TAMPA, Fla. (WFLA) — Tropical Storm Ophelia officially formed off the Southeast Coast Friday afternoon with wind speeds at 60 mph.

Forecasters believe the system will move across eastern North Carolina, southeastern Virginia, and the Delmarva Peninsula on Saturday and Sunday.

The following watches and warnings are in effect:

A Storm Surge Warning is in effect for:

• Beaufort Inlet, North Carolina to Chincoteague, Virginia
• Chesapeake Bay south of Colonial Beach, Virginia
• Neuse and Pamlico Rivers
• Portions of Pamlico and Albemarle Sounds

A Tropical Storm Warning is in effect for:

• Cape Fear, North Carolina to Fenwick Island, Delaware
• Albemarle and Pamlico Sounds
• Tidal Potomac south of Cobb Island
• Chesapeake Bay south of North Beach

A Storm Surge Watch is in effect for:

• Surf City, North Carolina to Beaufort Inlet, North Carolina
• Remainder of Pamlico and Albemarle Sounds

In the Tampa Bay area, it will feel a lot cooler due to the system. It will bring in drier air and lower our rain chances through the weekend.

The NHC is also watching a disturbance with an 80 percent chance of formation.

The system is located about 500 miles west of the Cabo Verde Islands and is beginning to show signs of organization.

A tropical depression is likely to form this weekend or early next week while the system moves westward at 10 to 15 mph across the eastern and central tropical Atlantic.