Yangtze River estuary is a tidal estuary with moderate runoff and tide. It has a huge tidal influx.

长江是径流、潮流中等的潮汐河口，纳潮量十分巨大。

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Parts of the coast were expected to see waves up to 12 feet and minor to moderate flooding during high tide.

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The Maritime and Coastguard Agency said sea conditions had been moderate to rough on Friday, with a higher-than-average high tide.

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