsewhere. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .MON...E winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...Within 90 nm of coast of Colombia, NE winds 10 to 20 kt, shifting to E 20 to 25 kt after midnight. Elsewhere, E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .FRI NIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft within 90 nm of coast of Colombia, and 5 to 7 ft elsewhere. .SAT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 20 to 30 kt. Seas 8 to 11 ft. .MON...E winds 20 to 30 kt. Seas 8 to 13 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. SW Caribbean S of 11N .THIS AFTERNOON...Variable winds less than 10 kt. Seas 3 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 ft. .FRI...NE winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt, shifting to S in the afternoon. Seas 5 to 7 ft. .SUN NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 8 ft. .MON...NE winds 10 to 15 kt, shifting to S in the afternoon. Seas 6 to 9 ft. .MON NIGHT...N winds less than 10 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .FRI...Gulf of Venezuela, E winds 20 to 25 kt, shifting to NE 10 to 20 kt in the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .FRI NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .SAT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 7 to 10 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 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. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 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 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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 9 ft. .SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...High pressure over the east-central Atlantic will slowly shift westward through Sat night, then remain nearly stationary near 30N55W through Tue. The tightening pressure gradient that results over the central Atlantic will support fresh trade winds S of 23N and west of 50W. This will cause seas to build to 6-7 ft in southern waters E of the Bahamas this weekend. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...S winds less than 10 kt, shifting to SW after midnight. Seas 3 ft. .FRI...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .FRI NIGHT...SW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .SAT...SW winds 10 to 15 kt, shifting to W in the afternoon. Seas 3 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .THIS AFTERNOON...SW winds 10 kt. Seas 3 to 4 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. .MON...S winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 4 to 5 ft. Bahamas N of 22N .THIS AFTERNOON...SW winds less than 10 kt. Seas 2 ft or less. .TONIGHT...S winds less than 10 kt. Seas 2 ft or less. .FRI...S winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...S winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .SAT...SE winds 10 to 15 kt. Seas 2 to 3 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...S winds 10 kt. Seas 3 to 4 ft. .TONIGHT...S winds less than 10 kt W of 70W, and S 10 to 15 kt elsewhere. Seas 3 to 4 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 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. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 15 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 15 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .MON...E winds 15 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.