WATCH: Millions of people on alert for powerful Nor'easter along East Coast

Millions of people are currently on alert as a powerful Nor'easter barrels toward the East Coast this weekend. Coastal areas are already experiencing the storm's impact, with waves pounding beaches in several regions. The weather system threatens the East Coast with significant wind and rain. Rob Marciano provides the forecast as the storm continues to approach, leaving many residents in the path of the system prepared for the incoming severe weather conditions across the coastline.