000 FZNT31 KNHC 250917 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 517 AM EDT Mon Sep 25 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...Strong E to SE trades S of 15N between 65W and 71W will expand westward to the southern portion of the central Caribbean through late Wednesday morning, then diminish on Thursday. E to SE winds will pulse to fresh to strong during the evening hours beginning with this evening. NW Caribbean W of 85W .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 20 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 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .THU...SE winds 15 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...E winds 10 to 20 kt. S of 18N, seas 3 to 5 ft. Elsewhere, seas 2 to 3 ft. .TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .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. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt within 90 nm of coast of Colombia, and SE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt within 90 nm of coast of Colombia, and SE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TODAY...SW winds less than 10 kt. Seas 2 ft or less. .TONIGHT...S winds less than 10 kt. 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 less than 10 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .WED...S winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 3 to 4 ft. .THU...S winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI...S winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 6 to 8 ft. .TUE...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. .TUE NIGHT...E winds 15 to 25 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 5 to 7 ft. .FRI...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 .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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 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 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...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. .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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...Hurricane Maria centered at 30.6N 73.0W 957 mb at 5 AM EDT moving N or 355 degrees at 6 kt. Maximum sustained winds have diminished to 70 kt with gusts to 85 kt. Maria is forecast to maintain intensity as it reaches near 31.4N 73.2W by early this afternoon, and lift to N of the area later in the afternoon reaching to near 32.5N 73.3W by late tonight with maximum sustained winds 65 kt with gusts to 80 kt. Maria is forecast to reach near 33.5N 73.W by early Thursday afternoon with same intensity. 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 high pressure builds westward across the eastern portion of the area. A weak cold front is expected to approach the SE United States on Friday. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 10 to 20 kt. Seas 11 to 16 ft. .TONIGHT...N winds 10 to 20 kt. Seas 9 to 14 ft. .TUE...NW winds 10 to 20 kt. Seas 8 to 13 ft. .TUE NIGHT...W winds 10 to 20 kt. Seas 8 to 11 ft. .WED...W winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...W winds 10 to 15 kt. Seas 6 to 8 ft. .THU...W winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...SW winds less than 10 kt. Seas 5 to 7 ft. .FRI...SW winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 6 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...HURRICANE WARNING... .TODAY...HURRICANE CONDITIONS. W winds 60 to 70 kt W of 70W, and S 25 to 35 kt elsewhere. W of 70W, seas 19 to 29 ft, subsiding to 16 to 26 ft in the afternoon. Elsewhere, seas 13 to 18 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. W winds 45 to 55 kt W of 70W, and S 20 to 30 kt elsewhere. W of 70W, seas 17 to 22 ft, subsiding to 14 to 19 ft after midnight. Elsewhere, seas 12 to 17 ft. .TUE...TROPICAL STORM CONDITIONS EXPECTED. W winds 30 to 40 kt W of 70W, and S 20 to 30 kt elsewhere. Seas 11 to 16 ft. .TUE NIGHT...W winds 20 to 30 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 9 to 14 ft W of 70W, and 8 to 11 ft elsewhere. .WED...SW winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft. .THU...SW winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...W of 70W, W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, SW winds 10 to 20 kt. Seas 6 to 8 ft W of 70W, and 8 to 11 ft elsewhere. Bahamas N of 22N .TODAY...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...NW winds less than 10 kt. Seas 4 to 6 ft. .TUE...W winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...N winds less than 10 kt, shifting to E after midnight. Seas 2 to 3 ft. .THU...SE winds less than 10 kt. Seas 3 ft. .THU NIGHT...SE winds 10 to 15 kt after midnight. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SW winds 10 to 20 kt. Seas 10 to 15 ft W of 70W, and 8 to 11 ft elsewhere. .TONIGHT...SW winds 10 to 20 kt. Seas 8 to 11 ft. .TUE...SW winds 10 to 20 kt. Seas 7 to 9 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. .WED...S winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...SW winds less than 10 kt W of 70W, and S 10 to 15 kt elsewhere. Seas 5 to 7 ft. .THU...W of 70W, SW winds less than 10 kt, shifting to S in the afternoon. Elsewhere, S winds 10 to 15 kt. Seas 6 to 7 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. ATLC waters S of 22N W of 65W .TODAY...S winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 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. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 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. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 7 ft.