Tropical Storm Nicole struck central and eastern Cuba on Wednesday and is heading toward the Bahamas.
Tropical Storm Matthew could become a hurricane later in the day.
Tropical Storm Lisa formed in the Atlantic Ocean on Tuesday, while Hurricane Igor swept past Newfoundland. One early prognostication on Tropical Storm Lisa says it might not make landfall.
Hurricane Igor had weakened to a bottom-tier hurricane by the time it brushed past Bermuda. Forecasters say Igor could still pack strong winds as it becomes a post-tropical depression over Greenland Thursday.
Hurricane Igor, now a Category 1 hurricane, blew through Bermuda on a northeast track. High winds and flooding knocked out electricity to 30 percent of the residents. Most tourists fled the island before Hurricane Igor arrived.
Hurricane Karl has ramped up to a Category 3 storm with winds of 120 m.p.h., and is bearing down on Vera Cruz, Mexico. Mexican authorities are evacuating oil platforms in the Gulf and residents are preparing for Hurricane Karl's arrival.
Hurricane Karl has a maximum sustained wind speed near 75 mph. The National Hurricane Center in Miami says additional strengthening is possible and Karl could approach major hurricane strength before reaching Mexico's coast.
Hurricane Julia became a Category 4 storm Wednesday. Tropical storm Karl is expected to reach hurricane status by the time it makes landfall in Mexico Saturday morning. Igor could brush Bermuda by Sunday.
Hurricane Igor could weaken and be over Bermuda by Sunday, forecasters say. But the path could change.
Hurricane Julia has maximum sustained winds Tuesday near 75 mph, with some additional strengthening expected during the next day or so.