000 FZNT31 KNHC 210315 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1115 PM EDT Thu Jul 20 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...The pressure gradient between the Bermuda High and lower pressure over Central America/N South America will maintain fresh to near gale trades across the central Caribbean through Sat. Winds should diminish to fresh to strong Sun through Tue. Fresh to locally strong trades will develop over the Gulf of Honduras Sat night through Mon. NW Caribbean W of 85W .OVERNIGHT...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 10 to 20 kt. Seas 3 to 5 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 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere. .FRI...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere. .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. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 9 to 11 ft within 90 nm of coast of Colombia, and 7 to 10 ft elsewhere. .FRI...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 7 to 10 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .MON...E winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .TUE...E winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .OVERNIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 6 to 9 ft. .FRI NIGHT...N winds less than 10 kt. Seas 6 to 8 ft. .SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .SUN...E winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 25 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 6 to 8 ft. .FRI...E winds 15 to 25 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SAT...Gulf of Venezuela, E winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Elsewhere, 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 4 to 6 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 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 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 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 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...The Bermuda High centered near 27N69W will weaken and shift east-southeastward through the weekend. Fresh to strong trades just north of Hispaniola and over the Windward Passage will diminish Fri. Elsewhere across forecast waters, winds will be moderate or weaker through Tue. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...W winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...W winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 10 kt. Seas 3 ft. .MON...W winds 10 kt. Seas 3 ft. .MON NIGHT...SW winds less than 10 kt. Seas 3 ft. .TUE...W winds less than 10 kt. Seas 3 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming S 10 kt after midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...W winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...W winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...W winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...SW winds 10 kt. Seas 3 to 5 ft. .MON...SW winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .TUE...SW winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...S winds less than 10 kt. Seas 3 ft. Bahamas N of 22N .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 ft. .FRI...SE winds 10 to 15 kt. Seas 3 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .SAT...S winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...S winds less than 10 kt. Seas 2 ft or less. .SUN...SE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE 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 10 to 15 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .FRI...SW winds less than 10 kt. 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 4 ft. .SAT NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .SUN...SW winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .MON...S winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .TUE...SE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds 10 to 20 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 3 to 5 ft. .SAT...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. .SUN...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...NE winds 10 kt. Seas 4 ft. .FRI...E winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 4 ft. .SAT...S winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 3 to 4 ft. .SUN...SE winds 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft.