The tides happen because of the gravitational pull of the moon and the sun, but they become more extreme when the sun, moon and Earth are aligned.

Bezore noted that king tides can lead to increased flooding and erosion, affecting various coastal infrastructure. Although climate change does not impact the king tides, they provide insight into what high sea levels could look like in the future.

Higher-than-normal (and lower-than-normal tides) are headed back to San Diego's coasts this weekend, according to NBC 7 meteorologists.