Something no one tells you about the sea: the salt air begins to hurt after a little while.
Ahab felt the air against his unshaven cheek as he scanned the horizon for a shape -- the same shape he had sought for so long. The same mist stung his eyes, making them water as he kept his gaze trained on the choppy waves. He had had his sea legs for so long that there was no question about keeping steady as the deck of the ship pitched and rolled.
"What's that?" said Stubb, looking out to the vanishing point.