000 FZNT31 KNHC 021507 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1007 AM EST Fri Mar 2 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 NE swell will impact the tropical Atlantic waters through Sat. A low pressure system will develop across the NW Atlc through the weekend and produce a large N swell that will penetrate the NE Caribbean Passages Sun through late Tue, reaching the A-B-C Islands and coastal Venezuela. NW Caribbean W of 85W .TODAY...E winds 15 to 20 kt S of 17N W of 87W, and E 10 to 15 kt elsewhere. Seas 3 to 6 ft. .TONIGHT...NE to E winds 10 to 15 kt. Seas 2 to 4 ft. .SAT...NE to E winds 10 to 15 kt S of 17N W of 87W, and NE 10 to 15 kt elsewhere. Seas 2 to 4 ft. .SAT NIGHT...NE to E winds 10 to 15 kt S of 17N W of 87W, and NE 10 to 15 kt elsewhere. Seas 2 to 4 ft. .SUN...NE winds 10 to 15 kt. Seas 1 to 3 ft, building to 2 to 4 ft in the afternoon. .SUN NIGHT...NE to 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 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt S of 18N, and NE less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...S of 18N, NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .SAT...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...NE to E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE to E 15 to 20 kt elsewhere. Seas 6 to 10 ft. .TONIGHT...NE to E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE to E 15 to 20 kt elsewhere. Seas 6 to 10 ft. .SAT...NE to E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 15 to 20 kt elsewhere. Seas 6 to 10 ft. .SAT NIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and N to NE 10 to 15 kt elsewhere. Seas 4 to 7 ft. .SUN...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE to E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE to E winds 15 to 20 kt. Seas 4 to 7 ft. SW Caribbean S of 11N .TODAY...NE winds 15 to 20 kt. Seas 6 to 10 ft. .TONIGHT...N to NE winds 15 to 20 kt. Seas 6 to 10 ft. .SAT...N to NE winds 15 to 20 kt. Seas 6 to 10 ft. .SAT NIGHT...N to NE winds 15 to 20 kt. Seas 5 to 8 ft. .SUN...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...N to NE winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...N to NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N to NE winds 15 to 20 kt. Seas 3 to 6 ft. Caribbean between 64W and 72W .TODAY...NE to E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 7 ft. .TONIGHT...NE to E winds 15 to 20 kt Gulf of Venezuela, and NE to E 10 to 15 kt elsewhere. Seas 4 to 7 ft. .SAT...NE winds 15 to 20 kt Gulf of Venezuela, and NE to E 10 to 15 kt elsewhere. Seas 3 to 6 ft. .SAT NIGHT...NE winds 15 to 20 kt Gulf of Venezuela, and NE 5 to 10 kt elsewhere. Seas 3 to 5 ft. .SUN...N to NE winds 5 to 10 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 5 to 10 kt. Seas 3 to 6 ft. .MON...N to NE winds 5 to 10 kt. Seas 3 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 6 ft. .TUE...NE to E winds 10 to 15 kt. Seas 4 to 7 ft. .TUE NIGHT...NE to E winds 15 to 20 kt. Seas 6 to 10 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 9 ft. .TONIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .SAT...S winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...S winds less than 10 kt, shifting to SW after midnight. Seas 4 to 6 ft. .SUN...SW winds 10 to 15 kt. Seas 6 to 8 ft, building to 8 to 11 ft in the afternoon. .SUN NIGHT...W winds 10 to 15 kt. Seas 9 to 14 ft. .MON...W winds less than 10 kt. Seas 9 to 14 ft. .MON NIGHT...NW winds less than 10 kt. Seas 8 to 13 ft. .TUE...N winds less than 10 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. .MON...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 7 to 10 ft. .MON NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 7 to 10 ft. .TUE...E winds 10 to 15 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front extends from 31N72W to near Melbourne Florida with a secondary front from 31N75W to near Daytona Beach Florida. The fronts will merge today with strong to gale force winds prevailing north of 24N east of 75W. The merged fronts, and associated area of gale force winds will shift E of the area Sun. The largest swell event thus far in this winter season will accompany this system, affecting all waters E of Florida and the Bahamas through Tue. Another strong cold front may impact the waters E of Florida Tue night. ATLC waters from 27N to 31N W of 77W .TODAY...NW to N winds 20 to 25 kt. Seas 9 to 11 ft. .TONIGHT...NW to N winds 20 to 25 kt. Seas 10 to 12 ft. .SAT...NW to N winds 20 to 25 kt. Seas 12 to 16 ft. .SAT NIGHT...N winds 20 to 25 kt. Seas 14 to 18 ft. .SUN...N winds 20 to 25 kt. Seas 15 to 20 ft. .SUN NIGHT...N to NE winds 20 to 25 kt. Seas 15 to 20 ft. .MON...N to NE winds 15 to 20 kt. Seas 14 to 18 ft. .MON NIGHT...NE winds 5 to 10 kt. Seas 13 to 17 ft. .TUE...SE to S winds 10 to 15 kt. Seas 12 to 14 ft. .TUE NIGHT...S to SW winds 20 to 25 kt. Seas 12 to 14 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .TODAY...SW to W winds 25 to 35 kt N of 29N, shifting to W to NW behind front. Winds 20 to 25 kt elsewhere. Seas 8 to 14 ft, building to 14 to 18 ft towards evening. .TONIGHT...NW winds 25 to 35 kt N of 29N, and NW 20 to 30 kt elsewhere. Seas 17 to 23 ft, building to 20 to 26 ft early in the morning. .SAT...NW winds 25 to 35 kt. Seas 20 to 30 ft. .SAT NIGHT...NW to N winds 25 to 35 kt. Seas 22 to 32 ft. .SUN...NW to N winds 25 to 35 kt. Seas 19 to 25 ft. .SUN NIGHT...N winds 25 to 35 kt. Seas 19 to 25 ft. .MON...N winds 20 to 30 kt. Seas 17 to 23 ft. .MON NIGHT...N winds 20 to 25 kt. Seas 17 to 23 ft. .TUE...N to NE winds 10 to 15 kt. Seas 14 to 18 ft. .TUE NIGHT...S to SW winds 15 to 20 kt. Seas 12 to 14 ft. Bahamas N of 22N .TODAY...E of front, variable winds 5 to 10 kt. W of front, NW to N winds 10 to 15 kt. Seas 1 to 3 ft, building to 4 to 7 ft Atlc Exposures and near Gulf Stream. .TONIGHT...N winds 15 to 20 kt. Seas 5 to 8 ft in NE swell ATLC Exposures, and 3 to 5 ft elsewhere. .SAT...N winds 15 to 20 kt. Seas 8 to 10 ft. .SAT NIGHT...N winds 15 to 20 kt. Seas 12 to 14 ft. .SUN...N winds 15 to 20 kt. Seas 9 to 11 ft. .SUN NIGHT...N winds 15 to 20 kt. Seas 9 to 11 ft. .MON...N to NE winds 15 to 20 kt. Seas 9 to 11 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 9 to 11 ft. .TUE...E winds 10 to 15 kt. Seas 8 to 10 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 6 to 10 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NW winds 10 to 20 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 7 to 10 ft. .SAT...NW winds 15 to 25 kt W of 70W, and W 20 to 30 kt elsewhere. Seas 9 to 14 ft, building to 12 to 17 ft in the afternoon. .SAT NIGHT...NW winds 15 to 25 kt W of 70W, and NW 20 to 30 kt elsewhere. W of 70W, seas 14 to 19 ft. Elsewhere, seas 15 to 20 ft, building to 16 to 24 ft after midnight. .SUN...NW winds 15 to 25 kt. Seas 17 to 22 ft. .SUN NIGHT...NW winds 20 to 25 kt. Seas 18 to 21 ft. .MON...NW winds 15 to 25 kt. Seas 16 to 20 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 16 to 19 ft. .TUE...N winds 10 to 15 kt. Seas 14 to 17 ft. .TUE NIGHT...E winds less than 10 kt. Seas 13 to 15 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...NW winds less than 10 kt. Seas 4 to 6 ft. .SAT...W winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...NW winds 10 to 20 kt. Seas 9 to 14 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 10 to 15 ft. .MON...NW winds 10 to 20 kt. Seas 9 to 14 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 8 to 13 ft. .TUE...NE winds 10 to 15 kt. Seas 8 to 13 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...Variable winds less than 10 kt. Seas 7 to 9 ft. .TONIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 6 to 8 ft. .SAT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft, building to 9 to 14 ft after midnight. .SUN...W winds 15 to 25 kt. Seas 11 to 16 ft, building to 14 to 19 ft in the afternoon. .SUN NIGHT...W winds 15 to 20 kt. Seas 16 to 19 ft. .MON...W winds 15 to 20 kt. Seas 14 to 17 ft. .MON NIGHT...W winds 10 to 20 kt. Seas 12 to 15 ft. .TUE...NW winds 10 to 15 kt. Seas 11 to 14 ft. .TUE NIGHT...N winds 10 kt. Seas 11 to 13 ft.