The phrase "tide waves" refers to the rising and falling movements of water in the ocean caused by the gravitational pull of the moon and sun. Full definition
At low tide the wave can be hollow and really pitch while the inside can be fun for kids to play. (wavecation.com)
At extreme high tide the wave is fuller and much easier to ride, perfect for surfers who are not accustomed to fast tubing waves. (wavehunters.com)
The tide was just approaching the top of the tide at the time and there were already quite a few surfers in the water on both Kuta Reef and Airport Left and even 15 + on the low tide waves of Middle Reef. (baliwaves.com)