Hurricane Erin, the first hurricane of the 2025 Atlantic hurricane season, has begun transitioning into a post-tropical storm, according to the National Hurricane Center (NHC). After days of high surf, rip currents, flooding, and emergency evacuations along the East Coast, Erin is now racing into the North Atlantic Ocean, gradually weakening but still massive in size.

STORY HIGHLIGHTS

• Hurricane Erin now a Category 1 storm with 90 mph winds.

• Transition to post-tropical expected Friday night.

• Outer Banks evacuation orders remain as Highway 12 stays closed.

• Rip currents and 20-foot waves batter East Coast beaches.

• 50 rescues in New Jersey, state of emergency declared.

• Surfers ignore warnings, ride rare hurricane swells.

• Three more tropical disturbances form in the Atlantic.

Erin’s Rapid Shift Away From U.S. Coast

According to the latest NHC advisory, Hurricane Erin is about 400 miles south of Halifax, Nova Scotia, and 460 miles north-northwest of Bermuda, moving east-northeast at 28 mph.

“On the forecast track, the center of Erin will pass south of Atlantic Canada today and tonight, and then race across the north Atlantic waters,” the NHC said in its Friday morning update.

No coastal watches or warnings remain, but the NHC warns that swimming conditions at many East Coast beaches will stay dangerous for several days. Coastal flooding could persist into Friday night, particularly in North Carolina’s Outer Banks.

From Category 2 to Post-Tropical: How Erin Changed

On Thursday afternoon, Erin was still a Category 2 hurricane, packing 100 mph winds and posing a severe threat to the Atlantic coastline.

By Friday morning, the storm had weakened to Category 1, with winds dropping to 90 mph, and entered the early stages of a post-tropical transition.

The Weather Channel explained: “A post-tropical storm is not a downgrade — the system changes structure, but it can still cause significant impacts.”

What Makes a Hurricane Different From a Post-Tropical Storm?

• Hurricane: Tropical cyclone with sustained winds of 74 mph or higher.

• Tropical Storm: Winds between 39 and 73 mph.

• Post-Tropical Storm: Storm that has cooled and lost its tropical structure but may still be dangerous.

States of Emergency and Coastal Flooding

On Thursday, New Jersey Governor Phil Murphy declared a state of emergency, warning residents:

“Absolutely no one should be in the water today or tomorrow due to life-threatening rip currents.”

Officials across Florida, North Carolina, Virginia, and New York issued beach closure orders. Yet, surfers ignored warnings, drawn by waves reaching 20 feet in Nantucket and massive swells along the East Coast.

Rescues and Highway Closures

The Margate City Fire Department in New Jersey reported 50 rescues late Thursday night:

• 16 people and three dogs were pulled from six stranded vehicles.

• 34 more people were rescued from two flooded restaurants.

Meanwhile, in the Outer Banks, evacuation orders remain for Hatteras and Ocracoke Islands. North Carolina’s Highway 12, the main road connecting the barrier islands, is still closed after being swamped by storm surge.

“The good news is Hurricane Erin is beginning to move away from us,” the North Carolina DOT said. “Crews will be out working to clear what they can.”

Massive Waves and Dangerous Rip Currents

Early Thursday, a buoy 150 miles east of Cape Hatteras recorded 40-foot average waves, some even higher. By mid-morning, wave heights dropped to 25 feet, but the National Weather Service warned that high surf advisories would remain through Saturday.

The NWS reminded beachgoers:

“If caught in a rip current, relax and float. Swim parallel to the shoreline. If unable to escape, face the shore and call for help.”

A Giant Among Hurricanes

Erin was unusually large, stretching 530 miles wide — far bigger than the typical 300-mile-wide Atlantic hurricane. Hurricane-force winds extended 105 miles from the center, while tropical-storm-force winds reached 320 miles.

What’s Next? More Storms Brewing

The NHC is now monitoring three more tropical disturbances behind Erin in the Atlantic. One system has a 70% chance of becoming a cyclone within seven days, raising concerns about another potential storm forming soon.

As Hurricane Erin weakens and transitions into a post-tropical storm, the immediate threat to the U.S. coastline is fading, but risks remain. Dangerous rip currents, high surf, and coastal flooding will continue for the next few days along parts of the East Coast. While the storm avoided catastrophic landfall, its massive size and impact on beaches, transportation routes, and coastal communities highlight the power of the Atlantic hurricane season. With three more disturbances forming in the ocean, forecasters warn that this is far from the end — vigilance and preparedness remain critical.

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