000 FZNT31 KNHC 250855 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 455 AM EDT Wed Oct 25 2017 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 ATLC from 07N to 19N between 55W and 64W .SYNOPSIS...Widespread showers and scattered thunderstorms, associated with a trough along the coasts of Nicaragua and Honduras, will persist across the W Caribbean during the next few days. A cold front is moving into the NW Caribbean today. The front will reach from central Cuba to NE Honduras tonight, and weaken as it reaches from SE Cuba to NE Honduras Thursday. The front will weaken more, to a trough, from SE Cuba to the Gulf of Honduras Thursday night through Friday, and may develop into broad low pressure in the NW Caribbean through Saturday night. NW Caribbean W of 85W .TODAY...N winds 15 to 25 kt. Seas 5 to 7 ft. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. .THU...N winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...S of 18N, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt, shifting to SE after midnight. Seas 3 to 5 ft. .SAT...SE winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN...SW winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...Within 90 nm of coast of Colombia, SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .THU...SE winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt within 90 nm of coast of Colombia, and SE less than 10 kt elsewhere. Seas 3 to 4 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...NE 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. SW Caribbean S of 11N .TODAY...S winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .THU...S winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 ft. .FRI...SW winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...NW winds less than 10 kt. Seas 2 ft or less. .SAT...NW winds less than 10 kt. Seas 3 ft. .SAT NIGHT...NW winds less than 10 kt. Seas 3 ft. .SUN...NW winds less than 10 kt. Seas 3 ft. .SUN NIGHT...N winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...E 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 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 4 to 6 ft. .TONIGHT...E 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 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .SUN...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 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 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front is moving off the coast of NE Florida, currently passing through 31N77W to West Palm Beach. The front will pass through 31N75W to Andros Island in the Bahamas to NW Cuba late Wednesday, from 31N68W to eastern Cuba late Thursday, before stalling and weakening from 31N62W to central Cuba through Fri and Sat. Fresh to strong NW winds behind the front will diminish on Thursday, leaving a fairly weak pressure pattern along with gentle breezes through the remainder of the week. Looking ahead, another front will move off the coast of NE Florida on Sunday about sunrise, followed by strong NW winds and seas ranging from 8 to 10 feet. ATLC waters from 27N to 31N W of 77W .TODAY...NW winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 5 to 6 ft. .THU...NW winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .FRI...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 kt. Seas 3 to 4 ft. .SAT...SE winds 10 kt. Seas 4 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...S winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...S winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft. .THU...W winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .FRI...N winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...NE winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 6 to 9 ft. Bahamas N of 22N .TODAY...S winds 10 to 15 kt. Seas 3 ft. .TONIGHT...W winds 10 to 15 kt. Seas 3 ft. .THU...N winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .SUN...S winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .THU...S winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .FRI...E winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .THU...SE 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 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU...E winds 10 to 15 kt. Seas 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 6 ft. .SAT NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .SUN...E winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 5 to 7 ft.