This type of wave is formed by several smaller waves that combine into one big wave, and it can hit after 10 to 20 minutes of small waves ... pull them into the cold ocean waters, resulting ...

Officials are urging the public to stay away from shorelines and avoid turning their backs to the ocean ... waves that combine into one big wave, and it can hit after 10 to 20 minutes of small ...

File photo of dark ocean waves. Rescuers found a missing man on ... Cannon Beach is a popular small coastal city in northern Oregon. Haystack Rock is an iconic rock formation off the coastline.