As the storm was approaching Canada, some oil rigs offshore of Newfoundland were evacuated and a science expedition off Grand Banks was discontinued. Onshore, Debby produced light rainfall in the southeastern portions of Newfoundland, with precipitation peaking at approximately .
As the hurricane approached Canada, offshore oil platforms near Newfoundland were evacuated, and a scientific expedition to the Grand Banks was halted. Onshore, Debby produced light precipitation in the southeastern region of Newfoundland, with the maximum amount falling at approximately .