News BMKG Warns of High Waves in North Sumatra Until April 22 by Daniel Perez - News Editor April 19, 2026 by Daniel Perez - News Editor April 19, 2026 BMKG Warns of High Waves in North Sumatra Waters Until April 22 The Meteorology, Climatology, and Geophysics Agency (BMKG) has issued a warning for high waves in the waters off … 0 FacebookTwitterPinterestEmail