000 FZNT31 KNHC 062120 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 420 PM EST Sat Jan 6 2024 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 high pressure centered north of the basin and lower pressure over South America will support fresh to strong winds offshore Colombia through the forecast period, pulsing to near-gale force at night. Winds near the coast of Colombia will reach gale force Sun night. Looking ahead, SE to S winds in the northwestern Caribbean are expected to increase again early next week as a strong cold front traverses the Gulf of Mexico. Winds will diminish Wed and Wed night as high pressure shifts eastward across the central Gulf of Mexico. NW Caribbean W of 85W .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft. .TUE...SE winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 15 kt, shifting to N after midnight. Seas 4 to 6 ft. .WED...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt, shifting to E after midnight. Seas 4 to 6 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt S of 18N, and E less than 10 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .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...SE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING S OF 12N BETWEEN 72W AND 76W... .TONIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft. .SUN...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft. .SUN NIGHT...NE to E winds 25 to 50 kt within 90 nm of coast of Colombia. Seas 8 to 11 ft. Elsewhere, and NE to E 15 to 25 kt elsewhere. Seas 8 to 10 ft .MON...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .TUE...E winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .MON...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .TUE...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 6 to 9 ft. .TUE NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .WED...Variable winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .THU...N winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .SUN...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 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 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. 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 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU 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 .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .MON...E winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 9 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 7 to 10 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .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 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 15 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 9 ft. .THU...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A strong cold front is expected to move across the waters off northeast Florida this evening. This front is forecast to reach from near 31N75W to South Florida early Sun, from near 31N58W to the central Bahamas early Mon and from near 24N55W to 22N70W early Tue. Fresh to strong winds are expected on either side of this front N of 28N as it moves eastward. The eastern part of the front will continue to E of 55W as a cold front late Tue into Wed, while the rest of the front stalls and weakens through midweek. Looking ahead to Mon night through Wed, gale force southerly winds are expected to precede yet another strong cold front over the waters east of NE Florida, while strong to near gale force southerly winds are likely elsewhere N of 26N and W of 65W. Scattered strong to possibly severe thunderstorms may precede this front. By late Wed, this next front will be weakening as it extends from near 31N69W to the central Bahamas and to western Cuba, but very rough seas will continue Wed night east of Florida and northeast of the Bahamas. These conditions will slowly subside Thu and Thu night as modest high pressure builds over the western Atlantic. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE TUE AND TUE NIGHT.. .TONIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...NW winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...N winds 15 to 20 kt. Seas 5 to 7 ft. .MON...E winds 15 to 20 kt. Seas 5 to 6 ft. .MON NIGHT...SE winds 20 to 30 kt. Seas 7 to 10 ft. .TUE...SE winds 30 to 40 kt. Seas 9 to 13 ft, building to 10 to 15 ft in the afternoon. .TUE NIGHT...S to SW winds 30 to 40 kt. Seas 10 to 16 ft. .WED...W winds 20 to 30 kt. Seas 9 to 14 ft. .WED NIGHT...W winds 10 to 15 kt. Seas 7 to 10 ft. .THU...NW winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE N OF 28N BETWEEN 74W AND 77W TUE AND TUE NIGHT... .TONIGHT...SW winds 15 to 25 kt W of 70W, and S 10 to 20 kt elsewhere. Seas 7 to 10 ft W of 70W, and 6 to 8 ft elsewhere. .SUN...SW winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NW winds 10 to 20 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 6 to 9 ft. .MON...N winds 15 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .TUE...SE winds 15 to 25 kt, except between N of 29N between 74W and 77W 30 to 35 kt NW part. Seas 8 to 12 ft. .TUE NIGHT...N of 28N between 74W and 77W, S winds 30 to 35 kt. Seas 10 to 15 ft. Elsewhere, SE to S winds 20 to 30 kt except between 65W and 70W SE winds 20 to 25 kt. Seas 10 to 15 ft, except between 65W and 70W 8 to 11 ft. .WED...S winds 20 to 30 kt. Seas 11 to 16 ft. .WED NIGHT...W winds 10 to 20 kt. Seas 8 to 13 ft. .THU...W winds less than 10 kt. Seas 7 to 10 ft. .THU NIGHT...N winds less than 10 kt. Seas 6 to 8 ft. Bahamas N of 22N .TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SW winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE...SE winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...S winds 15 to 25 kt. Seas 5 to 7 ft. .WED...S to SW winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt late. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...S winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...W of 70W, NW to N winds less than 10 kt. Elsewhere, SE winds less than 10 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .TUE...E winds 20 to 25 kt. Seas 8 to 10 ft. .TUE NIGHT...SE winds 20 to 25 kt. Seas 9 to 11 ft. .WED...SE winds 10 to 20 kt. Seas 8 to 10 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 6 to 9 ft. .THU...SE winds less than 10 kt. Seas 6 to 7 ft. .THU NIGHT...E winds less than 10 kt. Seas 5 to 6 ft. ATLC waters S of 22N W of 65W .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 4 to 6 ft. .MON...E winds 10 to 15 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 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...E winds 10 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds less than 10 kt. Seas 6 to 8 ft. .MON...E winds less than 10 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED...E winds 15 to 20 kt. Seas 9 to 12 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 9 to 11 ft. .THU...E winds 10 to 20 kt. Seas 8 to 10 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft.