000 FZNT31 KNHC 241506 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1106 AM EDT Sun Sep 24 2017 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 relatively weak pressure gradient across the area will begin to tighten some on Monday allowing for strong nocturnal trades to develop along the NW coast of Venezuela and NE coast of Colombia through early Thursday. Pulsing fresh to strong E to SE winds are also expected across the Gulf of Honduras during the evening hours begining on Monday. NW Caribbean W of 85W .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds 10 to 20 kt. Seas 2 ft or less. .MON...SE winds 10 to 20 kt. Seas 3 ft. .MON NIGHT...SE winds 15 to 25 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, S winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .MON...SE winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .MON NIGHT...E winds 10 to 20 kt. S of 18N, seas 3 to 5 ft. Elsewhere, seas 2 ft or less, building to 3 ft after midnight. .TUE...SE winds 15 to 25 kt S of 18N, and SE 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 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. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...NE winds less than 10 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 2 ft or less. .TONIGHT...E winds 10 to 20 kt. Seas 3 ft. .MON...SE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .TUE...SE winds 15 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .WED...SE winds 15 to 25 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...S winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. .TUE...S winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...Variable winds less than 10 kt, becoming S 10 to 15 kt after midnight. Seas 2 ft or less. .WED...S winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .THU...S winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .THIS AFTERNOON...Gulf of Venezuela, S winds less than 10 kt, shifting to NE in the afternoon. Elsewhere, SE winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Gulf of Venezuela, seas 2 ft or less, building to 3 to 4 ft after midnight. Elsewhere, seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .MON NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TUE NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .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. 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 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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. 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 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 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 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...Hurricane Maria is centered near 28.7N 72.9W at 24/1500 UTC, moving N or 350 degrees at 8 kt. Maximum sustained winds are 90 kt with gusts to 110 kt. Estimated minimum central pressure is 947 mb. Maria is forecast to maintain intensity as it reaches near 29.7N 73.1W this evening, and near 30.8N 73.2W early Monday morning. Then, Maria will weaken a little as it reaches near 31.9N 73.3W by Monday evening, with maximum sustained winds 85 kt gusts to 105 kt and continue to further weaken as it reaches N of the area near 32.9N 73.4W on Tuesday morning. A trough will extend SW from the N-central waters to the Central Bahamas in the wake of Maria through Wednesday night, and become diffuse on Thursday as central Atlantic high pressure builds westward across the eastern portion of the area. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...N winds 10 to 20 kt. Seas 11 to 16 ft. .TONIGHT...N winds 10 to 20 kt. Seas 11 to 16 ft. .MON...N winds 10 to 20 kt. Seas 11 to 16 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 9 to 14 ft. .TUE...NW winds 10 to 20 kt. Seas 9 to 13 ft. .TUE NIGHT...W winds 10 to 20 kt. Seas 8 to 11 ft. .WED...W winds 10 to 15 kt. Seas 7 to 10 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft. .THU...NW winds 10 kt. Seas 6 to 9 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...HURRICANE WARNING... .THIS AFTERNOON...HURRICANE CONDITIONS. NE winds 70 to 80 kt W of 70W, and SE 25 to 35 kt elsewhere. Seas 22 to 32 ft W of 70W, and 14 to 19 ft elsewhere. .TONIGHT...HURRICANE CONDITIONS EXPECTED. W winds 70 to 80 kt W of 70W, and S 25 to 35 kt elsewhere. Seas 21 to 31 ft W of 70W, and 13 to 18 ft elsewhere. .MON...HURRICANE CONDITIONS EXPECTED. W winds 70 to 80 kt W of 70W, and S 25 to 35 kt elsewhere. Seas 18 to 28 ft W of 70W, and 13 to 18 ft elsewhere. .MON NIGHT...TROPICAL STORM CONDITIONS EXPECTED. W of 70W, W winds 55 to 65 kt, diminishing to 40 to 50 kt after midnight,Seas 15 to 25 ft, subsiding to 15 to 20 ft after midnight. Elsewhere, S winds 20 to 30 kt,Seas 12 to 17 ft. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, W winds 30 to 40 kt, diminishing to 20 to 30 kt in the afternoon. Elsewhere, S winds 20 to 30 kt. Seas 11 to 16 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...TROPICAL STORM CONDITIONS POSSIBLE. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .THU...W winds 10 to 20 kt. Seas 8 to 11 ft. Bahamas N of 22N .THIS AFTERNOON...NW winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .MON...W winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. .TUE...W winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...W winds less than 10 kt. Seas 3 to 4 ft. .THU...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...TROPICAL STORM WARNING... .THIS AFTERNOON...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 25 to 35 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 13 to 18 ft W of 70W, and 8 to 13 ft elsewhere. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SW winds 20 to 30 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 11 to 16 ft W of 70W, and 8 to 13 ft elsewhere. .MON...SW winds 10 to 20 kt. Seas 10 to 15 ft W of 70W, and 8 to 11 ft elsewhere. .MON NIGHT...SW winds 10 to 20 kt. Seas 8 to 11 ft. .TUE...SW winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 6 to 9 ft. .WED...S winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 6 to 7 ft. .THU...W of 70W, W winds less than 10 kt, shifting to SW in the afternoon. Elsewhere, S winds 10 to 15 kt. Seas 6 to 7 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...S winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .MON...S winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 6 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .THU...E winds 10 to 15 kt. Seas 6 to 7 ft.