000 FZNT31 KNHC 250326 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1126 PM EDT Tue Oct 24 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...Fresh to occasionally strong winds will prevail in the NW and north-central Caribbean through the week. Gentle winds will prevail elsewhere. NW Caribbean W of 85W .OVERNIGHT...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 4 to 6 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. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds less than 10 kt. Seas 3 ft. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...E winds less than 10 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 3 ft. .FRI...E winds 10 to 15 kt, shifting to NW in the afternoon. Seas 3 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...N winds 10 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 20 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .OVERNIGHT...SW winds less than 10 kt. Seas 2 ft or less. .WED...SW winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...W winds less than 10 kt. Seas 2 ft or less. .THU...SW winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...W winds less than 10 kt, shifting to SW after midnight. Seas 2 ft or less. .FRI...W winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .FRI NIGHT...W winds 10 to 15 kt. Seas 3 ft. .SAT...W winds 10 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .OVERNIGHT...NE winds 10 to 15 kt. Seas 3 ft. .WED...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. .WED NIGHT...NE winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .THU...Gulf of Venezuela, SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .THU NIGHT...NE winds less than 10 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI...Variable winds less than 10 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI NIGHT...W winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .SAT...Variable winds less than 10 kt Gulf of Venezuela, and SE 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .SAT NIGHT...Variable winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .SUN...Variable winds less than 10 kt Gulf of Venezuela, and SE 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .WED...S winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...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 .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 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. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Hurricane Tammy is near 24.9N 60.7W at 11 PM EDT, and is moving northeast at 8 kt. Maximum sustained winds are 75 kt with gusts to 90 kt, and the minimum central pressure is 976 mb. Tammy will move to 26.1N 59.9W Wed morning, 28.1N 59.1W Wed evening, then become extratropical and move to 29.6N 59.7W Thu morning. Tammy will weaken near 30.5N 60.9W Thu evening, 30.9N 61.8W Fri morning, and 31.3N 62.7W Fri evening. Tammy will be just SE of Bermuda Sat morning. A cold front extending from 31N55W to the central Bahamas will stall and dissipate by Wed. The pressure gradient between this front, Tammy, and high pressure building N of the area will lead to the development of a broad area of NE winds and rough seas across much of the area west of the frontal boundary through the week. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...E winds 20 to 30 kt. Seas 7 to 9 ft. .WED...E winds 20 to 30 kt. Seas 8 to 10 ft. .WED NIGHT...E winds 20 to 30 kt. Seas 8 to 11 ft. .THU...E winds 20 to 30 kt. Seas 9 to 11 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...NE winds 15 to 25 kt. Seas 6 to 9 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...NE winds 20 to 30 kt. Seas 9 to 13 ft. .WED...NE winds 20 to 30 kt. Seas 9 to 13 ft W of 70W, and 12 to 15 ft elsewhere. .WED NIGHT...NE winds 20 to 30 kt. Seas 10 to 13 ft W of 70W, and 13 to 16 ft elsewhere. .THU...NE winds 20 to 30 kt. Seas 10 to 13 ft W of 70W, and 13 to 17 ft elsewhere. .THU NIGHT...NE winds 20 to 30 kt. Seas 9 to 13 ft W of 70W, and 13 to 18 ft elsewhere. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. Bahamas N of 22N .OVERNIGHT...NE winds 20 to 30 kt. Seas 5 to 7 ft. .WED...NE winds 20 to 30 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 20 to 30 kt. Seas 6 to 8 ft. .THU...E winds 20 to 30 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 20 to 30 kt. Seas 6 to 8 ft. .FRI...NE winds 15 to 25 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .SAT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...NE winds 15 to 25 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...NE winds 20 to 30 kt. Seas 10 to 12 ft. .WED...NE winds 20 to 30 kt. Seas 10 to 13 ft. .WED NIGHT...NE winds 20 to 30 kt. Seas 10 to 14 ft. .THU...NE winds 20 to 30 kt W of 70W, and NE 15 to 25 kt elsewhere. Seas 11 to 14 ft. .THU NIGHT...NE winds 20 to 30 kt W of 70W, and NE 15 to 25 kt elsewhere. Seas 11 to 14 ft. .FRI...NE winds 15 to 25 kt. Seas 11 to 14 ft. .FRI NIGHT...NE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 10 to 13 ft. .SAT...NE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 9 to 12 ft. .SAT NIGHT...NE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 8 to 11 ft. .SUN...E winds 15 to 25 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .THU...NE winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...SW winds 15 to 25 kt. Seas 6 to 8 ft. .WED...SW winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...S winds 10 to 20 kt. Seas 7 to 10 ft. .THU...SE winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 8 to 10 ft. .FRI...SE winds 10 to 15 kt. Seas 7 to 10 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 7 to 10 ft. .SAT...SE winds 10 to 15 kt. Seas 7 to 9 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft.