King tide flooding: How the moon impacts the coastal weather

Sara Tonks
BySara Tonks•
October 26, 2026Updated: October 26, 2026, 5:22 pm EDTPublished: October 26, 2026, 4:41 pm EDT

King tide flooding can happen even on a sunny day for coastal areas, and its cause is linked to the moon reaching the perigee of its orbit. Meteorologist Sara Tonks breaks down what causes a king tide and what you need to know about coastal flood alerts.

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