Forecasters said Beta was not expected to bring the same amount of rainfall that Texas experienced during either Hurricane Harvey in 2017 or Tropical Storm Imelda last year.

The Canadian Hurricane Centre says Teddy is currently a Category 3 system moving about 1,000 kilometres southeast of Bermuda.

The company says it will be opening its Emergency Operations Centre on Sunday to ensure crews can respond to any potential storm impacts.

The National Hurricane Center said Marco's sustained winds had decreased to 70 miles per hour (110 kph), though it still warned of life-threatening storm surges and dangerous along the U.S. Gulf Coast.

Storm Marco strengthened into a hurricane on Sunday afternoon as it continued to move towards the U.S Gulf coast, the U.S National Hurricane Center (NHC) said.

A storm might hit the U.S. as a hurricane after running across Mexico's Yucatan Peninsula.

Tropical Storm Genevieve remained offshore from Mexico's southern Baja California peninsula while sweeping the coast with strong winds and rain that carried the threat of dangerous flooding.

Josephine was located 760 miles (1,220 kilometres) east-southeast of the northern Leeward Islands, according to the 11 p.m. advisory from the U.S. National Hurricane Center in Miami. It was moving west-northwest with maximum sustained winds of 45 mph (72 kph).

Environment Canada says that as of 8 a.m., the storm was roughly 400 kilometres north-northeast of Montreal.

The tropical storm that has lashed parts of the eastern United States should be diminished in strength by the time it reaches eastern Canada.