000 FZNT31 KNHC 171505 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1105 AM 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...N-NE swell 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 N Colombia, with moderate or weaker winds elsewhere through the week. NW Caribbean W of 85W .THIS AFTERNOON...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 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. 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 less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. .THU NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 ft. .MON...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. .MON NIGHT...S of 18N, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 3 ft. .TUE...E 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 4 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 10 to 15 kt, shifting to NE after midnight. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 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...NE winds 10 to 15 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .TUE...NW winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NW winds less than 10 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 less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .MON...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. 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 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .MON...Variable winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft. .TUE...E winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...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 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 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Tropical Storm Nigel is near 24.0N 49.1W at 11 AM EDT, and is moving northwest at 11 kt. Maximum sustained winds are 50 kt with gusts to 60 kt, and the minimum central pressure is 997 mb. Nigel will move to 25.3N 50.2W this evening, strengthen to a hurricane near 26.8N 51.7W Mon morning, 28.2N 53.1W Mon evening, 29.8N 54.6W Tue morning, move N of the area to 31.8N 55.4W Tue evening, and then well N of the area to 34.2N 54.9W Wed morning. Otherwise, weak ridging will prevail this afternoon into the evening. A cold front will move off the N Florida coast tonight, reaching from 31N72W to near Jupiter, Florida Tue morning, then stalling along 28N/29N through the end of the week. Winds may increase W 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 .THIS AFTERNOON...S winds 10 kt. Seas 5 to 7 ft. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .MON...W winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 5 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 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...E winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...S winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 4 to 6 ft. .MON NIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .TUE...SE winds less than 10 kt, shifting to N in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .WED...NE winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 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. Bahamas N of 22N .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .MON...SE winds less than 10 kt. Seas 3 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 ft in the evening, subsiding to 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, building to 3 ft in the afternoon. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds 10 kt. Seas 6 to 8 ft. .TONIGHT...E winds less than 10 kt. Seas 6 to 7 ft. .MON...SE winds less than 10 kt. Seas 5 to 6 ft. .MON NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .TUE...E winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .WED...E winds 10 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 kt. Seas 5 to 7 ft. .THU...E winds 10 kt. Seas 5 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 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 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...NE winds less than 10 kt. Seas 6 to 7 ft. .TONIGHT...NE winds less than 10 kt. Seas 6 to 7 ft. .MON...SE winds less than 10 kt. Seas 6 to 8 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 6 to 8 ft. .TUE...Variable winds less than 10 kt, becoming SE 10 kt in the afternoon. Seas 6 to 8 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 6 to 7 ft. .WED...E winds less than 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.