000 FZNT31 KNHC 280735 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 335 AM EDT Wed Mar 28 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...High pressure east of Jacksonville FL will support fresh to strong trades in the south-central Caribbean through Sat. Winds will pulse to minimal gale force near the coast of Colombia each night through Fri morning. Large N to NE swell will propagate into the Caribbean through Fri morning. Fresh to strong winds will develop in the Gulf of Honduras tonight and Thu night. Seismic activity with undersea volcano Kick em Jenny, north of Grenada near 12.18N 61.38W has steadily declined, and the alert level for mariners has returned to normal, with an exclusion zone of 1.5 km. Please see www.nadma.gd for additional information. NW Caribbean W of 85W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...SE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft. .FRI...SE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 kt. Seas 3 to 4 ft. .SUN...NE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 20 kt S of 18N, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... .TODAY...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft. .TONIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Within 90 nm of coast of Colombia, seas 8 to 11 ft, building to 9 to 14 ft after midnight. Elsewhere, seas 8 to 11 ft. .THU...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .THU NIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .FRI...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .THU...NE winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...NE winds 10 to 20 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TODAY...NE winds 10 to 20 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...NE winds 20 to 25 kt Gulf of Venezuela, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .THU NIGHT...NE winds 20 to 25 kt Gulf of Venezuela, and NE 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN 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...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU...E winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .SUN...E winds 10 kt. Seas 4 to 6 ft. .SUN 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 .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A weakening cold front along 20N will push southward today then weaken and dissipate near Puerto Rico by Thu. Strong NE winds will affect the southern Bahamas, adjacent waters and Atlantic approaches through Fri. Large NE swell will impact the waters NE of the Bahamas through Fri morning. A new cold front will move off NE Florida Fri afternoon, stall N of the Bahamas Sat morning, then lift N of the area as a warm front Sat night. ATLC waters from 27N to 31N W of 77W .TODAY...SE winds 10 to 15 kt. Seas 8 to 12 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 10 to 12 ft. .THU...SE winds 15 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...S winds 15 to 20 kt. Seas 7 to 9 ft. .FRI...S winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...W of 70W, NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, N winds 10 to 15 kt. Seas 10 to 15 ft W of 70W, and 13 to 16 ft elsewhere. .TONIGHT...W of 70W, NE winds less than 10 kt, shifting to E after midnight. Elsewhere, N winds 10 to 15 kt. Seas 9 to 13 ft. .THU...E winds 10 to 15 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt, shifting to E after midnight. Seas 3 to 5 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE 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 less than 10 kt. Seas 4 to 6 ft. Bahamas N of 22N .TODAY...E winds 15 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 15 to 20 kt. Seas 6 to 9 ft. .THU...E winds 15 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 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 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NE winds 10 to 20 kt. Seas 10 to 13 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 11 to 13 ft. .THU...NE winds 10 to 20 kt. Seas 8 to 12 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...NE winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...NE winds 15 to 20 kt. Seas 8 to 11 ft. .THU...NE winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...NE winds 10 to 20 kt. Seas 8 to 11 ft. .TONIGHT...N winds 10 to 20 kt. Seas 8 to 12 ft. .THU...N winds 10 to 15 kt. Seas 8 to 11 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 7 to 9 ft. .FRI...N winds 10 to 15 kt. Seas 7 to 8 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .SUN...E winds 10 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 kt. Seas 4 to 5 ft.