In case of water damage:

The steel wall structures are inherently watertight so that rains driven by hurricane force winds, are unlikely to breach the structure.

In case of wind damage:

In a strong hurricane, the wind speeds can reach upwards of 160 mph.  However, the strongest winds associated with hurricanes are generally caused by tornados spawned by the hurricane.  The winds from a strong tornado can be higher than 250 mph.  A high percentage of the wind damage is actually a result of debris being hurled through the air.  Experiments have shown that items, such as small trees or two-by-fours, can actually penetrate the walls of a CONCRETE BLOCK HOME when hurled at the velocities generated by a moderately strong tornado.  The steel wall structure of homes made out of Shipping containers is inherently secure against intrusion from such debris during a hurricane or tornado.

Shipping containers are resistant to any natural disaster available, including tornadoes, earthquakes, and even hurricanes. Shipping containers, whether single units or multiple connected units, can withstand up to 100MPH winds when rooted on foundation, or 175MPH winds when anchored with pylons, making container-homes extremely solid in both tornadoes and hurricanes. And even after a direct hit during an earthquake, the structure would never collapse; “it would be the most perfect safety cocoon in an earthquake, at least 100 times safer and stronger than a conventional housing structure.”
Source: ISBU Association – Intermodal Steel Building Units and  Container Homes www.isbu-info.org/faq.