000 FZNT31 KNHC 012111 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 511 PM EDT Wed Nov 1 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...Shower and thunderstorm activity remains disorganized in association with a trough of low pressure, AL97, over the central Caribbean Sea. Environmental conditions are forecast to become slightly more conducive for development in a day or two, and a tropical depression could form when the system moves over the southwestern Caribbean Sea during the latter part of this week. Otherwise, a strong cold front extending from western Cuba southwestward to inland the southern part of the Yucatan Peninsula will reach from eastern Cuba to the Gulf of Honduras Thu morning, then become stationary and dissipate on Sat. Strong to near gale force northeast winds and rough seas will follow the front through Fri night before diminishing on Sat. Fresh to strong winds are also expected across the central Caribbean late Thu into Fri due to the pressure gradient between AL97 and strong high pressure north of the area. Wind sea conditions diminish further starting late Sat and into next week high pressure north of the area weakens. NW Caribbean W of 85W .TONIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...NE 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 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. 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 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...N winds less than 10 kt. Seas 2 ft or less. .THU...N winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SE winds less than 10 kt within 90 nm of coast of Colombia, and N 10 to 15 kt elsewhere. Seas 3 to 4 ft. .FRI...SE winds 10 to 20 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 4 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TONIGHT...NW winds less than 10 kt. Seas 2 ft or less. .THU...W winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds less than 10 kt. Seas 2 to 3 ft. .SUN...SW winds less than 10 kt. Seas 2 to 3 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 2 to 3 ft. .MON...Variable winds less than 10 kt. Seas 2 to 3 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 2 to 3 ft. Caribbean between 64W and 72W .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. .THU...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .THU NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .FRI...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds less than 10 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 .TONIGHT...E winds 10 to 15 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 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SE winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds less than 10 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 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. .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. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A strong cold front extending from near 31N71W to the central Bahamas and to western Cuba will reach from near Bermuda to the central Bahamas Thu morning, and stall. The front is expected to dissipate on Sat, with the remnant trough drifting back to the W over the waters north of the Bahamas. Strong winds and rough seas, with some of the zones experiencing frequent gusts to gale force, are expected behind the front through Fri. Marine conditions significantly improve starting late Sat and into next week as high pressure over the region weakens. ATLC waters from 27N to 31N W of 77W .TONIGHT...NE winds 20 to 30 kt. Seas 8 to 13 ft. .THU...NE winds 15 to 25 kt. Seas 9 to 12 ft. .THU NIGHT...NE winds 20 to 25 kt. Seas 8 to 11 ft. .FRI...NE winds 15 to 20 kt. Seas 8 to 10 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 7 to 9 ft. .SAT...E winds 15 to 25 kt. Seas 7 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds less than 10 kt. Seas 6 to 8 ft. .MON...Variable winds less than 10 kt. Seas 5 to 7 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...N winds 15 to 25 kt W of 70W, and NW 10 to 20 kt elsewhere. Seas 8 to 11 ft W of 70W, and 5 to 7 ft elsewhere. .THU...NE winds 15 to 25 kt. Seas 8 to 13 ft W of 70W, and 6 to 9 ft elsewhere. .THU NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .FRI...E winds 15 to 25 kt W of 70W, and E 20 to 30 kt elsewhere. Seas 8 to 12 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 13 ft. .SAT...E winds 10 to 20 kt. Seas 8 to 13 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. .MON...NE winds less than 10 kt. Seas 5 to 6 ft. .MON NIGHT...NE winds less than 10 kt. Seas 4 to 5 ft. Bahamas N of 22N ...GALE WARNING N OF 24N... .TONIGHT...NE winds 15 to 25 kt. Seas 3 to 5 ft. .THU...NE winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 20 to 30 kt with frequent gusts to 35 kt N of 24N. Seas 8 to 12 ft, except 9 to 14 ft N of 24N. .FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 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 less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...GALE WARNING BETWEEN THE BAHAMAS AND 70W... .TONIGHT...NE winds 10 to 20 kt W of 70W, and SE less than 10 kt elsewhere. Seas 4 to 6 ft W of 70W, and 4 to 5 ft elsewhere. .THU...W of 70W, NE winds 20 to 30 kt with frequent gusts to 35 kt. Seas 9 to 14 ft. E of 70W, SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 20 to 30 kt with frequent gusts to 35 kt. Seas 9 to 14 ft. E of 70W, 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 15 kt, except 15 to 25 kt W of 70W. Seas 8 to 13 ft W of 70W, and 6 to 9 ft E of 70W. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 9 ft. .SAT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 kt. Seas 5 to 6 ft. .MON...NE winds less than 10 kt. Seas 5 ft. .MON NIGHT...NE winds 10 kt. Seas 5 ft. ATLC waters S of 22N W of 65W .TONIGHT...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 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds 10 kt. Seas 6 to 7 ft. .SUN...SE winds 10 kt. Seas 6 to 7 ft. .SUN NIGHT...SE winds 10 kt. Seas 5 to 6 ft. .MON...SE winds less than 10 kt. Seas 5 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 5 to 6 ft.