000 FZNT31 KNHC 070315 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1015 PM EST Sat Jan 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...A stationary front from Windward Passage to 16N80W TO 09N80W will weaken slowly and drift W to the S of 16N during the next few days. Strong high pres building SE toward the U.S. Atlc coast will support gales between Jamaica and lee of Cuba tonight through Sun morning, and through the Windward Passage and just NW of front W of 70W Sun. Merging NW and E swell will maintain high seas across tropical N Atlc E of 65W and Caribbean passages through Tue. The high will shift east early next week, with gradually improving conditions across the area. NW Caribbean W of 85W .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .TUE...NW winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt, shifting to NW after midnight. Seas 3 to 5 ft. .WED...NW winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .THU...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W ...GALE WARNING... .TONIGHT...NE winds 10 to 20 kt S of 18N, and NE increasing to 25 to 35 kt elsewhere. Seas 7 to 11 ft. .SUN...NE winds 10 to 20 kt S of 18N, and NE 20 to 30 kt elsewhere. Seas 8 to 11 ft. .SUN NIGHT...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 7 to 10 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 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 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 20 kt. Seas 4 to 6 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. Caribbean from 11N to 15N W of 72W .TONIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft within 90 nm of coast of Colombia, and 6 to 9 ft elsewhere. .SUN...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SUN NIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. 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 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 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 6 to 8 ft. SW Caribbean S of 11N .TONIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...N winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 4 to 6 ft. .MON NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .TUE...NW winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .WED...N winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .THU...NE winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 4 to 6 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .SUN NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 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 6 to 8 ft elsewhere. .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 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 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .SUN...E winds 10 to 20 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .MON...E winds 10 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .SUN...E winds 10 to 20 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...Strong NE winds NW of a stationary front from 25N65W to Windward Passage will expand in coverage through tonight as strong high pres builds SE toward the eastern U.S. coast. Gale force winds are expected NW of front to the S of the Turks and Caicos and in the approach to the Windward Passage Sun through Sun evening. Conditions across the region will improve Mon night through Tue as the high shifts E and weakens. Large NW swell will gradually fade across waters E of 75W through late Sun. A cold front will emerge off N FL coast Tue night with strong winds possible N of the front. ATLC waters from 27N to 31N W of 77W .TONIGHT...N winds 15 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 15 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...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...SE 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 20 kt. Seas 6 to 9 ft. .WED...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 8 to 10 ft. .THU...SE winds 10 to 20 kt. Seas 7 to 9 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TONIGHT...W of 70W, N winds 10 to 15 kt, increasing to 15 to 25 kt after midnight. Elsewhere, N winds 10 to 15 kt. Seas 6 to 9 ft W of 70W, and 9 to 12 ft elsewhere. .SUN...NE winds 15 to 25 kt W of 70W, and N 15 to 25 kt elsewhere. Seas 8 to 11 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 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. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...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...SE winds 15 to 20 kt. Seas 6 to 8 ft. Bahamas N of 22N .TONIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 15 to 25 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 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...NE winds 15 to 25 kt W of 70W, and NE 10 to 20 kt elsewhere. Seas 8 to 11 ft. .SUN...NE winds 15 to 25 kt. Seas 8 to 12 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 9 to 13 ft. .MON...E winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 9 to 12 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. .TUE...SE winds 10 to 15 kt. Seas 7 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...E winds 10 to 15 kt. Seas 6 to 7 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 7 to 8 ft. .THU...E winds 15 to 20 kt. Seas 7 to 8 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 8 ft. ATLC waters S of 22N W of 65W ...GALE WARNING... .TONIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...NE to E winds 20 to 30 kt increasing to 25 to 35 kt approach to Windward Passage. Seas 7 to 10 ft, building to 8 to 13 ft in the afternoon. .SUN NIGHT...E winds 20 to 30 kt. Seas 8 to 13 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. .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 15 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 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...SE winds 15 to 20 kt. Seas 10 to 11 ft. .SUN...E winds 15 to 20 kt. Seas 9 to 11 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 9 to 11 ft. .MON...E winds 15 to 20 kt. Seas 9 to 11 ft. .MON NIGHT...E winds 15 to 20 kt. Seas 9 to 11 ft. .TUE...E winds 15 to 20 kt. Seas 9 to 10 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. .WED...E winds 15 to 20 kt. Seas 7 to 9 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 7 to 8 ft. .THU...E winds 20 kt. Seas 7 to 8 ft. .THU NIGHT...E winds 20 to 25 kt. Seas 8 to 10 ft.