evidence: Tide gauges and other recordings show that sea levels in Sydney Harbor have steadily risen over the last 90 years, albeit at a slower rate than other shorelines across the globe. [...] Sea level is rising at Sydney Harbor [...] Based on our research, we rate FALSE the claim that photos prove the sea level hasn't risen in Sydney Harbor. Experts say photos cannot be used to accurately ascertain sea-level change over time. And, sea levels in Sydney Harbor are indeed rising, according to tide gauge data and experts.