King tides flood US coasts.

King tides inundate streets and flood homes and businesses along both U.S. coasts By Jane Smith, BBC News London, 28 October 2026 – In an unprecedented wave of flooding, so‑called “king tides” have swamped streets, businesses and homes along the United States’ Atlantic and Pacific coastlines, a stark reminder of how climate change is reshaping the planet’s weather patterns. The most severe surges, recorded by the National Oceanic and Atmospheric Administration (NOAA), pushed seawater far inland, leaving many coastal communities scrambling for emergency relief..

King tides are the highest tides that can naturally occur in a given location, typically occurring a few times a year when the moon and sun are perfectly aligned. However, the recent events were amplified by a combination of a strong solar storm, which increased atmospheric pressure, and a rapid sea‑level rise of 3 mm over the past decade. NOAA’s latest satellite data show that the combined effect was a 12‑centimetre surge above the 2025 tidal baseline..

The first wave struck the New York metropolitan area on Thursday evening, flooding low‑lying streets in Brooklyn and Queens. Residents reported that the water had risen to the tops of their front doors, a scenario once considered unlikely. Emergency services were mobilised to remove debris and provide temporary shelters for those who had no place to go..

In Miami, the floodwaters breached the perimeter of the city’s historic Seagrove district. The area, known for its pastel‑coloured homes, saw entire blocks submerged. Local officials declared a state of emergency and urged residents to evacuate to higher ground..

Coast Guard, in conjunction with the National Guard, dispatched boats to rescue stranded families and secure key infrastructure. The Pacific coast was no less hard‑hit. In San Francisco, the city’s famed cable car system was shut down as water levels rose to the tracks in the Mission District..

The Bay Area’s transportation department issued a temporary suspension of the cable cars and called for commuters to use alternative routes. A 19‑year‑old student from the University of California, San Diego, described the scene in a tweet: “The water was 20 centimetres high. We all had to move our belongings to the second floor.” Across the West, California’s Long Beach and Los Angeles were hit by a sudden, unexpected surge..

The surge pushed seawater over the Los Angeles River, flooding parts of the Venice Boardwalk. Tourists, who had arrived to enjoy the sunny weekend, were stranded on the sand, while the local police deployed sandbags and temporary barriers. The surge also caused significant damage to the historic pier, prompting the city council to call for a review of the pier’s structural integrity..

In the Gulf of Mexico, Houston’s energy corridor was severely disrupted. Several refineries in the Greater Houston area were forced to shut down production, as water infiltrated safety barriers. The oil companies cited the king tide surge as a “major safety risk” and announced that they would not resume operations until the area was deemed secure..

The shutdown has raised concerns about the vulnerability of critical infrastructure to climate‑related events. The National Hurricane Center warned that these king tide surges are expected to become more common in the coming years. “We are witnessing an acceleration in the frequency of extreme tidal events,” said Dr..

Emily Huang, a climate scientist with NOAA. “Our models indicate that without significant mitigation, similar or even more severe surges will be a regular occurrence on both coasts.” She added that the tide surges could compound with other climate threats such as storms and heavy rainfall, creating a “perfect storm” scenario for coastal communities. Governments across the United States have begun to respond..

President Joe Biden announced a federal grant programme aimed at bolstering coastal defenses, including sea‑walls, green infrastructure, and emergency preparedness plans. The Treasury Department’s Office of Disaster Resilience will oversee the distribution of funds, with a focus on vulnerable, low‑income communities that were hardest hit during the king tides. “This is a wake‑up call,” said President Biden during a press briefing..

“We must act now to protect our citizens and our economy.” Local officials have also taken action. In New Orleans, Mayor LaToya Cantrell unveiled an ambitious plan to restore wetlands and elevate key buildings. “Our wetlands are our first line of defence,” she said..

“They act as a sponge, absorbing excess water and reducing flood risk.” The mayor’s plan includes a partnership with the United States Forest Service to expand wetlands along the Mississippi River, a project that could provide both ecological benefits and flood protection. In Washington State, Governor Jay Inslee announced a new initiative to retrofit coastal infrastructure with advanced flood‑proofing technologies. The project, funded by the federal government, will focus on key transportation hubs and residential areas that have experienced flooding in the past year..

Inslee said that the state would also invest in community resilience training, ensuring that residents are prepared to respond quickly and effectively during future tidal surges. The impact on businesses has been profound. In Charleston, South Carolina, a popular seafood market was forced to shut down permanently after the floodwaters caused extensive damage..

The owner, Marcus Johnson, said the cost of repairs was prohibitive, and he was forced to sell the property. “We’re all losing jobs,” he said. The local Chamber of Commerce has called for a state‑wide insurance scheme that would cover businesses against king‑tide damage, a measure that would help small businesses recover faster..

Small Business Administration has announced a temporary loan programme, offering low‑interest loans to businesses that have suffered from king‑tide damage. “We recognize the importance.