000 FZNT31 KNHC 190941 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 541 AM EDT Sun Mar 19 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...A weakening shear line extends westward from the central tropical Atlantic across Martinique to the eastern Caribbean Sea near 14N68W. A large 1026 mb high pressure north of the shear line near 29N54W will support fresh to occasionally strong NE to E winds, and moderate to locally rough seas across the eastern and central Caribbean through Mon. Moderate northerly swell will persist at the Atlantic passages through midweek next week. Fresh to strong easterly winds will continue to pulse off Colombia through Mon, then increase to between strong and near-gale by Tue. These winds might reach gale-force on Tue and Wed nights. Winds and seas are expected to increase in the Yucatan Channel and far northwestern Caribbean this evening through Mon as a cold front moves into the area. These winds and seas should gradually diminish late Mon night through Tue as the stalled front dissipates. NW Caribbean W of 85W .TODAY...SW winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...N winds less than 10 kt, increasing to 10 to 20 kt after midnight. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. .MON...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 8 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 20 kt. Seas 4 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. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 20 kt S of 18N, and SE less than 10 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt S of 18N, and S less than 10 kt elsewhere. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt S of 18N, and NE less than 10 kt elsewhere. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 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 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 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 CONDITIONS POSSIBLE TUESDAY AND WEDNESDAY NIGHTS... .TODAY...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...NE winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .MON...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .MON NIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 20 to 30 kt within 90 nm of coast of Colombia, and 10 to 20 kt elsewhere. Seas 6 to 9 ft. .WED...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 20 to 30 kt within 90 nm of coast of Colombia, and 10 to 20 kt elsewhere. Seas 7 to 10 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 15 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 6 to 9 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NE 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. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 5 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 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .MON...Gulf of Venezuela, E winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 7 ft elsewhere. .MON NIGHT...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 6 to 7 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 4 to 6 ft. .THU NIGHT...NE 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 20 kt. Seas 7 to 10 ft. .TONIGHT...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 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...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 20 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 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A 1026 mb high pressure centered southeast of Bermuda near 29N54W is supporting fresh to occasionally strong E to SE winds off Hispaniola through this evening. Large northerly swell west of 65W will subside to moderate by Mon, except for waters northeast of the northern Leeward Islands. A cold front reaches southwestward from off the Carolinas coast across 31N76W through southern Florida. Moderate to fresh NW winds with moderate seas are found off the northeast Florida coast behind the front, while fresh to strong southerly winds and rough seas are present ahead of the front north of 29N to near 68W. This front will move east and stall from Bermuda to the Straits of Florida by Mon morning. Looking ahead, winds and seas will increase north of the stalled front Mon through mid week with NE swell. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...N winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 15 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 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...SW winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .MON...S winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...W of 70W, W winds 10 to 15 kt, shifting to N 15 to 25 kt after midnight. Elsewhere, S winds 10 to 15 kt. Seas 7 to 10 ft. .TUE...N winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .WED...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Bahamas N of 22N .TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 ft. .MON...SE winds 10 to 15 kt, shifting to NW in the afternoon. Seas 3 to 4 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .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 20 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 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft. .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...S winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...S winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 15 kt. Seas 7 to 9 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 7 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 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 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 20 kt. Seas 8 to 10 ft. .TONIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. .MON...E winds 10 to 20 kt. Seas 7 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 15 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 6 to 7 ft. .THU...E winds 10 to 15 kt. Seas 6 ft. .THU NIGHT...E winds 10 kt. Seas 6 to 7 ft.