All perils which are unique to transportation and which could not be prevented by reasonable efforts, including sinking of the vessel, stranding, heavy weather, lightning, collision with other vessels or submerged objects (such as Titanic's iceberg), and damage by sea water when caused by an insured peril. [MORE ON MARINE CARGO INSURANCE
Accidents and casualties that only happen at sea, such as sinking, collision of vessels, striking a submerged object, or heavy weather.
Dangers specific to ocean marine transportation, such as heavy weather, stranding and collision. Perils of the sea are distinguished from perils such as fire, which also may occur on land and would be considered "perils on the sea" rather than "perils of the sea."
A marine insurance term used to designate heavy weather, stranding, lightning, collision, and sea water damage.
Causes of loss unique to the operation of ships and their cargoes, such as sinking, stranding, heavy weather, etc., but not fire, lightening or theft.
Stranding, sinking, collision and hazards from natural forces in or about navigable waters (windstorm, rough weather, etc., but not fire explosion, etc., which are perils on the sea).
Hazards arising on navigable waters through natural forces such as abnormally heavy seas, high winds, etc.
The causes of fortuitous accidents or casualties of the seas, such as stranding, collision and heavy weather, but not the ordinary action of winds and waves which is in the nature of wear and tear.
Fortuitous accidents or casualties peculiar to transportation on navigable water, such as sinking, collision of vessel, striking a submerged object, or encountering heavy weather or other unusual forces of nature.