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MIAMI (AP) - Forecasters say Tropical Storm Cosme is likely to become a hurricane later in the day as it swirls in the Pacific off Mexico's coast.

The storm's maximum sustained winds early Tuesday are near 65 mph (100 kph) with additional strengthening expected.

Cosme is centered about 385 miles (615 kilometers) west-southwest of Manzanillo, Mexico, and is moving west-northwest near 16 mph (26 kph).

The U.S. National Hurricane Center in Miami says the storm will generate large swells that will affect parts of Mexico's Pacific coast into Wednesday morning. The swells are likely to cause dangerous surf and rip current conditions.

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