000 FZNT31 KNHC 182054 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 454 PM EDT Mon Sep 18 2023 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 Atlantic from 07N to 19N between 55W and 64W .SYNOPSIS...Long period north to northeast swell will impact the Caribbean passages and Tropical N Atlantic through the early part of this week. Moderate to fresh trades will prevail in the central Caribbean, locally strong at times offshore northern Colombia and northwest Venezuela, with moderate or weaker winds elsewhere through the week. NW Caribbean W of 85W .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .WED...E winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .THU...E winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .THU NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .FRI...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SAT...NE winds less than 10 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .THU...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .THU NIGHT...E winds 10 to 15 kt S of 18N, and N less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .FRI...E winds 10 to 15 kt S of 18N, and N less than 10 kt elsewhere. Seas 3 ft. .FRI NIGHT...E winds 10 to 15 kt S of 18N, and N less than 10 kt elsewhere. Seas 3 ft. .SAT...E winds 10 to 15 kt S of 18N, and SE less than 10 kt elsewhere. Seas 2 ft or less, building to 3 ft in the afternoon. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 15 to 25 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .WED...E winds 15 to 25 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt, shifting to S in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. .WED...N winds less than 10 kt, shifting to SW in the afternoon. Seas 3 ft. .WED NIGHT...NW winds less than 10 kt. Seas 3 ft. .THU...W winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TONIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 4 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 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 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 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 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 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Hurricane Nigel is near 28.0N 52.2W at 5 PM EDT, and is moving northwest at 10 kt. Maximum sustained winds are 70 kt with gusts to 85 kt, and the minimum central pressure is 982 mb. Nigel will move to near 31N 54.5W Tue afternoon, 36N 53.5W Wed afternoon, then begin to slowly weaken as it moves to near 42N44W Thu afternoon. A cold front extending from 31N75W to Stuart, FL will reach from near 31N72W to near West Palm Beach, Florida Tue, then stall over the northern forecast waters through Thu. The boundary should begin moving N Fri as low pres develops along it, to the east of northern Florida. Winds and seas will likely increase in that area by the end of the week as a tight pressure gradient develops between the developing low pres off the Carolinas and high pressure inland over the U.S. ATLC waters from 27N to 31N W of 77W .TONIGHT...N winds 10 to 15 kt, shifting to NE after midnight. Seas 4 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 15 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...N winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...N winds 20 to 30 kt. Seas 8 to 11 ft. .SAT...W winds 20 to 30 kt. Seas 8 to 13 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...W of 70W, SW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...W of 70W, SW winds 10 to 15 kt, shifting to NE in the afternoon. Elsewhere, E winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt W of 70W, and E less than 10 kt elsewhere. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .THU...E winds 15 to 25 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 5 to 6 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 5 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 5 to 6 ft. .FRI NIGHT...S winds 15 to 25 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SAT...S winds 15 to 25 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 6 to 8 ft. Bahamas N of 22N .TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. .TUE...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...SE winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt, shifting to W in the afternoon. Seas 2 ft or less. .FRI NIGHT...N winds less than 10 kt, shifting to S after midnight. Seas 2 ft or less. .SAT...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .TUE...W of 70W, SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds less than 10 kt. Seas 4 to 6 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 15 kt. Seas 5 to 6 ft. .THU...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 5 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 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 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...SE winds less than 10 kt. Seas 6 to 8 ft. .TUE...SE winds less than 10 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 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. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 6 ft.