Storm tracker: Potential hurricane could hit Gulf Coast this week

A potential hurricane -- which would be named Helene -- is churning in the Caribbean and is forecast to make landfall in Florida on Thursday.

The system is forecast to become Tropical Storm Helene early Tuesday morning.

PHOTO: A tropical threat satellite map. (ABC News)
PHOTO: A tropical threat satellite map. (ABC News)

It will then move into the Gulf of Mexico and strengthen to a hurricane on Wednesday morning.

Hurricane watches were issued in Tulum, Mexico; Cancun, Mexico; and Cuba.

PHOTO: Tropical threat forecast path. (ABC News)
PHOTO: Tropical threat forecast path. (ABC News)

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The storm is forecast to continue to strengthen to a Category 2 or Category 3 hurricane before making landfall along the Florida Panhandle or Florida's Big Bend area on Thursday night.

Flash flooding, strong winds and storm surge are the biggest threats.

PHOTO: Northeastern Gulf Coast, including the FL panhandle ad portions of the FL West Coast (from Panama City to Tampa), should prepare for the potential life-threatening storm surge, hurricane-force winds, and flash flooding on Thursday. (ABC News)
PHOTO: Northeastern Gulf Coast, including the FL panhandle ad portions of the FL West Coast (from Panama City to Tampa), should prepare for the potential life-threatening storm surge, hurricane-force winds, and flash flooding on Thursday. (ABC News)

The Tampa, Florida, area and the Florida Panhandle are expected to get the worst of the storm surge.

Florida Gov. Ron DeSantis said he's declared a state of emergency in 41 counties.

"Now is the time to make an emergency plan, know your evacuation zone, and be as prepared as possible for the storm," he said on social media.

PHOTO: Heavy rain outlook shows the heaviest across the FL panhandle/northern FL and inland from Tallahassee to Atlanta to Nashville  (ABC News)
PHOTO: Heavy rain outlook shows the heaviest across the FL panhandle/northern FL and inland from Tallahassee to Atlanta to Nashville (ABC News)

Tropical storm watches have been issued in the lower Florida Keys.

After landfall, Helene's heavy rain and flash flooding may move inland to Tallahassee, Florida; Atlanta; and Nashville, Tennessee.

Three to 6 inches of rain is forecast for the Southeast, with isolated totals around 10 inches.

Storm tracker: Potential hurricane could hit Gulf Coast this week originally appeared on abcnews.go.com