The swell from the Tohoku tsunami was likely only a foot high (30 cm) when it reached the Sulzberger Ice Shelf, but the consistency of the waves created enough stress to cause the calving.
Normally, thousands of visitors crowd the Banks of Haining or Xiaoshan to watch the waves, which can swell up to 9 meters high.
通常会有上千名观潮者挤上海宁或萧山的堤岸来观潮，潮可以涨到9米高。
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For those with sea legs, SeaStorm also includes a deeper analysis of wave heights, high wind, wind/wave forecasts, and swell direction (good for low-lying areas).