Some of the year's highest tides will hit California shorelines this week and they're predicted to reach 7 feet in some areas.
Strong winter high tides, known as king tides, happen annually in certain coastal and low-lying areas like Highway 101 near Lucky Drive in Marin County and the Embarcadero in San Francisco.
King tides occur when the moon, sun and Earth are so close together they create a strong gravitational pull that produces the greatest tidal effects of the year.
On an average day, these king tides reach further inland than the highest ordinary tides, which can inundate roads and cause huge swells along the beach.
"It’s not going to be a massive danger to people but in certain low-lying areas people will see flooding," says Marina Psaros, co-founder of King Tides Project.