773 FZNT31 KNHC 010335 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1035 PM EST Tue Feb 28 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 likely Wed night and Thu night off the coast of Colombia. Fresh to strong winds are expected in the Gulf of Honduras at night through Wed. 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 most of this week. NW Caribbean W of 85W .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 20 to 30 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 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 10 to 15 kt. S of 18N, seas 4 to 6 ft. Elsewhere, seas 2 ft or less, building to 3 ft after midnight. .WED...E winds 10 to 15 kt. Seas 3 to 5 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 20 kt. Seas 5 to 7 ft. .FRI...SE winds 10 to 20 kt. Seas 6 to 8 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 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING WEDNESDAY NIGHT... ...GALE CONDITIONS POSSIBLE THURSDAY NIGHT... .TONIGHT...NE winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .WED...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. .WED NIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE 15 to 25 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 20 to 30 kt. Seas 7 to 10 ft. .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 15 to 25 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 6 to 8 ft. .SAT...N winds less than 10 kt. Seas 6 to 9 ft. .SAT NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 6 to 8 ft. .SUN...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. Caribbean between 64W and 72W .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .WED...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .WED NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 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 15 to 25 kt. Seas 6 to 8 ft. .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 .TONIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .WED...NE winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...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 .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...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 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. .SUN...E winds 10 to 20 kt. Seas 6 to 9 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 progress eastward across the western Atlantic waters tonight through Wed, causing strong to near-gale westerly winds and higher seas north of 28N. Looking ahead, another cold front is forecast to exit the U.S. southeast coast on Fri, bringing another round of increasing winds and seas off Florida and near northwest Bahamas. ATLC waters from 27N to 31N W of 77W .TONIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .WED...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SW winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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 25 kt. Seas 5 to 7 ft. .FRI NIGHT...SW winds 15 to 25 kt. Seas 6 to 9 ft. .SAT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...N winds 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .TONIGHT...W winds 10 to 20 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 7 to 10 ft. .WED...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 8 to 11 ft elsewhere. .WED NIGHT...W of 70W, SE winds less than 10 kt, shifting to S after midnight. Elsewhere, NE winds less than 10 kt. Seas 5 to 7 ft W of 70W, and 7 to 10 ft elsewhere. .THU...W of 70W, SW winds 10 to 15 kt. Elsewhere, SE winds less than 10 kt, shifting to S in the afternoon. 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...S 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...W winds 10 kt. Seas 5 to 7 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. Bahamas N of 22N .TONIGHT...SE winds less than 10 kt. Seas 2 ft or less. .WED...SE winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...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 20 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SE winds 10 to 15 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 .TONIGHT...W of 70W, W winds 10 to 15 kt, shifting to NW after midnight. Elsewhere, W winds 10 to 15 kt. Seas 5 to 7 ft. .WED...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. .WED NIGHT...W of 70W, Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Elsewhere, N winds 10 kt. Seas 4 to 6 ft W of 70W, and 6 to 8 ft elsewhere. .THU...SE winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds less than 10 kt. 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...SE winds less than 10 kt. Seas 4 to 5 ft. .SUN...S winds less than 10 kt. Seas 4 to 5 ft. .SUN NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .WED...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...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 20 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. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...Variable winds less than 10 kt. Seas 6 to 8 ft. .WED...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 6 to 8 ft. .WED NIGHT...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 9 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 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 5 to 6 ft.