000 FZNT31 KNHC 010936 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 436 AM EST Wed Mar 1 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 the Colombian low will support fresh to strong trade winds over the south-central Caribbean through Sat. These winds will expand northward into the north-central basin on Thu. Pulsing winds to minimal gale-force are expected tonight and Thu night off the coast of Colombia. Fresh to strong winds will persist in the Gulf of Honduras through tonight. By Thu, these winds will become strong to near-gale force and spread over the northwestern basin. Moderate long-period N swell will impact the northeastern Caribbean and passages through this weekend. NW Caribbean W of 85W .TODAY...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...SE winds 20 to 30 kt. Seas 7 to 10 ft. .FRI NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...SE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING TONIGHT AND THURSDAY NIGHT... .TODAY...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TONIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 7 to 10 ft within 90 nm of coast of Colombia, and 6 to 8 ft elsewhere. .THU...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft. .THU NIGHT...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 within 90 nm of coast of Colombia, and 6 to 9 ft elsewhere. .FRI...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 15 to 25 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. .SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...N winds less than 10 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .TODAY...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .THU...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .THU NIGHT...E winds 20 to 30 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. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN 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 .TODAY...NE winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...NE 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 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 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. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Rough seas generated by long-period northerly swell will persist east of 63W through Thu. A cold front will keep progressing eastward across the western Atlantic waters through this afternoon, sustaining strong to near-gale westerly winds north of 28N and near 64W. Looking ahead, another cold front is forecast to exit the U.S. southeast coast on Fri and track eastward. It will bring southerly winds at strong to near-gale force east of Florida, moderate to fresh across northwest Bahamas along with moderate to rough seas Fri afternoon through Sat morning. Afterward, fresh to strong SW winds and rough seas are expected north of 29N this weekend. ATLC waters from 27N to 31N W of 77W .TODAY...W winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SW winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...S winds 15 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SW winds 20 to 30 kt. Seas 6 to 9 ft. .SAT...SW winds 20 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 6 to 8 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...N winds 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...W of 70W, NW winds 10 to 15 kt, shifting to E in the afternoon. Elsewhere, N winds 10 to 20 kt. Seas 5 to 7 ft W of 70W, and 7 to 10 ft elsewhere. .TONIGHT...W of 70W, S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, NE winds less than 10 kt. Seas 6 to 8 ft. .THU...S winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...SW winds 10 to 15 kt. Seas 5 to 6 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. Bahamas N of 22N .TODAY...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. .THU...SE winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 20 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 ft. .SUN...NE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, NW winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Elsewhere, NW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .TONIGHT...Variable winds less than 10 kt W of 70W, and N 10 kt elsewhere. Seas 3 to 5 ft W of 70W, and 6 to 8 ft elsewhere. .THU...SE winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 5 to 7 ft. .FRI...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .SAT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .SUN...SW winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .TODAY...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...NE 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...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 6 to 8 ft. .TONIGHT...N winds less than 10 kt. Seas 6 to 8 ft. .THU...Variable winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...E winds less than 10 kt. Seas 6 to 8 ft. .FRI...SE winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds 10 kt. Seas 5 to 6 ft. .SUN...E winds less than 10 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 5 to 6 ft.