Hurricane Erin is losing strength as it races northeast into the open Atlantic, but forecasters are monitoring three other tropical systems that could develop in the coming days.

Hurricane Erin
Erin remains a large Category 1 hurricane with sustained winds near 90 mph. As of Friday morning, the storm was positioned several hundred miles east of the U.S. East Coast and north of Bermuda.

The National Hurricane Center expects Erin to gradually weaken and transition into a post-tropical system by the weekend. Despite staying offshore, the storm’s size continues to generate impacts far from its center, with hurricane-force winds extending up to 105 miles and tropical-storm-force winds reaching more than 300 miles.

Invest 90-L: Potential Next Named Storm
A broad area of showers and storms near the northern Leeward Islands is showing signs of organization. Forecasters say it has a high chance of becoming a tropical depression this weekend. If it strengthens, it would be named Fernand.

• Formation chance in 48 hours: 80%
• Formation chance in 7 days: 90%

Invest 99-L: Cabo Verde Islands
Another disturbance east of the Cabo Verde Islands has improved in structure but lacks a clear center. It may briefly develop before facing unfavorable conditions later this weekend.

• Formation chance in 48 hours: 40%
• Formation chance in 7 days: 50%

Central Atlantic Disturbance
A weak low southwest of the Azores has diminished overnight. No further development is expected.

• Formation chance in 48 hours: 0%
• Formation chance in 7 days: 0%

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