000 FZNT31 KNHC 161539 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1139 AM EDT Fri Apr 16 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...An Ashfall Advisory is in effect for La Soufriere Volcano on the island of St. Vincent near 13.3N 61.2W. Mariners transiting the nearby waters should exercise caution, and are encouraged to report volcanic ash to the National Hurricane Center by calling 305-229-4424. Fresh to strong SE winds are expected in the NW Caribbean this weekend, and then again Tue night. Fresh to strong trade winds will prevail across the central Caribbean Sun night through early next week. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 15 to 25 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...S of 18N, E winds 10 to 15 kt. Elsewhere, SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TONIGHT...SE winds 10 to 15 kt. S of 18N, seas 3 to 5 ft. Elsewhere, seas 2 ft or less, building to 3 ft after midnight. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...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 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .TUE...E winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds less than 10 kt, shifting to S after midnight. Seas 4 to 6 ft. .SAT...SW winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 ft. .SUN...Variable winds less than 10 kt. Seas 3 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE...NE winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 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 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE 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...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SE 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 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W ...ASHFALL ADVISORY... [VOLCANO NAME] VOLCANO AT POSITION [xx.xN xx.xW] IS CURRENTLY IN A STATE OF UNREST AND COULD ERUPT WITH LITTLE NOTICE. MARINERS TRAVELING IN THE VICINITY OF [VOLCANO NAME] ARE URGED TO EXERCISE CAUTION. IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC DEBRIS...YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE NATIONAL HURRICANE CENTER BY CALLING 305-229-4424. .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. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 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 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extending from 31N75W to 29N81W will stall north of 28N through Sat then dissipate as it lifts northward through Sun. Elsewhere, weak high pressure will dominate. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NW winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .SAT...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .SUN...W winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .MON...W winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NW winds less than 10 kt, shifting to E after midnight. Seas 3 to 4 ft. .TUE...S winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...W winds 10 to 20 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...W winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...W of 70W, SW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, W winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...SW winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SW winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...S winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Bahamas N of 22N .THIS AFTERNOON...S winds less than 10 kt. Seas 2 ft or less. .TONIGHT...S winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...S winds less than 10 kt. Seas 3 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SUN...S winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .MON...S winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .TUE...SE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...S winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...S winds 10 kt. Seas 4 to 6 ft. .SAT...SW winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...S winds less than 10 kt. Seas 3 to 5 ft. .SUN...S winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .MON...S winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SAT...SE winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .SUN...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 kt. Seas 5 to 6 ft. .TONIGHT...SE winds less than 10 kt. Seas 5 to 6 ft. .SAT...SE winds 10 kt. Seas 5 to 6 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 4 to 6 ft. .SUN...SE winds 10 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 5 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 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft.