Zachary Porter, 20, of Lake Bluff, died on Sunday after he became stuck in mud flats near Hope, Alaska, authorities said. | Family Photo

A 20-year-old man from Lake Bluff died after he became stuck in mud flats and the tide came in, submerging and drowning him in water, in Alaska on Sunday.

The Alaska State Troopers were notified around 5:52 p.m. Sunday about the incident.

Zachary Porter, 20, of Lake Bluff, was stuck in tidal mud flats near Hope, Alaska, according to the Alaska Department of Public Safety.

The Hope Sunrise Fire Department and Girdwood Fire Department along with troopers responded to the scene.

Rescue efforts were unsuccessful and Porter died approximately 50 minutes later.

The Department of Safety said the incoming tide submerged Porter.

Rescue teams recovered Porter’s body at approximately 6 a.m. Monday and notified his family.

Anchorage Daily News reported that Porter was walking with a group of friends on the Turnagain Arm mud flats when he became stuck.

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One of the friends called 911 immediately.

Porter was 50-100 feet from shore and waist-deep in the mud by the time fire crews arrived, the news outlet reported.

Susan Rider, Porter’s mother, told WGN News that the family’s grief “is unspeakable,” adding, “The world lost an incredible human being on Sunday.”

Porter attended Washington University in St. Louis where he was in his sophomore year studying economics and computer science.