Tropical Storm Erin is expected to become a hurricane today.

Current forecasts predict Erin will become a Category 4 storm with maximum sustained winds of 130 mph.

Impacts Erin will have on Florida remain uncertain but dangerous surf and rip currents can be expected.

Tropical Storm Erin is now expected to become a Category 4 hurricane, with maximum sustained winds of 130-mph, according to the latest advisory from the National Hurricane Center.

Erin was a strong tropical storm early Friday morning, Aug. 15, but is expected to become a hurricane later today and a major hurricane by Sunday morning. A major hurricane is one that's a Category 3 storm or higher, with maximum sustained winds of at least 111 mph.

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