Summary (tl;dr)

U.S. Customs and Border Protection (CBP) has issued a travel warning for the upcoming Memorial Day weekend, anticipating record travel volumes and significant delays at land border crossings, particularly those connecting Michigan and Canada. Travelers are advised to prepare thoroughly to minimize wait times and avoid complications.

Essential Background

Memorial Day weekend traditionally marks the unofficial start of summer in the United States and is one of the busiest travel periods of the year, with millions of Americans traveling across the country and internationally. During such peak times, U.S. Customs and Border Protection often issues advisories to help manage traffic flow and ensure smooth processing at ports of entry, given the increased volume of people and vehicles. These warnings aim to inform the public about potential delays and necessary preparations for border crossings.

The Full Story

U.S. Customs and Border Protection (CBP) has issued a warning for travelers planning cross-border trips this Memorial Day weekend, which falls on May 25, 2026. The agency expects significant delays at several U.S.-Canada land border crossings in Michigan, specifically at Detroit, Port Huron, and Sault Ste. Marie. This warning comes as a record number of approximately 45 million Americans are projected to travel more than 50 miles from home during the holiday period.

To mitigate delays, CBP advises travelers to have all necessary travel documents readily available, truthfully declare all items including alcoholic and agricultural products, and report any monetary instruments exceeding $10,000. Additionally, CBP reminds the public that despite varying state or municipal laws, marijuana remains illegal under U.S. federal law, and its possession or attempted entry will result in penalties. Non-U.S. travelers are encouraged to apply for their I-94 online or via the CBP One mobile app before arrival, and those under the Visa Waiver Program must obtain an approved Electronic System for Travel Authorization (ESTA) to expedite entry.

Why It Matters

This CBP travel warning is crucial for millions of individuals planning to cross the U.S.-Canada border, as being unprepared could lead to prolonged wait times, fines, or even denied entry. With an anticipated record-breaking number of travelers, adherence to CBP's guidelines is essential to ensure a smoother and more efficient border crossing experience. Travelers who fail to comply with regulations, such as not declaring items or attempting to cross with federally prohibited substances like marijuana, risk legal repercussions. The advisories highlight the importance of planning ahead and utilizing available resources like CBP's website for real-time border wait updates to minimize travel disruptions during the busy holiday weekend.

Geographic Location

• Detroit, Wayne County, Michigan, United States (expected travel delays at land border crossings)
• Port Huron, St. Clair County, Michigan, United States (expected travel delays at land border crossings)
• Sault Ste. Marie, Chippewa County, Michigan, United States (expected travel delays at land border crossings)