000 FZNT31 KNHC 080907 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 407 AM EST Thu Mar 8 2018 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...Large northerly swell propagating through the northeastern Caribbean passages, and through the tropical waters east of the Lesser Antilles, will gradually subside through the remainder of this week. Fresh to strong trades will prevail across the south- central Caribbean into early next week. NW Caribbean W of 85W .TODAY...NE winds less than 10 kt. Seas 2 ft or less, building to 3 to 4 ft in the afternoon. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .MON...NE winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 10 to 20 kt S of 18N, and NE less than 10 kt elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .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...SE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...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. .FRI...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. .FRI NIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 7 to 10 ft. .SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .MON...E winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TODAY...N winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SUN...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 6 to 9 ft. .SUN NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 8 ft. .MON...N winds less than 10 kt. Seas 6 to 8 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TODAY...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft. .FRI...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft. .FRI NIGHT...E winds 25 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .SAT...E winds 15 to 25 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN...E winds 15 to 25 kt. Seas 8 to 11 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .MON...E winds 15 to 25 kt. Seas 8 to 11 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 7 to 10 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 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 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 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 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...Large northerly swell will slowly subside across the open waters through the end of the week. A cold front from near Bermuda to western Cuba will reach from 31N65W to central Cuba tonight, then from 25N65W to the Windward Passage Fri night. A second cold front will move east across the waters north of the Bahamas on today, and merge with the first cold front across the waters N of Puerto Rico late Fri. The merged fronts will stall over this area on Friday with the lingering boundary shifting northward this weekend. A third cold front will move into the NW waters late this weekend. This front will extend from near 31N68W to the Straits of Florida Mon night. ATLC waters from 27N to 31N W of 77W .TODAY...NW winds 15 to 25 kt. Seas 8 to 10 ft. .TONIGHT...NW winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...NW winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NW winds 10 to 15 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .SAT...Variable winds less than 10 kt, becoming S 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...S winds 15 to 20 kt, increasing to 20 to 30 kt in the afternoon. Seas 5 to 7 ft, building to 7 to 10 ft in the afternoon. .SUN NIGHT...SW winds 20 to 30 kt. Seas 8 to 11 ft. .MON...W winds 20 to 30 kt. Seas 8 to 11 ft. .MON NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W .TODAY...W winds 15 to 25 kt. Seas 9 to 13 ft. .TONIGHT...W winds 15 to 25 kt. Seas 9 to 12 ft. .FRI...NW winds 10 to 20 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 8 to 12 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft. .SAT...NW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 9 ft. .SAT NIGHT...N winds less than 10 kt, shifting to SE after midnight. Seas 5 to 7 ft. .SUN...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...S winds 20 to 30 kt. Seas 8 to 11 ft. .MON...SW winds 20 to 30 kt. Seas 9 to 14 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 11 to 16 ft. Bahamas N of 22N .TODAY...W winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON...W winds 10 to 20 kt. Seas 3 to 4 ft. .MON NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SW winds 10 to 20 kt. Seas 8 to 10 ft. .TONIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NW winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds less than 10 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 6 to 7 ft. .MON...S winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .FRI...SE winds less than 10 kt, shifting to E in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 kt. Seas 9 to 10 ft. .TONIGHT...E winds 10 kt. Seas 7 to 9 ft. .FRI...SE winds 10 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds less than 10 kt. Seas 6 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 7 ft. .SUN...E winds 10 to 15 kt. Seas 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 7 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 6 to 7 ft.