There was a heavy swell after the storm.

风暴过后海浪很大。

youdao

The boat pitches up and down and rolls from side to side in the heavy swell. The noise of the big diesel motor, just below the floor, is hammering at my head.

小船在滚滚巨浪中上下左右颠簸，我的大脑被甲板上那大型柴油发动机产生的噪音所困扰着。

youdao

The monsoon in winter is stronger than that in summer, and correspondingly, the average wave high is higher, and the frequencies of rough sea and heavy swell are also stronger.

冬季季风比夏季季风强盛，相应的平均波高、大浪大涌频率也较大。

youdao

On August 4 they arrived at Angatau Island, but were unable to land safely due to a heavy swell.

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He said the recent rescue of a surfer off Salcombe in strong winds and a heavy swell, showed how much was expected from the volunteer crews.

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Gusts of between 25mph and 30mph are forecast on the Sussex coast for the morning of 25 December, following almost a week of heavy sea swell.

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