Drone captures waterspout on Marcos Island, Fla.

Screen shot of Live Storms Media drone footage of possible waterspout on Marcos Island, Fla. Hurricane Irma. Saturday, September 9, 2017. (Live Storms Media)

A storm chaser with Live Storms Media captured footage of a possible waterspout off Marcos Island, Florida as Hurricane Irma approaches.

The National Hurricane Center has ranked Irma as a Category 3 storm with maximum sustained winds of 125 mph. The storm is expected to gain strength as it approaches Florida.

The National Weather Service has issued tornado warnings for the southern tip of Florida throughout Saturday evening.

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