000 FZNT31 KNHC 041530 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1030 AM EST Sat Mar 4 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 south of Bermuda and the Colombian diurnal low will support strong trades across the central Caribbean through tonight. Strong to near-gale SE winds will persist in the NW Caribbean west of 82W, including the Gulf of Honduras and Yucatan Channel though tonight also. Moderate NE swell will gradually fade across the Tropical Atlantic waters and northeastern Caribbean passages through Sun. Winds will gradually diminish to below normal basin-wide Tue through Wed as an Atlantic cold front sinks southward toward the NE Caribbean islands. NW Caribbean W of 85W .TODAY...SE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...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 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...SE winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .TONIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, SE winds 10 to 15 kt, shifting to E after midnight. Seas 6 to 8 ft S of 18N, and 4 to 6 ft elsewhere. .SUN...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .SUN NIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft S of 18N, and 3 to 5 ft elsewhere. .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 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 20 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 20 to 30 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .SUN...NE winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 15 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 7 to 10 ft. .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 15 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .SUN...NE 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. .SUN NIGHT...NE winds 20 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 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 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 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt, shifting to NE after midnight. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...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. .MON...E winds less than 10 kt. Seas 5 to 7 ft. .MON NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .TUE...E winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .WED...Variable winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...Variable winds less than 10 kt, becoming W less than 10 kt after midnight. 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 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON...E winds 10 to 15 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 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 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Surface ridging extends from the central Atlantic westward along 23N-24N through the Bahamas and into the SE Gulf of Mexico. Fresh to strong S to SW winds will prevail offshore Florida and N of the Bahamas through tonight ahead of a cold front forecast to exit the U.S. southeast coast late today. Afterward, fresh to strong SW winds will shift eastward this weekend, ahead of the front, remaining north of 29N as the surface ridge settles along 24N. The ridge will reform NE of the Bahamas late Mon through Tue as the front dissipates along 24N. Large NW swell will impact the NE waters behind the front late Sun through Wed. ATLC waters from 27N to 31N W of 77W .TODAY...SW winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...SE winds 10 kt. Seas 4 to 5 ft. .TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...W winds less than 10 kt, shifting to NW after midnight. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...SW winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...N winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft W of 70W, and 7 to 10 ft elsewhere. .MON...NE winds 10 to 15 kt. Seas 7 to 10 ft. .MON NIGHT...N winds less than 10 kt. Seas 6 to 9 ft. .TUE...W winds less than 10 kt, increasing to 10 to 20 kt in the afternoon. Seas 6 to 9 ft. .TUE NIGHT...W winds 15 to 25 kt. Seas 7 to 10 ft. .WED...NW winds 15 to 25 kt. Seas 8 to 13 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 9 to 14 ft. Bahamas N of 22N .TODAY...SE winds 10 to 15 kt, shifting to S in the afternoon. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 3 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .MON NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .TUE...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .WED...Variable winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...S winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...S winds less than 10 kt. Seas 4 to 6 ft. .SUN...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 5 ft. .SUN NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 4 to 6 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 less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 6 to 7 ft. .TUE NIGHT...NW winds less than 10 kt, shifting to W after midnight. Seas 5 to 7 ft. .WED...NW winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 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 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .WED...Variable winds less than 10 kt, becoming N less than 10 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 kt. Seas 5 to 7 ft. .SUN...E winds less than 10 kt. Seas 5 to 7 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. .MON...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 5 to 6 ft. .MON NIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 6 to 8 ft. .TUE...Variable winds less than 10 kt. Seas 6 to 8 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 6 to 8 ft. .WED...SW winds less than 10 kt, shifting to W in the afternoon. Seas 6 to 9 ft. .WED NIGHT...W winds 10 to 15 kt. Seas 7 to 9 ft.