A recreational boat carrying 20 people capsized in San Francisco Bay on Tuesday afternoon, killing at least one person and leaving three others unaccounted for after the U.S. Coast Guard suspended its search at sunset Wednesday. The vessel went over after a wave struck the hull, causing it to roll onto its side and take on water rapidly, according to statements from Coast Guard officials. Sixteen survivors were pulled from the Bay.

The dead man was identified as Clifford Joseph Boisa, 79, of Sutter County, northeast of Sacramento. He was recovered from the water and brought to shore in distress; he did not survive. The three still missing are presumed dead. The Coast Guard's decision to end the active search — a procedural call based on survival probability calculations, water temperature, and elapsed time — effectively closes the rescue phase of the operation.

What makes this wreck something other than a routine Bay tragedy is the context: the people aboard were out to scatter the ashes of a family member. It was a memorial. They came to the water to mark the end of a life and lost more lives in the process. That detail matters not as sentiment but as fact — it explains who was on the boat, why they were there, and why the passenger manifest skewed toward older adults and extended family rather than experienced mariners.

San Francisco Bay is not a forgiving body of water. It looks placid from the Embarcadero and photogenic from the hills, but it runs cold year-round — water temperatures in the mid-50s Fahrenheit — and its currents and swells are generated by a complex interaction of tidal flow, ocean surge through the Golden Gate, and wind fetch across open water. A rogue wave capable of rolling a small recreational vessel is not an anomaly out there; it is a known hazard. The question authorities have not yet answered publicly is what size and class of vessel this was, whether it was rated for the number of passengers aboard, and what the sea state was at the time of departure.

The San Francisco Fire Department and Coast Guard both responded to the scene. Rescue swimmers entered the water, and multiple vessels worked the area. That 16 of 20 people survived is, given the circumstances — cold water, a capsized hull, the swift current near Alcatraz Island — a function of fast response. That four did not survive, or cannot be found, is a function of how quickly the Bay takes people it gets hold of.

The Coast Guard's suspension of the search is worth sitting with. The agency uses established protocols — drift modeling, water temperature survivability curves, time elapsed — to make the call. It is not arbitrary. But for a family that went out to honor someone already gone, being told that the search for three more of their people has been called off is a particular kind of compounded grief that no protocol language adequately describes.

No federal investigation into the vessel's seaworthiness or operator certification has been publicly announced as of this writing, though Coast Guard Marine Safety protocols require an inquiry into any sinking involving fatalities. Whether the boat was overcrowded, whether a proper float plan was filed, whether the operator had verified conditions before departure — these are the questions a formal investigation will eventually have to answer, and the public has a legitimate interest in those answers. Recreational boating deaths on the Bay are not unheard of, but a single incident claiming four lives from one party demands more than a weather explanation.

Alcatraz sits roughly 1.25 miles offshore from Fisherman's Wharf. The waters around it are some of the most trafficked in the Bay and also some of the most treacherous. The island is famous for being inescapable — the cold, the current, and the distance are what made it a federal prison. On Tuesday, those same forces made it a graveyard for people who only came to say goodbye.