Contradiction with Isaiah 57:20
While Psalms 107:30 speaks of peace and calm at sea after a storm, Isaiah 57:20 describes the wicked as a troubled sea that cannot rest and continually produces mire and dirt.
Isaiah 57:20: But the wicked [are] like the troubled sea, when it cannot rest, whose waters cast up mire and dirt.
Contradiction with James 1:6
Psalms 107:30 describes calmness and peace once reaching the desired haven, whereas James 1:6 talks about one who doubts being like a wave of the sea driven and tossed by the wind, indicating instability and unrest.
James 1:6: But let him ask in faith, nothing wavering. For he that wavereth is like a wave of the sea driven with the wind and tossed.