Chantal has already started weakening as it moves inland, but forecasters said flash floods and life-threatening rip currents were expected along the coast.
Battery companies are slowing construction or reconsidering big investments in the United States because of tariffs on China and the proposed rollback of tax credits.
Group14 Technologies, a start-up, slowed the construction of a battery materials factory in Moses Lake, Wash., after its customers in China balked at paying higher tariffs.