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Mystery #3Tier 2-3heat, wind, weather

Why does the breeze at the seaside blow one way by day and the other by night?

Spend a day at the seaside and you might feel a cool breeze drifting in off the water. Come back after dark and the breeze has quietly turned around, now blowing out toward the sea. Nobody flicked a switch. So what makes the wind change its mind between day and night?

A wide sandy beach seen from a grassy dune, with the sea and breaking waves on one side and land, dunes and trees on the other.
Photo: Radomianin · CC BY-SA 4.0 · via Wikimedia Commons

Your guess

What do you think makes the seaside breeze flip direction between day and night?

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