000 FZNT31 KNHC 181443 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1043 AM EDT Sun Jun 18 2023 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 the Bermuda High and the Colombian Low will support fresh to strong E trades from the central Caribbean to Nicaragua through this afternoon, then again across the central Caribbean tonight through early Wed. Fresh to strong E winds are expected in the Gulf of Honduras before sunrise today, then moderate to fresh through at least Thu. Scattered to numerous thunderstorms are expected across SW portions to the west of 78W through Mon. A strong tropical wave, and possible tropical cyclone, will move across 55W and into the Tropical Atlantic waters Thu through Thu night. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .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...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 3 to 5 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...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 5 ft elsewhere. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .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 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft. .TONIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .MON...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .TUE...E winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .WED...E winds 15 to 25 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .THIS AFTERNOON...E winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .MON NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .TUE...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 4 to 6 ft. .WED...E winds less than 10 kt, shifting to NW in the afternoon. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .THU...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .MON NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. 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 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU 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 ...GALE CONDITIONS POSSIBLE THU NIGHT... .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .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 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. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 20 to 30 kt. Seas 8 to 11 ft, building to 10 to 15 ft after midnight. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W ...GALE CONDITIONS POSSIBLE THU NIGHT... .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 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 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...NE winds 10 to 15 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 30 kt. Seas 8 to 13 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Bermuda high pressure extends a ridge SW through the central Bahamas to the Yucatan Channel, and will continue to dominate through mid-week. A weak cold front or trough may shift offshore N Florida and stall early in the week before dissipating. Mainly gentle to moderate anticyclonic winds will prevail the next several days, locally fresh offshore N Hispaniola and offshore N Florida. Scattered thunderstorms will continue from the NW Bahamas to 68W through tonight. A strong tropical wave, and possible tropical cyclone, will move across 55W and into the Tropical Atlantic waters Thu. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...W winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON...W winds 10 to 15 kt, shifting to S in the afternoon. Seas 3 to 4 ft. .MON NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .TUE...SW winds less than 10 kt, shifting to S in the afternoon. Seas 3 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .WED...S winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. .THU...S winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...SW winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...W of 70W, SW winds 10 to 15 kt. Elsewhere, S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .TUE...S winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...S winds 10 kt. Seas 3 to 4 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .THU...SE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 kt. Seas 3 to 5 ft. Bahamas N of 22N .THIS AFTERNOON...S winds 10 to 15 kt. Seas 3 ft. .TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .MON...S winds 10 to 15 kt, shifting to SE in the afternoon. Seas 3 ft. .MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .TUE...SE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...SE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...SE winds less than 10 kt. Seas 3 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 ft. .THU...E winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .WED...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .THU...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 4 to 5 ft. .THU NIGHT...E winds 10 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 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 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 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 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft.