000 FZNT31 KNHC 111547 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1047 AM EST Wed Nov 11 2020 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...Winds and seas are improving over the NW Caribbean today as Eta moves farther N over the eastern Gulf of Mexico. A tropical wave is over the eastern Caribbean. Low pressure could form along the wave with the potential for tropical cyclone development late this week or this weekend when the wave reaches the central or western Caribbean Sea. NW Caribbean W of 85W .TODAY...W winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...SW winds less than 10 kt. Seas 2 ft or less. .THU...NW winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...N winds 10 to 15 kt. Seas 2 ft or less. .FRI...N winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...S of 18N, E winds 10 to 15 kt, shifting to NW in the afternoon. Elsewhere, SE winds 15 to 25 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .THU...N winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 20 kt. S of 18N, seas 3 to 5 ft. Elsewhere, seas 3 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...NE winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .SAT NIGHT...NE winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SUN...E winds 20 to 30 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .TODAY...Within 90 nm of coast of Colombia, NE winds less than 10 kt. Elsewhere, NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .TONIGHT...N winds less than 10 kt. Seas 2 ft or less. .THU...N winds less than 10 kt, shifting to NW in the afternoon. Seas 2 ft or less. .THU NIGHT...N winds 10 to 15 kt. Seas 3 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...NW winds 15 to 25 kt. Seas 4 to 6 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. SW Caribbean S of 11N .TODAY...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 2 ft or less. .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...NW winds less than 10 kt. Seas 2 ft or less. .FRI...NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. .FRI NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...W winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TODAY...Variable winds less than 10 kt Gulf of Venezuela, and SE 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...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 4 to 6 ft elsewhere. .THU...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 4 to 6 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 4 to 6 ft elsewhere. .FRI...Gulf of Venezuela, SW 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 4 to 6 ft elsewhere. .FRI NIGHT...Gulf of Venezuela, NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .SAT...S winds 10 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 5 to 7 ft elsewhere. .SAT NIGHT...Variable winds less than 10 kt Gulf of Venezuela, and NE 15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .SUN...Variable winds less than 10 kt Gulf of Venezuela, and NE 15 to 25 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 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...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A tight pressure gradient between strong high pressure over the western Atlantic and Tropical Storm Eta over the SE Gulf of Mexico will support fresh to strong E-SE winds through tonight. These winds will maintain large seas in the western Atlantic before gradually subsiding through late Thu night. The remnant low of Eta will emerge off northeast Florida Fri, and merge with a stalling frontal boundary before dissipating through Sun. ATLC waters from 27N to 31N W of 77W .TODAY...SE winds 15 to 25 kt. Seas 8 to 11 ft. .TONIGHT...SE winds 15 to 25 kt. Seas 8 to 10 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. S winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...S winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...S winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SW winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...SW winds 10 to 15 kt, shifting to E after midnight. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...SE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft W of 70W, and 5 to 7 ft elsewhere. .TONIGHT...SE winds 15 to 20 kt. Seas 6 to 9 ft. .THU...SE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...SE winds 10 to 20 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 5 to 7 ft. .FRI...S winds 15 to 25 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 5 to 7 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 5 to 6 ft. .SAT...S winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...S winds 10 to 15 kt. Seas 4 to 5 ft. Bahamas N of 22N .TODAY...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 4 to 6 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. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 9 ft. .THU...E winds 15 to 20 kt. Seas 7 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 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 20 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 15 to 20 kt. Seas 6 to 8 ft. .THU...E winds 15 to 20 kt. Seas 7 to 8 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 8 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 9 ft.