Many of the closed beaches were in Sydney, the site of three of the attacks.

The decision permitted the Trump administration to continue restricting inspections of the conditions inside immigration detention compounds.

Lawyers for the state and the cities of Minneapolis and St. Paul have sued over the deployment of some 3,000 federal agents to Minnesota.

The court is set to hear Ms. Cook’s case challenging her firing as the Justice Department investigates Jerome H. Powell, the central bank chair.