Hypocrites
When hardship strikes at sea, those you invoke vanish, except Him. But when He brings you safely to shore, you turn away. Man is ever ungrateful.
17:67And when harm toucheth you upon the sea, all unto whom ye cry (for succour) fail save Him (alone), but when He bringeth you safe to land, ye turn away, for man was ever thankless.
29:65And when they mount upon the ships they pray to Allah, making their faith pure for Him only, but when He bringeth them safe to land, behold! they ascribe partners (unto Him),