021 FZNT31 KNHC 140905 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 505 AM EDT Sat Jul 14 2018 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 ATLC from 07N to 19N between 55W and 64W .SYNOPSIS...NE-to-E gale-force winds from 11N to 12N between 74W and 75W for the early morning hours of today, with the wind speeds slowing down around sunrise. Expect NE-to-E gale-force winds from late on Sunday night until sunrise on Monday morning, and repeating again from late on Tuesday night until sunrise on Wednesday morning. A tropical wave along 74W/75W will move across the central Caribbean Sea through Saturday night, and then across the western Caribbean Sea on Sunday and Sunday night. An eastern Caribbean Sea tropical wave will move through the rest of the eastern Caribbean Sea on Saturday, and into the central Caribbean Sea Saturday night. An Atlantic Ocean tropical wave that is along 50W is forecast to reach the easternmost sections of the Caribbean Sea by late Sunday/early Monday, and into the central Caribbean Sea late Monday/early Tuesday, and then into the western Caribbean Sea late Tuesday/early on Wednesday. High pressure will build across the region behind each passing tropical wave, in order to freshen trade winds across the central Caribbean Sea. NW Caribbean W of 85W .TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 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...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 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...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 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .TONIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt elsewhere. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .SUN...E winds 10 to 20 kt S of 18N, and E less than 10 kt elsewhere. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere. .SUN NIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere. .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 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... ...GALE CONDITIONS POSSIBLE... .TODAY...from 11N to 12N between 74W and 75W NE to E winds 30 to 35 kt diminishing to NE to E 20 to 30N late morning. Seas 12 to 13 ft. Elsewhere NE to E winds 20 to 30 kt. Seas 8 to 13 ft. .TONIGHT...within 90 nm of coast of Colombia NE to E winds 25 to 35 kt. Seas 8 to 12 ft. Elsewhere NE to E winds 20 to 25 kt elsewhere. Seas 8 to 12 ft. .SUN...Within 90 nm of coast of Colombia, NE to E winds 25 to 35 kt. Seas 8 to 12 ft. Elsewhere, E winds 20 to 30 kt. Seas 9 to 13 ft. .SUN NIGHT...NE to E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE to E 20 to 30 kt elsewhere. Seas 9 to 13 ft. .MON...from 11N to 12N between 74W and 76W NE to E winds 30 to 35 kt. Seas 12 to 14 ft. Elsewhere NE to E winds 20 to 30 kt. Seas 8 to 14 ft. .MON NIGHT...NE to E winds 20 to 25 kt. Seas 7 to 10 ft. .TUE...E winds 20 to 30 kt. Seas 7 to 10 ft. .TUE NIGHT...from 11N to 12N between 74W and 76W NE to E winds 30 to 35 kt. Seas 12 to 13 ft. Elsewhere NE to E winds 20 to 30 kt. Seas 8 to 13 ft. .WED...E winds 25 to 35 kt until sunrise. Seas 8 to 12 ft. .WED NIGHT...NE to E winds 20 to 30 kt. Seas 7 to 11 ft. SW Caribbean S of 11N .TODAY...E winds 10 to 20 kt. Seas 8 to 11 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TUE...NE winds 10 to 15 kt. Seas 6 to 9 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 15 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .SUN...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .SUN NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. 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 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 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 20 kt. Seas 6 to 8 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. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED 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 .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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 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 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A surface trough passes through 31N69W to 28N72W, to the NW Bahamas. The trough will move little through Sunday night while weakening. Scattered showers and thunderstorms can be expected along and SE of the trough to 25N. High pressure building westward from the central Atlantic Ocean through Wednesday will support fresh to strong trade winds south of 23N. The winds will pulse to strong north of Hispaniola at night through the period. ATLC waters from 27N to 31N W of 77W .TODAY...Variable winds less than 10 kt. Seas 3 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 ft. .SUN...S 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 10 kt. 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 to 4 ft. .TUE NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .WED...S winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...E winds less than 10 kt W of 70W, and SW 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...W of 70W, E winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, SW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...S 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...S winds 10 kt. Seas 3 to 4 ft. .TUE...S winds 10 to 15 kt. Seas 4 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. Bahamas N of 22N .TODAY...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SUN...SE winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 20 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 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...S winds less than 10 kt W of 70W, and S 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...SE winds less than 10 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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 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 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 6 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.