A missing person case out of Seaside involving a San Francisco man is now being considered suspicious.

“His disappearance is extremely unusual. He’s never done this before,” said Seaside Police Chief Nick Borges.

Thirty-four-year-old Dewayne Williams of San Francisco has been missing since early Monday morning, when he left and never returned.

“He’s healthy. He doesn’t suffer from any type of mental condition. There have been no reports of any substance abuse and no reports of him being suicidal,” Borges said.

Williams and his wife were in town last weekend to visit the Monterey Bay Aquarium. It was their first time in the area, and now the husband is missing. Williams was last seen wearing a white T-shirt, black jeans and orange Nikes. His wife spoke to KSBW by phone from San Francisco.

“If anyone has seen him, please just give me a call or let me know something. We just want to know if he’s OK. His mom, his uncles, his son — everyone is worried. We have a lot of people out looking for him, even in San Francisco,” said Patrice Williams, the missing man’s wife.

His wife told detectives her husband went to the beach early Monday morning while it was still dark, then returned around 3:30 a.m., saying he was going to a bus stop where he had left his jacket. Surveillance video shows him walking north on Fremont Boulevard near Playa Avenue, close to the Gateway Lodge, where the couple was staying. Police said Williams does not own a cellphone.

“If that’s all true, that makes this extremely suspicious that a grown adult wanders off in the middle of the night and does not return home or to his hotel. It’s concerning,” Borges said.

Anyone with information about the whereabouts of Dewayne Williams is asked to call 911 or Seaside police.

The San Francisco Giants continue their four-game series against the New York Mets tonight at Oracle Park.

Taking the mound for the Giants will be right-hander Tyler Mahle, who finished the 2025 season with a 2.18 ERA, 3.37 FIP, with 66 strikeouts to 29 walks in 86.2 innings pitched. His first start this season was in the Giants’ 3-1 loss to the New York Yankees on Saturday, in which he allowed two runs on five hits with five strikeouts and a walk in four innings.

He’ll be facing off against Mets right-hander Nolan McLean, who finished the 2025 season with a 2.06 ERA, 2.97 FIP, with 57 strikeouts to 16 walks in 48 innings pitched. His first start this season was in the Mets’ 4-3 loss to the Pittsburgh Pirates on Sunday, in which he allowed two runs on four hits with eight strikeouts and two walks in five innings.

Who: San Francisco Giants vs. New York Mets

Where: Oracle Park, San Francisco, California

Regional broadcast: NBC Sports Bay Area, KNTV

National broadcast: MLB Network

Radio: KNBR 680 AM/104.5 FM, KSFN 1510 AM

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