180 FZNT31 KNHC 271338 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 938 AM EDT Mon Mar 27 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 high pressure north of the area and low pressure over Colombia will support fresh to strong easterly winds at the central Caribbean most of the week. Winds north of Colombia will pulse to gale-force at night through Tue night, then again Thu night and Fri night. Fresh to strong trade winds will persist in the Gulf of Honduras through Wed morning, occasionally reaching near-gale force. Moderate to fresh trade winds will prevail elsewhere across the Caribbean. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .TUE...SE winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 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 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .TUE...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt S of 18N, and NE less than 10 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 to 5 ft elsewhere. .WED...E winds 10 to 15 kt. Seas 4 to 6 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...E winds 10 to 20 kt. Seas 3 to 5 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. Caribbean from 11N to 15N W of 72W ...GALE WARNING... ...GALE CONDITIONS POSSIBLE THU NIGHT AND FRI NIGHT... .THIS AFTERNOON...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .TONIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .TUE...E winds 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .TUE NIGHT...NE winds 25 to 35 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 11 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NE winds 25 to 35 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 11 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 25 to 35 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 11 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NE winds 10 to 15 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TUE...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TUE NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. 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 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI 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 .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...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 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...NE winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NE 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 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 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...High pressure will prevail over the western Atlantic through Tue. A cold front is forecast to move off the SE United States coast on Tue morning, then slowly track southeastward through Fri when it will reach to along 22N/23N. Fresh to strong winds and higher seas are forecast N of 29N in the vicinity of the front Wed, with moderate to fresh winds elsewhere in the vicinity of the front. High pressure building in the wake of the front will tighten the pressure gradient, generating fresh to strong NE to ENE winds across the Bahamas by Thu night. NE swell will build seas to around 8 ft east of the Bahamas by the end of the week. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...SW winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SW winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds less than 10 kt, shifting to W after midnight. Seas 3 to 4 ft. .WED...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...S winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...SW winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...W of 70W, SW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, SW winds 10 to 15 kt. Seas 4 to 5 ft. .WED...W winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 6 to 8 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...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. Bahamas N of 22N .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .WED...S winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .THU...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 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. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 4 to 5 ft. .TUE...S winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .WED...S winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...W winds less than 10 kt, shifting to N after midnight. Seas 3 to 5 ft. .THU...NE winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 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 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 6 to 7 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 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 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft.