[ Henry doesn't recognize Saber on sight, but her clothes and the way she held herself were enough to tell him that she's not just another human. Even if he hasn't witnessed the episode on the boat, he's on downtime and there's a lady very evidently upset right now. Just by virtue of that, he feels compelled to speak and see how he can help.

So he approaches, dressed in the standard issue uniform but with a tie tucked into his shirt, his knife belted to his waist in its sheath. The only other modification he's done to his clothes is a pair of thin leather gloves. ]

Excuse me. I apologize if this is being forward, but - it could get windy here, lady. I could help you get some dry clothes, if that's alright with you.

[ He doesn't really understand why she's staring at the water, but he doesn't want her to fall sick. ]