Dangerous rip currents are expected along the U.S. East Coast as Hurricane Erin grows in size this week, the National Hurricane Center said Tuesday.

The Tropical Storm Watch is extended northward along the U.S. Atlantic coast, and now stretches from Duck to Chincoteague. A Tropical Storm Warning is in effect south of Duck, to Beaufort Inlet, including the Pamlico and Albemarle Sounds.

The Bermuda Weather Service [BWS] has issued a Tropical Storm Watch, and noted that Hurricane Erin is “a potential threat to Bermuda” with its nearest forecasted point to the island being 320 nm to the north-west at 10pm on Thursday [August 21] with the BWS noting that “this forecast is subject to change with the next update.