Lorenzo, with maximum sustained winds of 40 mph, was about 725 miles east-southeast of Bermuda, moving east-northeast at 8 mph, the National Hurricane Center said in its 5 a.m. EDT advisory.
No coastal watches or warnings were in effect.
Lorenzo was expected to maintain an east-northeasterly path through Wednesday followed by a turn to the northeast Thursday, forecasters said.
Lorenzo's strength was expected to change little during the next 48 hours.
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