000 FZNT31 KNHC 120312 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1112 PM EDT Wed Oct 11 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...A weak ridge persists just N of the basin from 1015 mb high pressure near 24N62W to the NW Bahamas. Moderate to fresh trade winds across the eastern and central Caribbean will diminish to gentle to moderate Fri morning and prevail through Mon night. Fresh to strong SE to S winds in the Gulf of Honduras and NW Caribbean will continue through Fri night. A cold front will sink S-SE across the western Atlantic over the weekend and act to weaken the trade wind flow across the basin. NW Caribbean W of 85W .OVERNIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft. .THU...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...NE winds less than 10 kt, shifting to N in the afternoon. Seas 3 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...SE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...NE winds less than 10 kt. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. 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. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. SW Caribbean S of 11N .OVERNIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. .THU...Variable winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .FRI...Variable winds less than 10 kt. Seas 3 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 ft. .SAT...Variable winds less than 10 kt. Seas 3 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 ft. .SUN...Variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...SW winds less than 10 kt. Seas 2 ft or less. .MON...SW winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .FRI...Gulf of Venezuela, E winds 10 to 20 kt, becoming NE less than 10 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 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. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...SE winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT...Variable winds less than 10 kt, becoming SE less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .FRI...SE winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A weak ridge prevails across the area tonight, S of a stationary front that extends from 27.5N55W to 29N67W, where it transitions to a warm front that continues to NE Florida along 29N and into the NE Gulf of Mexico. 998 mb low pressure along the front in the Gulf of Mexico is expected to move eastward across N Florida tonight, then continue eastward and emerge across the W Atlc, bringing strong to near gale force winds east of northern and central Florida tonight into Thu, then move E of 75W Thu night, and across the NE waters Fri through early Sat. Gale force winds are forecast to affect the northern offshore waters N of 30N through Thu night and N of 27N Fri through Fri evening. Scattered showers and thunderstorms and high seas are expected with this frontal system. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .OVERNIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SW winds 15 to 25 kt except 25 to 35 kt N of 28N. Seas 6 to 9 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...W winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...W winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NW winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NW winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .OVERNIGHT...W of 70W, SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, SE winds less than 10 kt. Seas 4 to 5 ft. .THU...W of 70W, S winds 10 to 15 kt, shifting to SW 15 to 25 kt in the afternoon, except 25 to 35 kt N of 28N. Elsewhere, SE winds less than 10 kt, shifting to S in the afternoon. Seas 5 to 7 ft. .THU NIGHT...W of 70W, W winds 15 to 25 kt. Elsewhere, SW winds 10 to 20 kt, increasing to 20 to 30 kt after midnight, except 25 to 35 kt N of 28N. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...E winds less than 10 kt, shifting to SE in the afternoon. Seas 6 to 8 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 5 to 6 ft. .SUN...W winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .MON...W winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. Bahamas N of 22N .OVERNIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .THU...S winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .FRI...SW winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT...W winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...W winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SUN...SW winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .SUN NIGHT...W winds 10 to 15 kt. Seas 3 ft. .MON...W winds 10 to 15 kt. Seas 3 ft. .MON NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .THU...S winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...W of 70W, SW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, SW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .FRI...W winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .SAT...W winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds less than 10 kt, shifting to SW after midnight. Seas 4 to 6 ft. .SUN...SW winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E 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 less than 10 kt. Seas 3 to 5 ft. .FRI...Variable winds less than 10 kt. Seas 3 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SUN...S winds less than 10 kt. Seas 3 ft. .SUN NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 3 ft. .MON...S winds less than 10 kt. Seas 3 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 10 kt. Seas 4 to 6 ft. .THU...E winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 5 ft. .FRI...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .SAT...SW winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds less than 10 kt. Seas 4 to 6 ft. .SUN...S winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...S winds 10 kt. Seas 4 to 6 ft. .MON...S winds 10 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 kt. Seas 4 to 5 ft.