000 FZNT31 KNHC 201514 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1114 AM EDT Sat Mar 20 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 stationary front across the far NW Caribbean will dissipate through late today. Large northerly swell east of the Leeward Islands will subside through today. Fresh to strong winds will prevail over the south central Caribbean into early next week. Looking ahead, high pressure building over the western Atlantic will support fresh to strong SE winds over the northwest Caribbean by mid week. NW Caribbean W of 85W .THIS AFTERNOON...N winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...N winds 10 to 15 kt, shifting to NE in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 4 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...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 15 kt S of 18N, and NE less than 10 kt elsewhere. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .TONIGHT...S of 18N, NE winds 10 to 15 kt. Elsewhere, N winds less than 10 kt, shifting to NE after midnight. Seas 3 to 5 ft. .SUN...S of 18N, NE winds 10 to 15 kt. Elsewhere, NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...S of 18N, NE winds 10 to 15 kt. Elsewhere, N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .TUE...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...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. .TONIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .SUN...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. .SUN NIGHT...NE winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .SUN NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED 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 .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 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 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front extends from 31N70W central Cuba. A cold front moving through the waters off northeast Florida will move into the Straits of Florida by early Sun as the first front dissipates. The second front will move farther east and dissipate through Mon as low pressure developing along the front lifts north of the area through Tue. A ridge will build westward into the region along roughly 27N by Wed. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft, building to 9 to 14 ft after midnight. .SUN...E winds 10 to 20 kt. Seas 9 to 13 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. .MON...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 7 to 10 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 8 to 11 ft. .TUE...E winds less than 10 kt, shifting to N in the afternoon. Seas 6 to 9 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 6 to 8 ft. .WED...S winds less than 10 kt. Seas 5 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...W of 70W, N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, SW winds less than 10 kt. Seas 8 to 11 ft W of 70W, and 6 to 9 ft elsewhere. .TONIGHT...NE winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 8 to 13 ft W of 70W, and 7 to 10 ft elsewhere. .SUN...SE winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 8 to 12 ft. .SUN NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 7 to 10 ft. .MON...S winds 10 to 15 kt. Seas 7 to 9 ft. .MON NIGHT...S winds less than 10 kt. Seas 6 to 8 ft. .TUE...SW winds less than 10 kt. Seas 6 to 8 ft. .TUE NIGHT...SW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 5 to 7 ft. .WED...Variable winds less than 10 kt. Seas 5 to 6 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 5 ft. Bahamas N of 22N .THIS AFTERNOON...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds less than 10 kt. Seas 2 ft or less, building to 3 to 5 ft after midnight. .SUN...S winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds less than 10 kt. Seas 3 to 5 ft. .MON...SW winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. .TUE...Variable winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...SE winds less than 10 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. .MON...SE winds 10 to 15 kt. Seas 6 to 7 ft. .MON NIGHT...SE winds less than 10 kt. Seas 6 to 7 ft. .TUE...S winds less than 10 kt. Seas 5 to 6 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 5 to 6 ft. .WED...SE winds less than 10 kt. Seas 5 ft. .WED NIGHT...E winds less than 10 kt. Seas 5 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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 5 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .TUE...E winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 6 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 6 ft. .TUE NIGHT...E winds 10 kt. Seas 6 ft. .WED...E winds 10 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft.