000 FZNT31 KNHC 072054 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 354 PM EST Sun Jan 7 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 near the Windward Passage to western Jamaica and to just N of central Panama will gradually weaken and dissipate through Tue afternoon, with the remnants drifting westward through the period. Strong high pres building SE toward the U.S. Atlc coast will support gales between Jamaica and lee of Cuba through this afternoon, and through the Windward Passage just NW of front W of 70W later this morning through the afternoon. Merging NW and E swell will maintain high seas across the tropical N Atlc E of 65W and Caribbean passages through Tue. The high will shift eastward Mon through Tue night allowing for conditions to gradually improve over the area. NW Caribbean W of 85W .TONIGHT...E 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...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .WED...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .WED NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 3 ft. .THU...SE winds less than 10 kt. Seas 3 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .FRI NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W ...GALE WARNING... .TONIGHT...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt except 30 to 35 kt E of 82W. Seas 8 to 13 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt S of 18N, and E less than 10 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 to 5 ft elsewhere. .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 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...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 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...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. .TUE...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TUE NIGHT...NE 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 15 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 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...N winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .TUE...N 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 3 to 5 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. Seas 3 to 5 ft. .FRI...N winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .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 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .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 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI 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. .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 20 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 9 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 20 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 7 to 10 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 15 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 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI 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 near the Windward Passage will continue to expand in coverage through Mon as strong high pres builds southeastward towards the eastern U.S. coast. Gale force winds NW of the front to the S of the Turks and Caicos, and in the approach to the Windward Passage will persist through this evening. Conditions across the region will improve Mon through Tue night as the high shifts eastward and weakens. A N to S oriented trough will set up between the Bahamas and Florida waters Wed, and shift to the far NW waters early on Thursday. The trough is expected to move inland NE Florida and SE Georgia during Thu. Moderate return flow will become established over the area on Thu night and into Fri, with fresh to locally strong E winds over the far southern waters from the SE the Bahamas and eastward from there. ATLC waters from 27N to 31N W of 77W .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 8 to 10 ft. .THU...SE winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 6 to 7 ft. .FRI...S winds 10 to 15 kt. Seas 6 to 7 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TONIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...SE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...SE winds 15 to 20 kt. Seas 6 to 7 ft. .FRI...SE winds 15 to 20 kt. Seas 7 to 8 ft. .FRI NIGHT...SE winds 15 to 20 kt. Seas 7 to 9 ft. Bahamas N of 22N .TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...GALE WARNING... .TONIGHT...NE winds 15 to 25 kt, except 25 to 35 kt within 90 nm NW of front. Seas 8 to 12 ft, except 10 to 13 ft within 90 nm NW of front. .MON...E winds 10 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 8 to 9 ft. .TUE...SE winds 10 to 15 kt. Seas 7 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .WED...E winds 10 to 15 kt. Seas 6 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .THU...E winds 15 to 20 kt. Seas 7 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. .FRI...SE winds 15 to 20 kt. Seas 7 to 9 ft. .FRI NIGHT...SE winds 15 to 20 kt. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W ...GALE WARNING... .TONIGHT...E winds 20 to 30 kt, except 30 to 35 kt W of front. 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 8 ft. .TUE...SE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 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 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...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 10 ft. .TUE...E winds 15 to 20 kt. Seas 8 to 9 ft. .TUE NIGHT...E winds 15 kt. Seas 7 to 9 ft. .WED...E winds 10 to 15 kt. Seas 7 to 8 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 20 to 25 kt. Seas 8 to 10 ft. .FRI...E winds 20 to 25 kt. Seas 9 to 10 ft. .FRI NIGHT...E winds 20 to 25 kt. Seas 10 to 11 ft.