New Delhi, Sept. 26 -- A powerful early-season nor'easter was battering the US Northeast on Saturday, bringing heavy rain, strong winds, major coastal flooding and widespread power outages as tens of millions of people remained in the storm's path.

The National Weather Service warned of significant coastal flooding across the Mid-Atlantic, with New Jersey and Delaware among the areas facing the greatest risk. The Weather Channel reported that the storm's peak impacts were being felt from the Mid-Atlantic to New England, with coastal flooding expected to continue through the weekend.

In coastal New Jersey, the effects were already visible. Streets in Surf City were flooded and water had entered some homes, while roads in nearby Manasquan...