There was cheering, celebration and emotional reunions along the northern border on Monday as the U.S. reopened its land and sea crossings to Canadian leisure travelers for the first time in 19 months. The international ferry between Port Angeles and Victoria began sailing again with all of its initial southbound trips sold out. Some border restrictions remain that could temper the rebound in tourism.

As the M/V Coho ferry docked at midday in Port Angeles, a crowd of townspeople and local business owners gathered at the Black Ball ferry dock to wave American and maple leaf flags and hold up...