They were left clinging to a bridge abutment in the mouth of the Niagara River close to the Erie Canal.
U.S. Border patrol agents had to rescue two kayakers on Tuesday.
Officials say they were overwhelmed by the swift water.
The border agents were able to maneuver their vessel nearby and pull the kayakers aboard.
Border patrol agent Jeffery Wilson says there are many locations where the water can be treacherous and deadly.

Province Investing Against Invasive Species
Niagara Driver Charged with Drug Impairment
Welland Man Arrested for Child Porn
28 More Doctors Hired in Niagara
Killed Police Officers Honoured by NRP
Niagara Wineries Shuttle Service Possible
Canal Days Vendors Warned of Scams
Niagara Falls Exploring Hub to Help Homeless