000 FZNT31 KNHC 170320 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1120 PM EDT Fri Aug 16 2024 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 19N W of 55W, the N Atlantic from 19N to 31N W of 55W including the 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 W of 55W .SYNOPSIS...High pressure is building north of the region over the western Atlantic. This pattern will support fresh to strong trade winds over the south-central Caribbean with moderate to rough seas, and gentle to moderate winds elsewhere with slight to moderate wave heights. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 2 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .MON...E winds 10 to 20 kt. Seas 3 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...E winds 10 to 15 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SUN...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .WED...E winds 10 to 20 kt. S of 18N, seas 4 to 6 ft. Elsewhere, seas 3 ft in the morning, subsiding to 2 ft or less. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE 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 5 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .MON...E winds 15 to 25 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .TUE...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .WED...E winds 15 to 25 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .OVERNIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .SAT...N winds less than 10 kt, shifting to SW in the afternoon. Seas 3 ft. .SAT NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. .SUN...SW winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .MON...SW winds less than 10 kt. Seas 3 ft. .MON NIGHT...NW winds less than 10 kt, becoming N 10 to 20 kt after midnight. Seas 3 to 4 ft. .TUE...N winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NW winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. 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 5 ft. .SUN...Gulf of Venezuela, E winds 10 to 15 kt, shifting to N in the afternoon,Seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, E winds 15 to 25 kt, seas 3 to 5 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .MON...E winds 15 to 25 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .TUE...E winds 15 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .WED...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 4 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...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 .OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Hurricane Ernesto is near 31.4N 65.2W at 11 PM EDT, and is moving north-northeast at 11 kt. Maximum sustained winds are 80 kt with gusts to 100 kt, and the minimum central pressure is 969 mb. Ernesto will move to 32.6N 64.6W Sat morning, then continue to move well north of the region through the early part of the week, before weakening late Tue. Large swells generated by Ernesto will continue to spread westward to the Bahamas and the southeast United States coast through Mon. Expect fresh SW winds off northeast Florida late Sun into Mon, ahead of a weak cold front that will move into the area early in the week, then stall and weaken through mid week. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...NE winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 5 to 6 ft. .SUN...S winds 10 to 15 kt, shifting to W in the afternoon. Seas 5 to 6 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 5 to 6 ft. .MON...SW winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 4 to 5 ft. .TUE...SW winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 3 ft. ATLC waters from 27N to 31N between 65W and 77W ...TROPICAL STORM WARNING... .OVERNIGHT...TROPICAL STORM CONDITIONS. N winds 10 to 20 kt W of 70W, and NW 45 to 55 kt elsewhere. Seas 8 to 11 ft W of 70W, and 17 to 22 ft elsewhere. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. W of 70W, N winds 10 to 15 kt. Elsewhere, NW winds 30 to 40 kt, diminishing to 20 to 30 kt in the afternoon. Seas 7 to 10 ft W of 70W, and 10 to 15 ft elsewhere. .SAT NIGHT...N winds 10 to 15 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 6 to 9 ft W of 70W, and 9 to 14 ft elsewhere. .SUN...NW winds less than 10 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 6 to 8 ft W of 70W, and 8 to 11 ft elsewhere. .SUN NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SW winds 10 to 20 kt. Seas 4 to 5 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 4 to 5 ft. .TUE...SW winds 10 to 20 kt. Seas 4 to 5 ft. .TUE NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .WED...S winds 10 to 20 kt. Seas 3 to 5 ft. Bahamas N of 22N .OVERNIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt, shifting to E after midnight. Seas 3 to 4 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 ft. .MON...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 2 ft or less. .TUE...S winds 10 to 15 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...S winds 10 to 15 kt. Seas 2 ft or less. .WED...SE winds 10 to 15 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...N winds 10 to 15 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 6 to 9 ft. .SAT...W of 70W, NW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, SW winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds less than 10 kt W of 70W, and SW 10 to 15 kt elsewhere. Seas 5 to 7 ft. .SUN...S winds less than 10 kt W of 70W, and S 10 to 15 kt elsewhere. Seas 5 to 7 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. .WED...E winds 15 to 20 kt. Seas 5 to 6 ft.