000 FZNT31 KNHC 111357 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 957 AM EDT Sat Sep 11 2021 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...The Atlantic ridge will continue to build westward across the Caribbean, bringing an increase in the trade wind flow this weekend. Fresh to strong winds will occur offshore Colombia and in the Gulf of Venezuela, mainly at night through Sun. Fresh to strong winds are also likely in the late evening in the Gulf of Honduras through Sun. Scattered showers and thunderstorms across the NW Caribbean are expected to reduce in coverage later today. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 5 to 6 ft. .TONIGHT...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 6 ft. .MON...E winds 10 to 15 kt. Seas 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .WED...SE winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 5 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 5 to 6 ft S of 18N, and 2 ft or less elsewhere. .MON...E winds 10 to 15 kt. Seas 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 5 ft. .TUE...E winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...SE winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 ft. .TUE...E winds 10 to 15 kt. Seas 5 ft. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...E winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt. Seas 2 ft or less. SW Caribbean S of 11N .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...S winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .SUN...SE winds less than 10 kt. Seas 5 to 6 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 5 ft. .MON...S winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .TUE...Variable winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .WED...S winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 6 ft. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 6 ft. .SUN...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Gulf of Venezuela, seas 5 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Gulf of Venezuela, seas 2 ft or less, building to 5 ft after midnight. Elsewhere, seas 5 ft. .MON...E winds 10 to 15 kt. Seas 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...E winds 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .WED...E winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...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 5 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 ft. .TUE...E winds less than 10 kt. Seas 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .WED...E winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 ft. .SUN...E winds less than 10 kt. Seas 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 5 ft. .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. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .WED...E winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A frontal boundary will linger across the area through Mon which will bring showers and thunderstorms across the area through early next week. Otherwise, quiescent conditions will prevail through Wed. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...E winds less than 10 kt. Seas 5 to 6 ft. .TONIGHT...E winds less than 10 kt. Seas 5 ft in the evening, subsiding to 2 ft or less. .SUN...E winds 10 kt. Seas 2 ft or less. .SUN NIGHT...E winds 10 kt. Seas 2 ft or less. .MON...E winds 10 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 kt. Seas 2 ft or less. .TUE...E winds 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 kt. Seas 2 ft or less. .WED...E winds 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt. Seas 5 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...E winds less than 10 kt. Seas 5 ft. .TONIGHT...E winds less than 10 kt W of 70W, and Variable less than 10 kt elsewhere. Seas 5 ft in the evening, subsiding to 2 ft or less. .SUN...E 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...E winds less than 10 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. Bahamas N of 22N .THIS AFTERNOON...E winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...E winds 10 to 15 kt. Seas 2 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .MON...E winds 10 to 15 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds less than 10 kt. Seas 2 ft or less. .TONIGHT...E winds 10 to 15 kt. Seas 5 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 ft. .TUE...E winds less than 10 kt. Seas 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 5 ft. .WED...SE winds 10 to 15 kt. Seas 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 5 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 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 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 ft. .TUE...E winds less than 10 kt. Seas 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 ft. .WED...SE winds 10 to 15 kt. Seas 2 ft or less. .WED NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 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 kt. Seas 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 ft. .WED...SE winds 10 kt. Seas 2 ft or less. .WED NIGHT...E winds 10 kt. Seas 2 ft or less.