U.S. Coast Guard launches Operation Taconite ice breaking duty to keep Michigan shipping open

Coast Guard’s Largest Ice-Breaking Mission Safeguards Michigan’s Winter Commerce and Maritime Safety
a bridge over water with ice and ice
Coast Guard Cutter Mackinaw moves under the Mackinac Bridge on its way to break ice for freighters shipping goods around the Great Lakes during the winter Feb. 4, 2007. Photo by Petty Officer 3rd Class William B. Mitchell.

Operation Taconite ensures safe passage for vessels, bolstering Michigan’s economy during harsh winter months.

Operation Taconite Begins Ice-Breaking on the Great Lakes

a boat on ice in the ocean
Coast Guard Cutter Katmai Bay breaks ice for freighters navigating through the St. Mary’s River in the Great Lakes. During winter, paths must be made in the ice for freighters to continue shipping goods. Photo by Petty Officer 3rd Class William B. Mitchell.

SAULT STE. MARIE, Mich. — The U.S. Coast Guard has launched Operation Taconite, a large-scale ice-breaking initiative designed to keep critical Great Lakes shipping routes open. The operation, which commenced at 8 a.m. today, is Michigan’s frontline defense against winter ice that threatens to halt commercial vessel traffic.


Fleet of Icebreakers Deployed to Key Areas

USCGC Mackinaw WLBB-30 upbound St Mary's River at Johnson's Point 03.10.23

Operation Taconite mobilizes multiple Coast Guard cutters across the region to tackle ice accumulation. The U.S. Coast Guard Cutter Mackinaw (WLBB 30) has been deployed to western Lake Superior, focusing on the bustling twin ports of Duluth, Minnesota, and Superior, Wisconsin. The Mobile Bay (WTGB 103) is tasked with Green Bay, while the Katmai Bay (WTGB 101) and Neah Bay (WTGB 105) will manage ice-breaking operations on the St. Marys River and the Straits of Mackinac.

Additional cutters may join the mission as ice coverage expands across Michigan waterways.

Scope of Operation Taconite

 cutter Neah Bay
In this photo released by the U.S. Coast Guard, the cutter Neah Bay breaks Great lakes ice approximately 50 miles east of Grosse Isle, Mich., on Jan. 21

Operation Taconite is the largest domestic ice-breaking mission in the United States. It covers Lake Superior, Lake Michigan, the St. Marys River, the Straits of Mackinac, and Georgian Bay. The operation prioritizes maintaining clear passages for commercial vessels that are vital to the regional and national economies.

The operation also includes contingency plans for potential waterway closures, balancing the needs of commercial shipping, environmental protection, and local communities. Safety considerations are central, especially for island residents relying on naturally formed ice bridges for transportation.

Safety Protocols for Vessels and Ice Users

Commercial vessels must adhere to strict safety protocols during the operation. These measures include limiting tanker transits to daylight hours in icy conditions, reducing speeds by two miles per hour in specified areas, and providing enhanced voice and position reporting to ensure safe navigation.

The Coast Guard also advises recreational ice users to plan activities carefully, exercise caution, and avoid ice-breaking areas to minimize risks.

Economic Importance of Ice-Breaking Operations

The Great Lakes are a vital artery for commerce, transporting goods such as iron ore, coal, and agricultural products. Operation Taconite plays a critical role in ensuring uninterrupted trade during Michigan’s harsh winters. Without these efforts, ice-bound shipping lanes could delay deliveries, impacting industries nationwide.

“This mission is not just about breaking ice; it’s about keeping commerce moving and protecting livelihoods,” said a Coast Guard representative.

Community and Environmental Focus

Operation Taconite also emphasizes the importance of preserving the marine environment and addressing community needs. The Coast Guard works closely with local authorities to ensure that its ice-breaking activities balance economic priorities with ecological and social responsibilities.

Island communities, in particular, benefit from the operation’s careful planning, as naturally formed ice bridges are critical for residents traveling to and from the mainland.


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Michael Hardy

Michael is the owner of Thumbwind Publications LLC. It started in 2009 as a fun-loving site covering Michigan's Upper Thumb. Since then, he has expanded sites and range of content and established a loyal base of 60,000 visitors per month.

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