000 FZNT31 KNHC 180339 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1139 PM EDT Tue Oct 17 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 stationary front extends from eastern Cuba to the Gulf of Honduras. The front should remain in place through Wed before dissipating Wed night. Fresh to locally strong NE winds and moderate seas will persist over the northwest Caribbean through Wed as high pressure builds over the area. Looking ahead, a broad area of low pressure (AL94) located about 900 nautical miles east of the Windward Islands continues to show signs of organization. It has a high chance of tropical cyclone formation trough 48 hours. Regardless of development, this system has the potential to bring gusty winds, heavy rainfall, and flooding to portions of the Lesser Antilles beginning Friday. NW Caribbean W of 85W .OVERNIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. .FRI...N winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .SAT...N winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 ft. .SUN...NE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED...NE 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 S of 18N, and E less than 10 kt elsewhere. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 ft. .FRI...NE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SAT...NE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SUN...NE winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...E winds less than 10 kt. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 ft. .WED...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED NIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft. .SUN...E winds less than 10 kt. Seas 3 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. SW Caribbean S of 11N .OVERNIGHT...NE winds less than 10 kt. Seas 2 ft or less. .WED...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .WED NIGHT...Variable winds less than 10 kt, becoming NW less than 10 kt after midnight. Seas 3 ft. .THU...NW winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. .FRI...W winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...W winds less than 10 kt. Seas 3 ft. .SAT...W winds less than 10 kt. Seas 3 ft. .SAT NIGHT...SW winds less than 10 kt. Seas 3 ft. .SUN...SW winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...S winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .OVERNIGHT...E winds 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .WED...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .WED NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. 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 15 kt. Seas 3 to 5 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .SUN...E winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W ...GALE WARNING... ...STORM CONDITIONS POSSIBLE FRI THROUGH FRI NIGHT... .OVERNIGHT...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 6 to 8 ft. .THU...E winds 25 to 35 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 25 to 35 kt. Seas 6 to 9 ft, building to 8 to 13 ft after midnight. .FRI...E winds 30 to 40 kt. Seas 10 to 15 ft. .FRI NIGHT...SE winds 30 to 40 kt. Seas 10 to 15 ft. .SAT...S winds 20 to 30 kt. Seas 8 to 13 ft. .SAT NIGHT...S winds 10 to 20 kt. Seas 8 to 13 ft, subsiding to 7 to 10 ft after midnight. .SUN...S winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W ...GALE WARNING... ...GALE CONDITIONS POSSIBLE THU NIGHT THROUGH FRI... .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 25 to 35 kt. Seas 8 to 12 ft. .THU NIGHT...E winds 25 to 35 kt. Seas 10 to 15 ft. .FRI...SE winds 20 to 30 kt. Seas 8 to 12 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. .SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front extends from 31N64W to eastern Cuba. The front will remain in place before dissipating Wed night or Thu. High pressure will build over the area in the wake of the front. Looking ahead, the next frontal system will move offshore the southeastern United States Fri night. Fresh to strong winds and rough seas are forecast north of 27N Fri night through Sat night with this system. A broad area of low pressure (AL94) located about 900 nautical miles east of the Windward Islands continues to show signs of organization. It has a high chance of tropical cyclone formation trough 48 hours. Interests in the Lesser Antilles should monitor the progress of this system. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...N winds 10 kt. Seas 3 to 5 ft. .WED...NE winds 10 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .THU...NE winds less than 10 kt. Seas 3 ft. .THU NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. .FRI...W winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...W winds 15 to 25 kt. Seas 4 to 6 ft. .SAT...W winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NW winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...NW winds less than 10 kt. Seas 4 to 6 ft. .WED...W of 70W, N winds less than 10 kt. Elsewhere, W winds less than 10 kt, shifting to SW in the afternoon. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt W of 70W, and E less than 10 kt elsewhere. Seas 3 to 5 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .FRI...S winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SW winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...W winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...W winds 10 to 15 kt, shifting to NW in the afternoon. Seas 7 to 10 ft. .SUN NIGHT...N winds less than 10 kt. Seas 6 to 9 ft. Bahamas N of 22N .OVERNIGHT...NE winds 10 to 15 kt. Seas 3 ft. .WED...NE winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. .FRI...W winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...W winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SAT...W winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .SUN...NE winds less than 10 kt. Seas 3 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...S winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...SW winds 10 to 15 kt, shifting to W after midnight. Seas 6 to 9 ft. .SUN...N winds less than 10 kt. Seas 7 to 10 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 8 to 11 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds less than 10 kt. Seas 3 ft. .WED...E winds less than 10 kt. Seas 3 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 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 6 to 8 ft. .SUN...N winds less than 10 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W ...STORM CONDITIONS POSSIBLE SAT THROUGH SAT NIGHT... .OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 8 to 10 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. .SAT...E winds 30 to 40 kt. Seas 10 to 15 ft. .SAT NIGHT...SE winds 30 to 40 kt. Seas 12 to 17 ft. .SUN...S winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. Seas 11 to 16 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 10 to 15 ft, subsiding to 8 to 11 ft after midnight.