000 FZNT31 KNHC 250918 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 518 AM EDT Mon Oct 25 2021 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 ridge N of the Caribbean Sea will support fresh to locally strong trades E of the Windward Islands and across the eastern Caribbean through tonight. Winds are also expected to pulse fresh to strong in the south-central Caribbean, including the Gulf of Venezuela through tonight. A cold front is expected to reach the NW Caribbean Thu night into Fri morning, with seas building to 8-9 ft in the Yucatan Channel later on Fri. NW Caribbean W of 85W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds less than 10 kt, shifting to E after midnight. Seas 3 to 4 ft. .FRI...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .TONIGHT...E winds 10 to 15 kt S of 18N, and SE less than 10 kt elsewhere. S of 18N, seas 4 to 6 ft. Elsewhere, seas 3 ft in the evening, subsiding to 2 ft or less. .TUE...E winds 10 to 15 kt S of 18N, and SE less than 10 kt elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TUE NIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 15 to 20 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .FRI...S winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. SW Caribbean S of 11N .TODAY...E winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .WED...W winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...W winds less than 10 kt, shifting to SW after midnight. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .FRI...Variable winds less than 10 kt. Seas 3 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .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...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. 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 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt, shifting to E after midnight. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 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 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 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. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds less than 10 kt, shifting to NE after midnight. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A non-tropical low pressure system is expected to form off the east coast of the United States during the next day or so. The frontal low will move generally north-northeastward through the middle of the week, and the system will likely bring rain and wind impacts to portions of the mid-Atlantic and northeast U.S. coast. The associated cold front will move eastward across the northern forecast waters today. Fresh to strong southerly winds and building seas are expected ahead of the front. Another cold front will push off NE Florida coast on Tue, and bring more fresh to strong winds across the waters N of 27N. A third cold front is expected to sweep across the region Thu night through Fri night bringing another round of fresh to strong winds north of the Bahamas. ATLC waters from 27N to 31N W of 77W .TODAY...SW winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...W winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .WED...N winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .THU...S winds 10 to 15 kt, increasing to 15 to 25 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...SW winds 20 to 30 kt. Seas 7 to 10 ft. .FRI...W winds 20 to 30 kt. Seas 8 to 13 ft. .FRI NIGHT...W winds 15 to 25 kt. Seas 8 to 11 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...S winds 15 to 25 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...SW winds 15 to 25 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 6 to 8 ft. .TUE...SW winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...W winds 10 to 20 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 6 to 9 ft. .WED...W winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NW winds 10 to 15 kt, shifting to W in the afternoon. Seas 7 to 10 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...SW winds 10 to 20 kt. Seas 8 to 12 ft. .FRI NIGHT...SW winds 10 to 20 kt. Seas 8 to 11 ft. Bahamas N of 22N .TODAY...S winds 10 to 15 kt. Seas 3 ft. .TONIGHT...S winds less than 10 kt. Seas 2 ft or less. .TUE...SW winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...W winds less than 10 kt. Seas 2 ft or less. .WED...W winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .THU...SW winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...S winds less than 10 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 4 to 5 ft. .TUE...S winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .THU...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...SW winds less than 10 kt. Seas 5 to 7 ft. .FRI...SW winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...S winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 ft. .WED...S winds less than 10 kt. Seas 3 ft. .WED NIGHT...S winds less than 10 kt. Seas 3 ft. .THU...S winds less than 10 kt. Seas 3 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI...S winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...SE 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 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...SE winds 10 kt. Seas 4 to 5 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft. .WED...SE winds 10 kt. Seas 4 ft. .WED NIGHT...SE winds 10 kt. Seas 4 ft. .THU...SE winds 10 kt. Seas 4 ft. .THU NIGHT...SE winds 10 kt. Seas 4 to 5 ft. .FRI...SE winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds less than 10 kt. Seas 5 to 6 ft.