669 FZNT31 KNHC 212021 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 421 PM EDT Sun Apr 21 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...A broad subtropical ridge north of the Greater Antilles will support pulsing fresh to strong winds just offshore N Colombia tonight. Otherwise moderate to locally fresh trades will prevail across the central and eastern Caribbean. Mainly gentle to moderate trades will prevail elsewhere, pulsing to moderate to fresh from the Lee of Cuba to the Windward Passage, and offshore central Honduras at times. A decaying cold front may reach into the Caribbean N of 20N Mon night, possibly bringing a brief period of active weather. Slight to moderate seas will prevail across the basin. NW Caribbean W of 85W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 10 to 15 kt S of 18N, and NE less than 10 kt elsewhere. S of 18N, seas 3 to 5 ft. Elsewhere, seas 3 to 4 ft in the evening, subsiding to 2 ft or less. .MON...S of 18N, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds less than 10 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .MON NIGHT...S of 18N, NE winds less than 10 kt. Elsewhere, N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .TUE...S of 18N, NE winds less than 10 kt, shifting to E in the afternoon. Elsewhere, NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE 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 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 10 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TONIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 3 to 5 ft. .MON...NE winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TONIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 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 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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. .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...E winds 10 to 15 kt. Seas 4 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 15 kt. Seas 4 to 6 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. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...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 .TONIGHT...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...E winds 10 to 15 kt. Seas 5 to 7 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. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 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 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Broad ridge over the western Atlantic will continue ahead of a cold front which will move offshore NE Florida this evening, reaching from 31N73W to near Stuart, Florida Mon evening, from just E of Bermuda to the SE Bahamas Tue evening, then stalling and dissipating to a trough from near 31N59W to the Turks and Caicos Islands by Wed evening. Fresh to strong winds and building seas will follow the front, mainly N of 27N, increasing to gale speeds N of 30N Monday afternoon and spreading eastward. Winds will decrease below gale late Monday night. Seas will build to 15 ft with the strongest winds. The trough is forecast to linger through the remainder of the week with mainly tranquil conditions for the end of the week. ATLC waters from 27N to 31N W of 77W .TONIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NW winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 8 to 11 ft. .TUE...NE winds 10 to 15 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds less than 10 kt. Seas 6 to 8 ft. .WED...Variable winds less than 10 kt. Seas 5 to 6 ft. .WED NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft. .THU...S winds 10 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds less than 10 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 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING MON... .TONIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SW winds 10 to 20 kt, shifting to N-NW and increasing to 25 to 35 kt in the afternoon. Seas 5 to 7 ft, building to 8 to 11 ft. .MON NIGHT...NW winds 15 to 25 kt W of 70W, and S 10 to 20 kt elsewhere. Seas 8 to 11 ft W of 70W, and 5 to 7 ft elsewhere. .TUE...NW winds 10 to 20 kt. Seas 8 to 11 ft W of 70W, and 6 to 8 ft elsewhere. .TUE NIGHT...N winds 10 to 15 kt. Seas 7 to 10 ft. .WED...N winds less than 10 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. .THU...E winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .FRI...N winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Bahamas N of 22N .TONIGHT...SE winds 10 to 15 kt. Seas 3 ft. .MON...S winds less than 10 kt. Seas 3 ft. .MON NIGHT...NW winds less than 10 kt, shifting to NE after midnight. Seas 2 ft or less, building to 3 ft after midnight. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft. .TUE...N winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. Seas 6 to 8 ft W of 70W, and 4 to 5 ft elsewhere. .TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE 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 15 kt. Seas 4 to 6 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. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 6 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 ft. .FRI...E winds 10 to 15 kt. Seas 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.