000 FZNT31 KNHC 180314 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1114 PM EDT Sun Sep 17 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 may impact the Caribbean passages and Tropical N Atlantic through the early part of the week. Moderate to fresh trades will prevail in the central Caribbean, locally strong at times offshore northern Colombia, with moderate or weaker winds elsewhere through the week. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .MON...E winds 10 to 15 kt, shifting to NE in the afternoon. Seas 2 ft or less. .MON NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...NE to E winds less than 10 kt. 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. .THU...E winds 10 to 20 kt. Seas 2 ft or less. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...NE winds 10 to 15 kt. Seas 3 ft. .MON...S of 18N, E winds 10 to 20 kt. Elsewhere, NE to E winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, NE winds 10 to 15 kt. Seas 3 to 4 ft. .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...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 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...E winds 10 to 20 kt. 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 E less than 10 kt elsewhere. Seas 3 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .WED NIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .THU...E winds 15 to 25 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 5 ft. SW Caribbean S of 11N .OVERNIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .WED...NW 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 NW less than 10 kt after midnight. Seas 3 ft. .THU...W winds 10 to 15 kt. .THU NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .OVERNIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 4 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .MON...SE winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...E to SE 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 15 kt. Seas 4 to 6 ft. .FRI...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 .OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 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 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 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 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 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Storm Nigel is near 25.8N 50.2W at 11 PM EDT, and is moving north-northwest at 10 kt. Maximum sustained winds are 60 kt with gusts to 80 kt, and the minimum central pressure is 992 mb. Nigel will strengthen to a hurricane near 27.0N 51.3W Mon morning with maximum sustained winds 75 kt gusts 90 kt, continue to strengthen as it moves to near move to 28.5N 52.8W Mon evening with maximum sustained winds 90 kt gusts 110 kt, then to near 30.1N 54.2W Tue morning with maximum sustained winds 100 kt gusts 120 kt and maintain intensity as it moves north of area to near 32.1N 55.2W Tue evening. Nigel is forecast to gradually weaken as it accelerates northeastward farther away from the area through the rest of the week. Otherwise, weak ridging will prevail this evening. A cold front will move off the N Florida coast later tonight, reaching from near 31N72W to near Jupiter, Florida Tue morning, then stalling along 28N to 30N through the end of the week. Winds and seas may increase west of the stalled boundary by the end of the week as a tight pressure gradient develops due to a building high inland and a developing coastal trough off the Carolinas. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...S winds 10 to 20 kt. Seas 4 to 5 ft. .MON...W winds 10 to 20 kt. Seas 4 to 5 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 15 to 25 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...SE winds 20 to 30 kt. Seas 7 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...SE winds 10 to 20 kt. Seas 5 to 6 ft. .MON...S winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...W of 70W, SW winds 10 to 15 kt. Elsewhere, SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .TUE...W of 70W, SW winds 10 to 15 kt. Elsewhere, E winds less than 10 kt, shifting to N in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt W of 70W, and NE less than 10 kt elsewhere. Seas 5 to 7 ft. .WED...W of 70W, E winds 10 to 20 kt. Elsewhere, N to NE winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 15 to 25 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 5 to 7 ft. .THU NIGHT...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .FRI...SE winds 10 to 20 kt. Seas 5 to 6 ft. Bahamas N of 22N .OVERNIGHT...E winds 10 to 15 kt. Seas 3 ft. .MON...SE winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .MON NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less. .TUE...E winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .WED...E winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...E to SE winds less than 10 kt. Seas 3 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds less than 10 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt W of 70W, and NE less than 10 kt elsewhere. 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...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...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 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. 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...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft. .MON...SE winds less than 10 kt. Seas 6 to 8 ft. .MON NIGHT...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. Seas 6 to 7 ft. .WED...E winds 10 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 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 6 ft.