![]() Sea level is expected to rise even more quickly by the end of the century. By 2000, that rate had increased to about 3.2 millimeters per year and the rate in 2016 is estimated at 3.4 millimeters per year. Between 19 studies show that sea level rose between 1.2 millimeters and 1.7 millimeters per year on average. ![]() The rate of sea level rise has also increased over time. That's a pretty big change: for the previous 2,000 years, sea level hadn't changed much at all. Today, sea level is 5 to 8 inches (13-20 centimeters) higher on average than it was in 1900. These are small daily changes that balance out over time.īut over the past century, the average height of the sea has risen more consistently-less than a centimeter every year, but those small additions add up. ![]() When you visit the beach, waves roll in and recede and the tides rise and fall.
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