Gabrielle has continued to grow in strength this week, turning into a massive Category 4 storm in the central Atlantic.

Tropical Storm Gabrielle is strengthening and is expected to reach hurricane status either Saturday night or Sunday, according to the National Hurricane Center.

Gabrielle is forecast to pass east of Bermuda, the U.S. mainland, and could rise to the strength of a Category 2 hurricane.

The storm is expected to bring life-threatening swells to parts of the East Coast and Bermuda.

Forecasters predict the possibility of Gabrielle becoming a \

Hurricane Gabrielle is forecast to continue strengthening early Monday as it nears Bermuda, and residents are being urged to monitor forecast updates.

Forecasters are tracking a pair of tropical waves in the Atlantic Ocean that could develop over the coming days. Here's what to know.

Gabrielle has continued to grow in strength this week, turning into a massive Category 4 storm in the central Atlantic.