570 FZNT31 KNHC 170845 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 345 AM EST Tue Nov 17 2020 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...Hurricane Iota inland over Nicaragua near 13.7N 84.3W 950 mb at 4 AM EST moving W at 8 kt. Maximum sustained winds 90 kt gusts 110 kt. Iota will weaken to a tropical storm near 13.8N 85.7W this afternoon, move to 13.8N 87.9W Wed morning, weaken to a tropical depression near 13.7N 89.8W Wed afternoon, and dissipate Thu morning. A cold front will move into the NW Caribbean late tonight and stall from eastern Cuba to the northern Gulf of Honduras early Thu. Strong northerly winds, with gusts to gale force N of 20N, and large seas are expected in the Gulf of Honduras early Wed through Wed night. Hazardous seas will be possible across the approach to the Yucatan Channel behind the front as northerly wind waves mix with swell from Iota. NW Caribbean W of 85W ...GALE WARNING N OF 20N... .TODAY...NE winds 20 to 30 kt. Seas 8 to 11 ft, building to 9 to 14 ft in the afternoon. .TONIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. .WED...NE to E winds 20 to 30 kt with frequent gusts to 35 kt N of 20N. Seas 9 to 13 ft. .WED NIGHT...NE to E winds 20 to 30 kt with frequent gusts to 35 kt N of 20N. Seas 9 to 13 ft. .THU...NE winds 15 to 25 kt. Seas 8 to 13 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W ...TROPICAL STORM WARNING... ...GALE WARNING N OF 20N... .TODAY...TROPICAL STORM CONDITIONS EXPECTED W OF 80W. E winds 20 to 30 kt S of 18N and E of 80W, NE TO E 25 TO 35 KT W of 80W, and NE 15 to 25 kt elsewhere. Seas 6 to 8 ft. .TONIGHT...E winds 15 to 25 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TODAY...E winds 15 to 25 kt S of 18N, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .WED...NE to E winds 10 to 15 kt between Cuba and Jamaica, and NE to E 20 to 25 kt elsewhere with frequent gusts to 35 kt N of 20N behind front. Seas 7 to 10 ft. .WED NIGHT...NE to E winds 15 to 20 kt between Cuba and Jamaica, and NE to E 20 to 30 kt with frequent gusts to 35 kt elsewhere N of 20N. Seas 8 to 12 ft. .THU...NE winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...TROPICAL STORM WARNING. W OF 80W.. .TODAY...TROPICAL STORM CONDITIONS EXPECTED W OF 80W. Within 90 nm of coast of Colombia, E winds 10 to 15 kt, shifting to NE in the afternoon. Elsewhere, SE winds 25 to 35 kt, diminishing to 15 to 25 kt in the afternoon. Seas 5 to 7 ft. .TONIGHT...E winds 10 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 3 to 5 ft. .WED...Within 90 nm of coast of Colombia, SE winds less than 10 kt, shifting to W in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...Within 90 nm of coast of Colombia, W winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, E winds 10 to 15 kt. Seas 3 to 4 ft within 90 nm of coast of Colombia, and 4 to 6 ft elsewhere. .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 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. SW Caribbean S of 11N .TODAY...S winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...W winds 10 to 15 kt, shifting to SW after midnight. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. .FRI...S winds less than 10 kt, shifting to SW in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 3 to 5 ft. .SAT...SW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...Gulf of Venezuela, E winds 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 5 ft elsewhere. .WED...Variable winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .WED NIGHT...Gulf of Venezuela, Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 5 ft elsewhere. .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 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 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 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT 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 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 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 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extending from 31N73W to near Jupiter, Florida will reach from 31N68W to South Florida late this afternoon, and from 25N65W to central Cuba on Wed night, stalling on Thu. The front will weaken and retreat W-NW for the end of the week into the weekend. Fresh to strong NE-E winds are expected across most the SW N Atlantic Tue night through Fri as the pressure gradient tightens in the wake of the front. Frequent gusts to gale force are possible from 22N-27N Wed night into early Fri. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. .WED...NE winds 20 to 25 kt. Seas 8 to 10 ft. .WED NIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 15 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...E winds 15 to 20 kt. Seas 7 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...N winds 10 to 15 kt W of 70W, and W less than 10 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED...N winds 15 to 25 kt W of 70W, and N 10 to 20 kt elsewhere. Seas 6 to 9 ft. .WED NIGHT...NE winds 20 to 25 kt. Seas 7 to 10 ft. .THU...NE winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .FRI...NE winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...NE winds 15 to 25 kt. Seas 8 to 10 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. Bahamas N of 22N ...GALE WARNING... .TODAY...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. .WED...NE winds 15 to 25 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 20 to 30 kt with frequent gusts to 35 kt. Seas 7 to 10 ft Atlc Exposures, and 4 to 6 ft elsewhere. .THU...NE to E winds 25 to 30 kt with frequent gusts to 35 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...NE winds 15 to 25 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...GALE WARNING... .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds 15 to 25 kt W of 70W, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft W of 70W, and 5 to 7 ft elsewhere. .WED NIGHT...NE winds 20 to 25 kt with frequent gusts to 35 kt behind front. Seas 8 to 12 ft. .THU...NE winds 20 to 30 kt with frequent gusts to 35 kt. Seas 7 to 11 ft. .THU NIGHT...NE to E winds 20 to 25 kt with frequent gusts to 35 kt. Seas 8 to 12 ft. .FRI...E winds 15 to 25 kt. Seas 9 to 12 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 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 3 to 5 ft. .WED...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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 20 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 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 15 to 20 kt. Seas 7 to 9 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. .SAT...E winds 15 to 20 kt. Seas 8 to 9 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 8 ft.