MIAMI — The tropical Atlantic is showing signs of increased activity Tropical Storm Gabrielle and two tropical waves.

Tropical Storm Gabrielle was located near latitude 21.9 North, longitude 55.6 West. Gabrielle is moving northwest around 12 mph and this motion is expected to continue through Saturday. A gradual turn towards the north-northwest is expected by Saturday night, followed by a northward motion by Sunday night.

The National Hurricane Center's 5 p.m. Friday advisory reported that Tropical Storm Gabrielle is in the Atlantic Ocean, 510 miles northeast of the Northern Leeward Islands and 850 miles southeast of Bermuda. It is moving to the west-northwest at 12 mph, with maximum sustained winds of 50 mph.

Tropical Storm Gabrielle is likely to become a hurricane this weekend. If it does, it will be the second hurricane in the Atlantic basin this year and the seventh named storm. Here’s what you need to know about the storm, and who is likely to be affected.

Tropical Storm Gabrielle should strengthen over the weekend and Norwegian Escape is shortening her visit to Bermuda to stay out of the way.

Meteorologists are also monitoring two other tropical systems for potential development across the Atlantic. Tropical Storm Gabrielle is gaining strength and may become a major hurricane as it approaches Bermuda early next week,

Tropical Storm Gabrielle formed in the Atlantic on Sept. 17 and is expected to become the season's second hurricane over the weekend.

The center of Tropical Storm Gabrielle was located near latitude 20.3 North, longitude 51.7 West, moving toward the west-northwest near 15 mph. This motion is expected to continue over the next couple days followed by a northwestward turn this weekend. Maximum sustained winds remain near 50 mph with higher gusts.