CHARLESTON, S.C. – A strong coastal low is forecast to develop off the Carolinas late this week, bringing 45+ mph wind gusts, heavy rain, high surf, and potential coastal flooding to much of the U.S. East Coast through the weekend and into early next week. The National Weather Service and NOAA Weather Prediction Center warn that this system could produce significant impacts from the Carolinas to southern New England.
According to NOAA’s Key Messages for Strong Coastal Low, the system will intensify offshore Friday and Saturday, producing widespread gusty winds, heavy rainfall, and coastal hazards. Persistent onshore northeast winds and high astronomical tides may cause flooding of vulnerable coastal areas, while high surf and beach erosion are expected along the Southeast and Mid-Atlantic coasts.
Forecast Highlights:
- Timing: Strengthening low late Thursday night through Sunday.
- Winds: Gusts 45–55 mph near the coast; strongest along the Outer Banks, Carolina coast, and Delmarva.
- Rainfall: Several inches of heavy rain likely, with isolated flooding in low-lying areas.
- Marine Hazards: Dangerous seas (10–16 ft offshore), strong rip currents, and coastal erosion.
Residents and mariners are urged to monitor local National Weather Service updates and avoid coastal travel or boating during peak conditions. Secure outdoor items, prepare for possible power outages, and follow evacuation or flood guidance from local officials if needed.