TAMPA, Fla. -- Life-threatening storm surge and damaging winds are the likely main threats in the coming hours all across Florida's west coast.

Hurricane Irma officially made landfall at 9:10 a.m. at Cudjoe Key. Around that time, there was a reported 106 mph gust at the National Key Deer Refuge on Big Pine Key.

Irma is a Category 4 storm with 130 mph winds, according to the 9 a.m. Sunday update from the National Hurricane Center. It is moving north-northwest at 8 mph.

Its minimum central pressure is 929 mb.

List: Hurricane Irma evacuation notices, shelters in Tampa Bay

Track the tropics: Download the 10News app

Related: Hurricane season: What's a watch, what's a warning?

Numerous hurricane warnings and watches are in effect, including the Tampa Bay region and all of south Florida. This means most people who chose to stay hunkered down at home or in a shelter can expect hurricane-force winds in excess of 74 mph as early as Sunday afternoon.

Gusts to 115 mph -- which is considred a major Category 3 storm on the Saffir-Simpson scale -- are possible.

As Irma's track to shifted west, the impacts to Tampa Bay grew.

The biggest impacts of this storm will be damaging winds and storm surge. Winds up to 120 mph are possible, especially late Sunday into early Monday morning. So, too, are the possibility of quick spin-up tornadoes.

An 8-10 foot storm surge is possible starting late Sunday into Monday for southwest Florida. About 5-9 feet are possible in Tampa Bay.

Make it easy to keep up-to-date with more stories like this. Download the 10 News app now.

Have a news tip? Email tips@wtsp.com, visit our Facebook page or Twitter feed.