000 FZNT31 KNHC 030904 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 404 AM EST Sat Mar 3 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...A low pressure system will deepen across the NW Atlc through the weekend and produce a large N swell that will penetrate the NE Caribbean Passages Sun through late Wed, reaching the A-B-C Islands and coastal Venezuela. The low will drag a cold front into the northern Caribbean Sat night, gradually dissipating through early next week. NW Caribbean W of 85W .TODAY...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE 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 less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .TONIGHT...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 4 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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. Caribbean from 11N to 15N W of 72W .TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 4 to 6 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TODAY...NE winds 10 to 15 kt Gulf of Venezuela, and NE less than 10 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .SUN...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere, Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .SUN NIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and N less than 10 kt elsewhere. Gulf of Venezuela, seas 3 ft in the evening, subsiding to 2 ft or less. Elsewhere, seas 4 to 6 ft. .MON...NE winds less than 10 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED 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...S winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...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 8 to 13 ft. .MON...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 9 to 14 ft. .MON NIGHT...N winds less than 10 kt. Seas 8 to 13 ft. .TUE...NE winds less than 10 kt. Seas 8 to 11 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. .WED...NE winds 10 to 15 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 7 to 10 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .TONIGHT...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, diminishing to less than 10 kt in the afternoon. Seas 8 to 11 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 7 to 10 ft. .WED...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front extends from 27N65W to south Florida. Strong to gale force winds prevail behind the front. The front will shift southeast of the area Sunday with gale force conditions shifting east of the area. 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, shifting east through Wed night. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 15 to 25 kt. Seas 9 to 14 ft. .TONIGHT...N winds 20 to 25 kt. Seas 11 to 16 ft. .SUN...N winds 20 to 25 kt. Seas 13 to 18 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 15 to 19 ft. .MON...N winds 10 to 15 kt. Seas 13 to 17 ft. .MON NIGHT...NE winds 10 kt in the evening, becoming variable winds less than 10 kt. Seas 12 to 15 ft. .TUE...SE winds less than 10 kt, becoming S 10 to 20 kt in the afternoon. Seas 11 to 13 ft. .TUE NIGHT...S winds 10 to 20 kt, becoming SW 20 to 30 kt after midnight. Seas 11 to 14 ft. .WED...W winds 15 to 25 kt. Seas 9 to 14 ft. .WED NIGHT...W winds 15 to 20 kt. Seas 9 to 11 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .TODAY...NW winds 20 to 30 kt W of 70W, and W 30 to 40 kt elsewhere. W of 70W, seas 16 to 21 ft, building to 15 to 25 ft in the afternoon. Elsewhere, seas 19 to 29 ft, building to 22 to 32 ft in the afternoon. .TONIGHT...NW winds 20 to 30 kt W of 70W, and NW 30 to 35 kt elsewhere. Seas 17 to 27 ft W of 70W, and 24 to 32 ft elsewhere. .SUN...NW winds 20 to 30 kt. Seas 18 to 26 ft W of 70W, and 23 to 27 ft elsewhere. .SUN NIGHT...N winds 20 to 30 kt W of 70W, and NW 25 to 30 kt elsewhere. Seas 18 to 24 ft W of 70W, and 21 to 25 ft elsewhere. .MON...NW winds 20 to 30 kt. Seas 17 to 23 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 17 to 22 ft. .TUE...NW winds 10 to 20 kt. Seas 14 to 19 ft. .TUE NIGHT...W winds 10 to 20 kt. Seas 12 to 15 ft. .WED...SW winds 15 to 25 kt. Seas 11 to 14 ft. .WED NIGHT...SW winds 15 to 25 kt. Seas 9 to 13 ft. Bahamas N of 22N .TODAY...N winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...N winds 10 to 20 kt. Seas 8 to 11 ft. .SUN NIGHT...N winds 10 to 20 kt. Seas 8 to 11 ft. .MON...NE winds 10 to 15 kt. Seas 8 to 11 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .TUE...E winds less than 10 kt, shifting to SE in the afternoon. Seas 6 to 9 ft. .TUE NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 8 ft. .WED...S winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...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. .TONIGHT...NW winds 15 to 25 kt W of 70W, and NW 20 to 30 kt elsewhere. Seas 16 to 21 ft. .SUN...NW winds 15 to 25 kt W of 70W, and NW 20 to 30 kt elsewhere. Seas 16 to 21 ft W of 70W, and 18 to 24 ft elsewhere. .SUN NIGHT...NW winds 20 to 25 kt. Seas 18 to 22 ft. .MON...NW winds 10 to 20 kt. Seas 16 to 20 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 15 to 19 ft. .TUE...N winds 10 to 15 kt. Seas 13 to 17 ft. .TUE NIGHT...E winds less than 10 kt. Seas 12 to 14 ft. .WED...SE winds less than 10 kt, shifting to S in the afternoon. Seas 10 to 12 ft. .WED NIGHT...S winds 10 to 20 kt. Seas 9 to 11 ft. ATLC waters S of 22N W of 65W .TODAY...W winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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...N 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 11 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 8 to 11 ft. .WED...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 7 to 10 ft. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SW winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft, building to 9 to 14 ft after midnight. .SUN...W winds 15 to 20 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 10 to 20 kt. Seas 14 to 17 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 12 to 14 ft. .TUE...NW winds 10 to 15 kt. Seas 11 to 13 ft. .TUE NIGHT...N winds 10 kt. Seas 11 to 13 ft. .WED...NE winds 10 kt. Seas 10 to 12 ft. .WED NIGHT...E winds 10 kt. Seas 9 to 10 ft.