The category four hurricane made landfall near Cameron at 1am local time.
In a tweet, the National Hurricane Center (NHC) said: “At 1 am CDT, Hurricane #Laura has made landfall in southwestern Louisiana near Cameron as a category 4 #hurricane.
“Maximum sustained winds were 150 mph, with a minimum central pressure of 938 mb.
“Potentially catastrophic impacts will continue.”
The NHC also warned of an an “unsurvivable storm surge”.
It said: “Unsurvivable storm surge with large and destructive waves will cause catastrophic damage from Sea Rim State Park, Texas, to Intracoastal City, Louisiana, including Calcasieu and Sabine Lakes.
“This surge could penetrate up to 30 miles inland from the immediate coastline.”
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