{"id":403696,"date":"2026-07-18T18:45:02","date_gmt":"2026-07-18T18:45:02","guid":{"rendered":"https:\/\/www.newsbeep.com\/us-ca\/403696\/"},"modified":"2026-07-18T18:45:02","modified_gmt":"2026-07-18T18:45:02","slug":"operator-of-boat-that-capsized-near-alcatraz-mourns-brother-as-search-continues-the-mercury-news","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us-ca\/403696\/","title":{"rendered":"Operator of boat that capsized near Alcatraz mourns brother as search continues \u2013 The Mercury News"},"content":{"rendered":"

The owner and operator of the boat that capsized earlier<\/a> this week near Alcatraz Island said Thursday that his brother was killed and his sister, sister-in-law and a family friend remained missing after what began as a family trip to spread a relative\u2019s ashes.<\/p>\n

\u201cIt\u2019s been horrible,\u201d John Boisa said in a brief interview.<\/p>\n

RELATED:\u00a0Tips: What to do if your boat capsizes<\/a><\/p>\n

His comments came as San Francisco police used sonar to search for the 49-foot Volare and recovered a body floating west of Treasure Island. Authorities had not identified the person as of early Thursday evening.<\/p>\n

Police were alerted to the body shortly after 1 p.m. by a passing vessel. The agency said it was using \u201cmultiple boat-mounted sonar platforms\u201d to search for the Volare, which sank in water roughly 130 feet deep between Alcatraz Island and San Francisco.<\/p>\n

The search has been complicated by \u201cstrong tidal currents along with wind and weather challenges,\u201d police said in a statement.<\/p>\n

Twenty people were aboard the boat when a wave struck it shortly after 3:30 p.m. Tuesday, causing the vessel to list before rolling over and sending everyone into the water.<\/p>\n

Clifford Boisa, the operator\u2019s brother, was pulled from the water and later declared dead despite receiving CPR. Sixteen others were rescued by a flotilla of first responders and nearby boaters.<\/p>\n

Still missing Thursday were Clifford Boisa\u2019s wife, Jackie Boisa; John Boisa\u2019s sister, Carol Boisa; and a family friend whom he identified only as \u201cTonda.\u201d<\/p>\n

In a text message to this news organization, John Boisa recalled Jackie Boisa as possessing \u201ca rare combination of easy acceptance of others with a kind of elegant sophistication.\u201d<\/p>\n

\u201cShe was simply a Lady and conducted herself in accordance with the highest meaning of that term,\u201d he wrote.<\/p>\n

He remembered his sister as bringing \u201cher own special flavor to family gatherings and the earthy, natural joy she brought was ineffable.\u201d<\/p>\n

\u201cI was especially pleased to see her enjoy our boating in recent years, and her smiles in photographs were genuine and without affectation,\u201d he added. \u201cI wanted for her and her children happiness and ease, and now, peace.\u201d<\/p>\n

Boisa, a Stockton-based consultant, said he had known Tonda only a short time but recalled her as \u201ca generous, welcoming and gracious person.\u201d<\/p>\n

\u201cI wish I knew her better, and I pray for peace and healing for her family,\u201d he wrote.<\/p>\n

Boisa described himself as the \u201cvessel operator\u201d and said Tuesday\u2019s outing was \u201ca family gathering\u201d that included spreading the ashes of a relative who had died \u201ca long time ago.\u201d<\/p>\n

Two days after the disaster, more details emerged about the boat, its weeklong stay in San Francisco and its final hours on the water.<\/p>\n

The Volare, a 1981 Marine Trader Pilot built in Taiwan with a fiberglass hull, was based at Village West Marina & Resort in Stockton, according to Tamara Barak Aparton of the San Francisco Recreation and Parks Department.<\/p>\n

\"AA police boat passes Alcatraz Island as search and rescue operations continue for victims of a Tuesday boat sinking on Wednesday, July 15, 2026, in San Francisco. (AP Photo\/Noah Berger)\u00a0<\/p>\n

John Boisa received a guest permit to berth the boat at the city\u2019s Marina Yacht Harbor from July 11 through Thursday, Aparton said. He had previously stayed at the harbor, though details about those visits were not available Thursday.<\/p>\n

The vessel left the harbor around 10:15 a.m. Tuesday and traveled beneath the Golden Gate Bridge into the Pacific Ocean, according to the tracking website VesselFinder. It turned around about an hour later off Lands End and the Sutro Baths before returning to the bay at a slower speed.<\/p>\n

The boat appeared to stop at Ayala Cove on the northwest side of Angel Island, leaving shortly after 3 p.m. and heading back toward the harbor, tracking data showed.<\/p>\n

The Coast Guard\u2019s search for survivors covered 950 square nautical miles before ending Wednesday evening. As police continued the recovery effort Thursday, maritime experts said they expected a lengthy investigation into how a vessel such as the Volare could capsize.<\/p>\n

\"A<\/p>\n

A US Coast Guard vessel maneuvers past Alcatraz Island while assisting a boat that got stuck on the island’s underwater rocks on Wednesday, July 15, 2026, in San Francisco. (AP Photo\/Noah Berger)<\/p>\n

\"A<\/p>\n

A police boat passes Alcatraz Island as search and rescue operations continue for victims of a Tuesday boat sinking on Wednesday, July 15, 2026, in San Francisco. (AP Photo\/Noah Berger)<\/p>\n

\"A<\/p>\n

A US Coast Guard vessel navigates the San Francisco Bay while assisting a boat that got stuck on Alcatraz Island’s underwater rocks on Wednesday, July 15, 2026, in San Francisco. (AP Photo\/Noah Berger)<\/p>\n

\"First<\/p>\n

First responders search for missing victims after a boat accident near Alcatraz Island off San Francisco, Tuesday, July 14, 2026. (AP Photo\/Noah Berger)<\/p>\n

\"U.S.<\/p>\n

U.S. Coast Guard Capt. Jarod Toczko speaks to the media during a press conference at Fort Mason in San Francisco, Calif., on Wednesday, July 15, 2026. To the left is San Francisco Mayor Daniel Lurie. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"A<\/p>\n

A San Francosco Fire Department boat continues to search for three missing individuals after a pontoon boat capsized on July 14, 2026 in San Francisco, California. 16 people were rescued while three remain missing. One death has been reported. (Photo by Heather Diehl\/Getty Images)<\/p>\n

\"The<\/p>\n

The Oakland Police Department Maritime Unit participates in a search and rescue effort after a boat capsized roughly 600 yards off Alcatraz Island on Tuesday, July 14, 2026. (Oakland Police Department)<\/p>\n

\"A<\/p>\n

A view of Alcatraz Island from San Francisco, Calif., on Wednesday, July 15, 2026. One person died and three are missing after a boat capsized near the island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"U.S.<\/p>\n

U.S. Coast Guard Capt. Jarod Toczko takes questions from the media during a press conference at Fort Mason in San Francisco, Calif., on Wednesday, July 15, 2026. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"U.S.<\/p>\n

U.S. Coast Guard Capt. Jarod Toczko speaks to the media during a press conference at Fort Mason in San Francisco, Calif., on Wednesday, July 15, 2026. To the left is San Francisco Mayor Daniel Lurie. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"San<\/p>\n

San Francisco Mayor Daniel Lurie speaks to the media during a press conference at Fort Mason in San Francisco, Calif., on Wednesday, July 15, 2026. To the left is U.S. Coast Guard Capt. Jarod Toczko. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"U.S.<\/p>\n

U.S. Coast Guard Capt. Jarod Toczko speaks to the media during a press conference at Fort Mason in San Francisco, Calif., on Wednesday, July 15, 2026. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"U.S.<\/p>\n

U.S. Coast Guard Capt. Jarod Toczko speaks to the media during a press conference at Fort Mason in San Francisco, Calif., on Wednesday, July 15, 2026. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"A<\/p>\n

A Red and White Fleet tour boat heads towards Alcatraz Island in San Francisco, Calif., on Wednesday, July 15, 2026. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"A<\/p>\n

A whale-watching boat heads out to sea in San Francisco, Calif., on Wednesday, July 15, 2026. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"A<\/p>\n

A Blue and Gold Fleet tour boat heads out to sea past Alcatraz Island in San Francisco, Calif., on Wednesday, July 15, 2026. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"A<\/p>\n

A San Francisco Fire Department vessel passes the city skyline while searching for missing victims after a boat accident near Alcatraz Island off San Francisco, Tuesday, July 14, 2026. (AP Photo\/Noah Berger)\n<\/p>\n

\"A<\/p>\n

A helicopter flies past the Golden Gate Bridge while searching for missing victims after a boat accident near Alcatraz Island off San Francisco, Tuesday, July 14, 2026. (AP Photo\/Noah Berger)\n<\/p>\n

\"Search<\/p>\n

Search and rescue vessels look for missing victims after a boat accident near Alcatraz Island off San Francisco, Tuesday, July 14, 2026. (AP Photo\/Noah Berger)<\/p>\n

\"First<\/p>\n

First responders prepare to move a body after a boat accident near Alcatraz Island off San Francisco, Tuesday, July 14, 2026. (AP Photo\/Noah Berger)<\/p>\n

\"A<\/p>\n

A U.S. Coast Guard crew goes past Alcatraz Island near the site of a pontoon boat accident on Tuesday, July 14, 2026, in San Francisco. (AP Photo\/Noah Berger)<\/p>\n

\"A<\/p>\n

A Coast Guard rigid-hull inflatable boat, right, passes a whale-watching boat heading out to sea in San Francisco, Calif., on Wednesday, July 15, 2026. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

\"A<\/p>\n

A whale-watching boat heads out to sea in San Francisco, Calif., on Wednesday, July 15, 2026. One person died and three are missing after a boat capsized near Alcatraz Island yesterday while on the water for a memorial service. (Jane Tyska\/Bay Area News Group)<\/p>\n

Show Caption<\/p>\n

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A US Coast Guard vessel maneuvers past Alcatraz Island while assisting a boat that got stuck on the island’s underwater rocks on Wednesday, July 15, 2026, in San Francisco. (AP Photo\/Noah Berger)<\/p>\n

Expand<\/a><\/p>\n

The Volare \u2014 a monohull recreation craft complete with two walled-off cabin levels and a deck top \u2014 was intended to handle waters such as San Francisco Bay, said Eric C. Jones, a retired Coast Guard rear admiral and superintendent of the Cal Poly Maritime Academy in Vallejo. Still, he said it was \u201cunusual\u201d for such a vessel to flip over in the bay.<\/p>\n

Investigators are likely to examine whether the boat was properly maintained and operating correctly, and whether it could safely carry 20 people, Jones said. They also are expected to scrutinize the weather and water conditions that day and how the boat was operated in that environment.<\/p>\n

The area where the Volare sank can be among the most challenging to navigate in the bay because of its distinctive winds and currents, said John Arndt, who has sailed the bay for more than 40 years and spent the past decade as publisher of the Northern California sailing magazine Latitude 38.<\/p>\n

Arndt called the area \u201cthe playground of sailing\u201d and compared portions of the bay to a ski hill, with some areas better suited to beginner and intermediate boaters. The area where the Volare sank could be compared to a black diamond ski run, he said: a more \u201cchallenging\u201d section but one that is navigable for people experienced with those waters and conditions.<\/p>\n

July and August are generally the windiest months on the bay, a result of hot air rising over the Central Valley and pulling cooler air from the Pacific Ocean through the bay\u2019s narrow entrance. While winds can remain manageable in some areas, the central channel between Angel Island and San Francisco can experience strong sustained winds and gusts.<\/p>\n

The water can become particularly choppy when westerly winds collide with an outgoing tide. Water flowing from the Sacramento and San Joaquin river valleys toward the Pacific further complicates the currents in that area.<\/p>\n

Arndt called a disaster of this magnitude involving this type of boat \u201cexceptionally rare.\u201d He said Tuesday\u2019s conditions were not outside the normal range for summer boating on the bay.<\/p>\n

\u201cWhen people analyze accidents and disasters, it\u2019s not one thing \u2014 it\u2019s sort of these things that tend to be a spiral of events,\u201d Arndt said.<\/p>\n

\"AA California Highway Patrol helicopter flies along the Sausalito, Calif. shoreline as search and rescue operations continue for victims of a Tuesday boat sinking on Wednesday, July 15, 2026. (AP Photo\/Noah Berger)\u00a0<\/p>\n

Jakob Rodgers is a senior breaking news reporter. Call, text or send him an encrypted message via Signal at 510-390-2351, or email him at jrodgers@bayareanewsgroup.com.<\/p>\n","protected":false},"excerpt":{"rendered":"The owner and operator of the boat that capsized earlier this week near Alcatraz Island said Thursday that…\n","protected":false},"author":2,"featured_media":403697,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[4846,389,184,861,7,8,1531,138,11330,332,181,100,395,36365,2944,385,101,396,103,102,104,106,105,94685],"class_list":["post-403696","post","type-post","status-publish","format-standard","has-post-thumbnail","category-san-francisco","tag-accidents","tag-alameda-county","tag-bay-area","tag-bay-area-crime","tag-california","tag-california-news","tag-crashes-and-disasters","tag-crime-and-public-safety","tag-disaster","tag-east-bay","tag-latest-headlines","tag-news","tag-peninsula","tag-peninsula-crime","tag-photos-and-videos","tag-regional","tag-san-francisco","tag-san-francisco-county","tag-san-francisco-headlines","tag-san-francisco-news","tag-sf","tag-sf-headlines","tag-sf-news","tag-social-alert"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/403696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/comments?post=403696"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/posts\/403696\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media\/403697"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/media?parent=403696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/categories?post=403696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us-ca\/wp-json\/wp\/v2\/tags?post=403696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}