But Tropical Storm Oscar, earlier said to be a potential threat to Bermuda, had altered track and was no longer viewed as a danger.
Subtropical Storm Oscar formed Saturday morning in the Atlantic.
Hurricane season in the Atlantic Ocean usually starts from the month of June and lasts till November 30.
Sub-Tropical Storm Oscar is located 1120 miles east-southeast of Bermuda and is moving to the west-northwest at 12 mph (19 km/h).
Forecasters at the Miami-based hurricane center say Oscar "is expected to accelerate quickly toward the northeast through the middle of the week".More news: U.S. pipe bomb suspect claims to be Filipino
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Under the heading Hazards Affecting Land, the hurricane center said: "None".
Maximum sustained winds have increased to near 60 miles per hour (95 km/h) with higher gusts.
Oscar is forecast to continue to strengthen through Monday night, then gradually weaken in the open Atlantic. A turn toward the north-northwest is forecast on Monday.
Systems have a better chance of surviving and developing in the locations because water temperatures haven't cooled off below the 80 degrees Fahrenheit threshold storms need to form and grow, and wind shear often remains low in November.