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To keep whales safe, Coast Guard launches boat alert system in Seattle

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The U.S. Coast Guard is embarking on one of its most unique missions yet in Puget Sound: a pilot program to alert vessels of whale sightings
Photographer Matt McDonald had lived on Puget Sound for years, but had never seen a whale, so he was elated when he spotted a giant marine mammal just off Seattle’s waterfront one evening.
The excitement was short-lived. As McDonald tracked the whale in his camera’s viewfinder, a state ferry that dwarfed the animal came into the frame. The next morning he saw on the news that the humpback whale had died in the collision he witnessed.
“I still remember the moment of when they crossed paths and my heart just sinking like, ‘Oh my God, the ferry just ran over the whale,’” he recalled of the 2019 encounter. “I wish there was something I could have done.”
Now, five years later, there is.
The U.S. Coast Guard has launched a pilot program to alert ships of whale sightings in Washington state’s Salish Sea. The goal of the agency’s “ cetacean desk ” is to keep the marine mammals safe from boat strikes and reduce noise in the highly transited inland seawaters.
The program, which began official operations in December, comes at a time when visits by humpback whales and sea mammal-hunting orcas increase as their populations rebound.
Fed by the Pacific Ocean, the Salish Sea is a maze of islands and canals that make up the inland waters between Washington state and British Columbia, including Puget Sound. Two groups of orcas — one that preys on salmon and the other on sea mammals — as well as baleen whales have cruised these waters since time immemorial and are now often visible from Seattle’s shoreline.
But these waters are now also home to major American and Canadian ports, and nearly 300,000 vessels crisscrossed the area in 2023, from commercial container ships to cruise ships to ferries, according to the Coast Guard. That doesn’t include private crafts.
The new whale desk reduces the risk of collisions by combining sightings by mariners and civilians on whale-watching apps and data from underwater listening devices into an integrated system that will send out alerts to commercial vessels and regional ferries through a mobile app.

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