000 FZNT31 KNHC 212013 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 313 PM EST Wed Feb 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...Strong high pres across the NW Atlc will dominate the region as it settles across the Bermuda area through the end of the week. Fresh to strong tradewinds will prevail across the Caribbean and Tropical N Atlc waters through Thu, with nocturnal winds pulsing to gale force winds off of Colombia. High pres will weaken through the weekend into early next week, leading to diminishing winds and seas. NW Caribbean W of 85W .TONIGHT...E winds 20 to 25 kt S of 17N W of 87W, and E 15 to 20 kt elsewhere. Seas 5 to 8 ft. .THU...E winds 15 to 20 kt. Seas 5 to 8 ft. .THU NIGHT...E winds 20 to 25 kt S of 17N W of 87W, and E 15 to 20 kt elsewhere. Seas 4 to 7 ft. .FRI...E winds 15 to 20 kt S of 17N W of 87W, and E 10 to 15 kt elsewhere. Seas 4 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 6 ft. .SAT...E to SE winds 10 to 15 kt. Seas 3 to 6 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 3 to 6 ft. .SUN...E to SE winds 15 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 4 to 7 ft. .MON...E winds 15 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 3 to 6 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft S of 18N, and 5 to 7 ft elsewhere. .THU...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft S of 18N, and 5 to 7 ft elsewhere. .THU NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft S of 18N, and 6 to 8 ft elsewhere. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 5 to 7 ft elsewhere. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 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 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... ...GALE CONDITIONS POSSIBLE FRI NIGHT... .TONIGHT...NE to E winds 30 to 35 kt Within 90 nm of coast of Colombia, and NE to E 20 to 30 kt elsewhere. Seas 8 to 17 ft. .THU...NE to E winds 20 to 30 kt, except 30 to 35 kt Within 90 nm of coast of Colombia in the morning. Seas 8 to 15 ft. .THU NIGHT...NE to E winds 30 to 35 kt Within 90 nm of coast of Colombia, and NE to E 20 to 30 kt elsewhere. Seas 8 to 14 ft. .FRI...NE to E winds 20 to 25 kt, except 25 to 35 kt Within 90 nm of coast of Colombia early. Seas 8 to 14 ft. .FRI NIGHT...NE to E winds 20 to 25 kt, increasing to 25 to 35 kt Within 90 nm of coast of Colombia after midnight. Seas 8 to 13 ft. .SAT...NE to E winds 20 to 25 kt. Seas 8 to 12 ft. .SAT NIGHT...NE to E winds 20 to 25 kt. Seas 8 to 11 ft. .SUN...E winds 15 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 10 ft. .MON...NE to E winds 15 to 20 kt. Seas 6 to 10 ft. .MON NIGHT...NE to E winds 15 to 20 kt. Seas 5 to 8 ft. SW Caribbean S of 11N .TONIGHT...NE winds 20 to 25 kt. Seas 12 to 14 ft. .THU...NE winds 15 to 20 kt S of 10N, and NE to E 20 to 25 kt elsewhere. Seas 12 to 16 ft. .THU NIGHT...NE winds 20 to 25 kt. Seas 11 to 13 ft. .FRI...N to NE winds 15 to 20 kt S of 10N, and NE to E 20 to 25 kt elsewhere. Seas 11 to 13 ft. .FRI NIGHT...NE winds 15 to 20 kt. Seas 10 to 12 ft. .SAT...NE winds 15 to 20 kt. Seas 9 to 11 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 8 to 10 ft. .SUN...NE winds 10 to 15 kt. Seas 6 to 10 ft. .SUN NIGHT...NE winds 15 to 20 kt. Seas 5 to 8 ft. .MON...NE winds 15 to 20 kt. Seas 5 to 8 ft. .MON NIGHT...N to NE winds 15 to 20 kt. Seas 5 to 8 ft. Caribbean between 64W and 72W .TONIGHT...NE to E winds 20 to 25 kt. Seas 8 to 10 ft. .THU...NE to E winds 15 to 20 kt. Seas 9 to 11 ft. .THU NIGHT...NE to E winds 20 to 25 kt. Seas 9 to 11 ft. .FRI...NE to E winds 15 to 20 kt. Seas 9 to 11 ft. .FRI NIGHT...NE to E winds 15 to 20 kt. Seas 8 to 10 ft. .SAT...NE to E winds 15 to 20 kt. Seas 8 to 10 ft. .SAT NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 10 ft. .SUN...NE to E winds 15 kt. Seas 5 to 8 ft. .SUN NIGHT...NE to E winds 15 kt. Seas 4 to 7 ft. .MON...NE to E winds 10 to 15 kt. Seas 4 to 7 ft. .MON NIGHT...NE to E winds 15 kt. Seas 4 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. .THU...NE winds 15 to 25 kt. Seas 9 to 14 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 9 to 14 ft. .FRI...NE winds 10 to 20 kt. Seas 8 to 13 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...NE winds 10 to 20 kt. Seas 8 to 11 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 8 to 11 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...W Atlc ridge will persist along 33N-34N through Thu then drift SW and slowly weaken through the weekend. Gentle to moderate winds will prevail N of 25N with fresh to strong winds S of 25N through Thu. NNE swell will move through waters E of 65W through Fri night. A weak cold front may move off the NE Florida coast early next week. ATLC waters from 27N to 31N W of 77W .TONIGHT...E to SE winds 15 to 20 kt. Seas 6 to 10 ft. .THU...E to SE winds 10 to 15 kt. Seas 6 to 10 ft. .THU NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 10 ft. .FRI...E to SE winds 10 to 15 kt. Seas 6 to 10 ft. .FRI NIGHT...E to SE winds 10 to 15 kt. Seas 5 to 8 ft. .SAT...SE winds 10 to 15 kt. Seas 5 to 8 ft. .SAT NIGHT...SE to S winds 10 to 15 kt. Seas 4 to 7 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 7 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 7 ft. .MON...S to SW winds 10 to 15 kt. Seas 3 to 6 ft. .MON NIGHT...S to SW winds 5 to 10 kt, shifting to NE late. Seas 3 to 6 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 15 kt. Seas 7 to 10 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 6 to 8 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .MON...S winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. Bahamas N of 22N .TONIGHT...E winds 20 to 25 kt. Seas 8 to 12 ft ATLC Exposures, and 6 to 10 ft elsewhere. .THU...E winds 15 to 20 kt. Seas 8 to 14 ft ATLC Exposures, and 6 to 10 ft elsewhere. .THU NIGHT...E winds 20 to 25 kt. Seas 8 to 14 ft ATLC Exposures, and 6 to 10 ft elsewhere. .FRI...E winds 15 to 20 kt. Seas 8 to 14 ft ATLC Exposures, and 6 to 10 ft elsewhere. .FRI NIGHT...E winds 15 to 20 kt. Seas 7 to 10 ft. .SAT...E to SE winds 15 to 20 kt. Seas 6 to 10 ft. .SAT NIGHT...E to SE winds 15 to 20 kt. Seas 6 to 10 ft. .SUN...E to SE winds 10 to 15 kt. Seas 5 to 8 ft. .SUN NIGHT...E to SE winds 10 to 15 kt. Seas 4 to 7 ft. .MON...E to SE winds 10 to 15 kt. Seas 4 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...E winds 15 to 20 kt. Seas 9 to 13 ft. .THU...E winds 15 to 20 kt. Seas 9 to 13 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 9 to 12 ft. .FRI...E winds 15 to 20 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 8 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 9 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 20 to 25 kt. Seas 8 to 12 ft. .THU...E winds 20 to 25 kt. Seas 8 to 12 ft. .THU NIGHT...E winds 20 to 25 kt. Seas 8 to 12 ft. .FRI...E winds 20 to 25 kt. Seas 8 to 12 ft. .FRI NIGHT...E winds 20 to 25 kt. Seas 8 to 11 ft. .SAT...E winds 15 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 6 to 10 ft. .SUN...E winds 15 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 5 to 8 ft. .MON...E winds 15 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 4 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 20 to 25 kt. Seas 13 to 15 ft. .THU...E winds 20 to 25 kt. Seas 13 to 15 ft. .THU NIGHT...E winds 20 kt. Seas 12 to 14 ft. .FRI...NE winds 15 to 20 kt. Seas 10 to 12 ft. .FRI NIGHT...NE winds 15 to 20 kt. Seas 8 to 11 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 9 ft. .SAT NIGHT...NE winds 15 to 20 kt. Seas 7 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...NE winds 15 kt. Seas 6 to 8 ft. .MON...E winds 15 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 15 kt. Seas 6 to 8 ft.