Three short lines describe a strange, almost silly act: the speaker brings water to the sea, and does it by cupping it in their hands. The sea hardly needs more water, so the gesture can't be about usefulness. That's where the poem gets its quiet force.
The title, "Offering," points us toward giving. The speaker seems to be offering something small and humble to something vast, knowing it will vanish the moment it's poured in. What feels important is the act of giving, not the result. There's a gentle humility here, and perhaps a touch of tenderness, as if the speaker wants to honor the sea in the only way a person can.
The mood is calm, hushed, and a little wistful. The plain wording and the image of open hands make it feel almost like a ritual. It also hints at how small we are beside nature, and how we give anyway, even when our gift can't be noticed.