000 FZNT31 KNHC 131518 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1018 AM EST Fri Nov 13 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...Newly formed Tropical Depression Thirty-One located near 14.2N 74.3W at 1500 UTC moving WSW at 6 kt. Minimum central pressure 1007 mb. Maximum sustained winds 30 kt gusts to 40 kt. T.D. Thirty-One will move in a general WSW motion today and is expected to reach tropical storm strength near 14N75W this evening, reach near 13.8N76W Sat morning, then become a hurricane near 14N78.5W around sunrise Sun, then strengthen steadily through Mon as it approaches the coast along the border of Nicaragua and Honduras. Very active weather will persist across coastal Colombia and the SW Caribbean through the weekend. NW Caribbean W of 85W .TODAY...N winds 10 to 15 kt. Seas 2 ft or less. .TONIGHT...NE winds 10 to 20 kt. Seas 2 ft or less. .SAT...NE winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...HURRICANE CONDITIONS POSSIBLE. .TUE...HURRICANE CONDITIONS POSSIBLE. Caribbean N of 15N between 72W and 85W ...TROPICAL STORM WARNING... .TODAY...NE winds 20 to 30 kt S of 18N, and NE 10 to 20 kt elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...NE winds 20 to 30 kt S of 18N, and NE 10 to 20 kt elsewhere. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 25 to 35 kt S of 18N, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 30 to 40 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SUN...HURRICANE CONDITIONS POSSIBLE. E winds 35 to 45 kt S of 18N, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...HURRICANE CONDITIONS POSSIBLE. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. Caribbean from 11N to 15N W of 72W ...HURRICANE WARNING... .TODAY...SW winds 10 to 15 kt within 90 nm of coast of Colombia, and NW 20 to 30 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...TROPICAL STORM CONDITIONS EXPECTED. S winds 10 to 20 kt within 90 nm of coast of Colombia, and N 30 to 40 kt elsewhere. Seas 4 to 6 ft. .SAT...TROPICAL STORM CONDITIONS EXPECTED. S winds 10 to 20 kt within 90 nm of coast of Colombia, and NW 45 to 55 kt elsewhere. Seas 4 to 6 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS EXPECTED. S winds 10 to 20 kt within 90 nm of coast of Colombia, and W 50 to 65 kt elsewhere. Seas 4 to 6 ft. .SUN...HURRICANE CONDITIONS POSSIBLE. SE winds 10 to 15 kt within 90 nm of coast of Colombia, and SW 60 to 75 kt elsewhere. Seas 5 to 7 ft. .SUN NIGHT...HURRICANE CONDITIONS POSSIBLE. .MON...HURRICANE CONDITIONS POSSIBLE. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .TUE...E winds less than 10 kt within 90 nm of coast of Colombia, and SE 10 to 15 kt elsewhere. Seas 3 to 4 ft. SW Caribbean S of 11N .TODAY...W winds less than 10 kt, shifting to NW in the afternoon. Seas 2 ft or less. .TONIGHT...W winds 10 to 20 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. .SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...S winds 10 to 15 kt. Seas 3 ft. Caribbean between 64W and 72W .TODAY...Gulf of Venezuela, S winds less than 10 kt, shifting to NE in the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .SAT...Gulf of Venezuela, S winds 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, E winds 15 to 25 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .SAT NIGHT...Gulf of Venezuela, NE winds 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, E winds 15 to 25 kt. 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 NE 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .SUN NIGHT...Gulf of Venezuela, Variable winds less than 10 kt, becoming NE 10 kt after midnight. Elsewhere, NE winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...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 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 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. 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 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 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Post-Tropical Cyclone Eta is moving NE and offshore of Cape Hatteras, and will drag a trailing trough across the basin through the weekend. Fresh to strong S to SE winds and associated seas will decrease through this evening across NW portions as Eta moves farther northeastward. A cold front will move off the SE U.S. coast Mon, shifting SE through Tue night. ATLC waters from 27N to 31N W of 77W .TODAY...NW winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...SE winds 10 to 15 kt, shifting to S in the afternoon. Seas 4 to 5 ft. .SUN NIGHT...W winds less than 10 kt. Seas 3 to 4 ft. .MON...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...S winds 15 to 25 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 6 to 9 ft W of 70W, and 5 to 6 ft elsewhere. .TONIGHT...S winds 10 to 20 kt. Seas 5 to 6 ft. .SAT...S winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SW winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. Seas 4 to 5 ft. .TUE...W of 70W, N winds 10 to 15 kt. Elsewhere, SW winds less than 10 kt, shifting to N in the afternoon. Seas 4 to 5 ft. Bahamas N of 22N .TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 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. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 20 kt. Seas 7 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft.