A potent tropical storm roared ashore along the US Gulf Coast on Tuesday, bringing a fast-escalating threat of flooding, damaging winds and hazardous travel.

Tropical Storm Edouard made landfall near Johnson Bayou, Louisiana, shortly after 3pm ET, just east of the Texas border. A wind gust of 71mph was recorded nearby at Texas Point as the storm pushed inland.

Although Edouard packed considerable strength, its wind field was among the smallest ever documented for an Atlantic tropical system, helping limit the overall reach of its damage. Still, millions across the region are facing a dangerous stretch marked by flooded roads, disrupted travel, power outages and the risk of tornadoes.

Forecasters warned that storm surge could raise water levels as much as eight feet in the most vulnerable coastal areas near Port Arthur, Texas, and along the Louisiana border.

At the same time, training bands of thunderstorms may drop up to 20 inches of rain in isolated spots by Wednesday, threatening to overwhelm drainage systems and leave some low-lying communities cut off.

A tropical storm warning stretches from Port Bolivar, Texas to the Vermilion-Cameron Parish line in Louisiana, while a storm surge warning covers the coast from High Island to Cameron.

The bulk of the heaviest rain and strongest gusts is forecast to pass east of the Houston metro, although the city and its surrounding communities could still experience downpours and dangerous travel.

The National Hurricane Center (NHC) noted that Edouard should weaken as it moves farther inland, but its flooding and tornado threat could persist for hours after landfall.

A surge of three to six feet is forecast across much of that area, while AccuWeather warned that water could reach a Local StormMax of eight feet in isolated locations.

Farther east along the Louisiana coast, forecasters expect a lower, but still potentially dangerous, surge of one to three feet.

Storm surge occurs when powerful winds push seawater inland, raising water levels along the coast and flooding roads, homes and businesses. 

The threat becomes particularly dangerous around bays, rivers and other waterways where rising water can move well beyond the immediate shoreline.

Edouard’s heavy rain could prove even more disruptive because the storm is moving slowly, allowing bands of thunderstorms to pass repeatedly over the same communities.

A broad area of one to two inches of rain is forecast along the Louisiana coast and into eastern Texas through Wednesday. 

However, totals of two to eight inches are expected across the upper Texas coast, with a smaller corridor east of Houston potentially receiving eight to 12 inches.

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AccuWeather said the highest isolated total could reach 20 inches where thunderstorms repeatedly track over the same location.

Even areas receiving far less rain could experience street flooding because intense downpours can overwhelm storm drains within minutes. 

Water may rapidly collect on roads and in underpasses, creating dangerous conditions for motorists and potentially disrupting Tuesday’s evening commute.

Drivers could encounter sharply reduced visibility, stranded vehicles and roads that appear passable before suddenly becoming submerged.

Gusty winds are also capable of bringing down tree limbs and causing sporadic power outages, although damaging winds are not expected to be as widespread as they would be during a major hurricane.

Forecasters are additionally warning of waterspouts and isolated tornadoes, particularly within Edouard’s eastern and northeastern bands. 

That danger may continue for several hours after the storm’s center has crossed the coast.

Edouard marks the third time this hurricane season that the region has faced direct tropical impacts. 

Tropical Storm Arthur struck Texas in June, followed by Tropical Storm Bertha’s Louisiana landfall in July.

Some rain will benefit areas experiencing abnormally dry or drought conditions, but the most intense bands could deliver too much water too quickly.

Although Edouard will steadily lose strength over land, forecasters warned that residents should not assume the danger ends at landfall. 

Floodwater, coastal inundation and tornadoes can remain deadly even after the storm’s winds begin to weaken.

Senior leaders at the Metropolitan Museum of Art conceded to angry high-dollar donors that the institution had erred in choosing designer John Galliano, who was convicted over antisemitic abuse, for a major honor, sources said.

In a hastily arranged Zoom call late Monday afternoon with the museum’s influential board of trustees, Met CEO Max Hollein and billionaire board co-chair Tony James acknowledged concerns that the institution failed to gather sufficient input before moving forward with the polarizing selection, people familiar with the meeting told The Post.

“They admitted it was a mistake,” one source said of the hourlong discussion, which came just hours after Galliano, 65, announced he was stepping away from being honored at May’s star-packed Met Gala and from a related curated costume exhibition. The celebrated couture figure has long faced backlash for a past outburst in which he declared, “I love Hitler.”

According to the source, museum officials discussed how the decision-making process had broken down and acknowledged that the final choice was misguided.

James, sources said, personally conceded that Galliano was the wrong honoree at the wrong moment, particularly amid heightened alarm over rising antisemitism.

New York City Council Speaker Julie Menin, an ex officio trustee who helped drive mounting protest against Galliano’s selection, spoke during the meeting and reiterated that honoring the onetime catwalk virtuoso was a bad move, sources said.

But while copping to botching the 2027 mega-fund-raising gala, Met execs and some trustees still refused to take on 76-year-old Vogue editrix Anna Wintour — and even her flamboyant buddy Galliano.

“People were complimentary of Anna,” a source said — adding that Met leadership was grateful that Galliano bowed out on his own.

Wintour, the ironfisted power behind the gala, has remained loyal to the eccentric Galliano, helping him to continue his fantastical work in the fashion field since his fall from grace.

Around 2011, Galliano was the star of legendary fashion house Dior when he was caught on camera hissing horrific anti-Jewish vitriol at various patrons of a cafe in Paris.

He blamed being booze- and drug-addled at the time, copped a mea culpa, entered rehab — and then seemed to make nice with some key Jewish national leaders.

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But a fashion publicist recently recounted how she and a friend had an antisemitic encounter with Galliano years later, in 2019, in which he sneered over her pal speaking in Hebrew. Galliano has denied the encounter ever happened.

Wintour has stood by the disgraced designer through it all, even calling his decision to step down from his Met fete “courageous.’’

No decision was made about a replacement “theme’’ for the gala or exhibit, Met officials noted at the meeting, sources said.

But there also was heightened discussion and soul-searching about the Met’s values overall, sources said.

“I felt that it was a two-part problem,’’ said Met donor Alice Tisch, referring to Galliano’s selection, to The Post on Monday after his sensational bow-out.

“It was the Jewish problem — which is so, you know, heightened right now with all of the issues and all of the antisemitism,” said Tisch, who is not a trustee.

“But as much as that, it was the governance issue that just bespeaks a larger problem and something that should not be,” she said.

“You can’t have one donor to the museum, whether they’re a trustee or not, saying ‘We’re going to do this show, this is an artist we need to promote,’” said Tisch, a relative of NYPD Commish Jessica Tisch. “It’s got to come from curatorial. There’s got to be church and state. This stuff has to be a little separate.

“I did enough research into it,’’ she said. “I was thinking, it’s got to be that at least 50 percent of the donors to the Met are Jews — you know, historic big collections.

“There’s the Lehman collection, the Gelman collection, the Annenberg collection. There’s a lot of great Jewish collections there.

“So they’re also running a Lee Krasner and a Jackson Pollock show at the same time. And that’s when I started to think, what would Lee Krasner do? What would one of these Jewish artists’ responses be to the Met for showing this art?”

Dozens of suspected migrants were rescued from a 30-foot pleasure boat after being stranded for two days without fuel, food or water nearly 90 miles off the Southern California coast, the U.S. Coast Guard said.

Coast Guard officials said 37 suspected migrants were on board when rescue crews reached the vessel Friday about 88 miles from Channel Islands Harbor.

The operation got underway around 3:40 p.m. after the boat’s operator contacted the Coast Guard by radio to request assistance.

According to the operator, the boat had been adrift for two days, had run out of fuel and was carrying no food, water or personal safety equipment.

The Coast Guard sent several crews to the area, including the cutters Sockeye and Halibut, boats from stations in Los Angeles-Long Beach and Channel Islands, and an air crew.

Crews found the boat around 8:30 p.m. and brought all 37 suspected migrants aboard the Sockeye.

“I could not be prouder of the Coast Guard crews on scene who were directly responsible for 37 lives saved last night,” said Master Chief Peter Nelson, the Sockeye’s officer in charge.

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Nelson said crews carried out the rescue at night in rough conditions far from shore.

“Despite operating far offshore in rough conditions at night, they persevered until every person in danger was rescued,” Nelson said. “Their extraordinary professionalism, superb judgment, and impeccable seamanship shined throughout the entire case.”

The Sockeye brought the group to Coast Guard Base Los Angeles-Long Beach, where they were turned over to U.S. Border Patrol.

The Coast Guard did not immediately say where the group was from, where the boat began its journey or where it was headed.