The chances that Florida will feel rain, surf and winds from a tropical system next week continues to rise. Humberto, now a hurricane, is on track to steer clear of the U.S. coast. But the tropical wave under watch all week is on the cusp on developing into a tropical depression or storm — potentially as soon as Friday evening.

The former Hurricane Gabrielle was expected to bring hurricane conditions including heavy rain, a storm surge and large, destructive waves to the Azores islands starting Thursday, despite being downgraded to a post-tropical cyclone,

Tropical Storm Humberto is expected to become a major hurricane, while Invest 94L is forecast to become a tropical depression, the NHC advised.

MIAMI — Hurricane Gabrielle formed Sunday in the open Atlantic southeast of Bermuda, while Tropical Storm Narda emerged well off southern Mexico’s Pacific coast.