A wave of high tides is expected to hit much of the East Coast this week. These special tides — king tides — occur a few times a year when the moon's orbit brings it close to the Earth.
But scientists say that lately, even normal tides throughout the year are pushing water higher up onto land. And that's causing headaches for people who live along coastlines.
As Bob Dylan might have put it, the tides, they are a changin'.