In South Florida, king tides could become more of a nuisance flooding, according to a report released this week. A federal analysis that includes a forecast to 2050 may be more menace if it is contributing to an incremental rot of waterfront construction. While it could take months to determine what caused the Champlain Towers South condominium to collapse on June 24, scientists and engineers are considering the effects of sea level rise, its invisible press underground that soaks foundations in a saltwater marinade, and the more conspicuous pulses such as increasingly frequent tidal flooding.