Authoritative astronomy and oceanography sources state that the Moon’s gravity is the primary cause of ocean tides, while the Sun also contributes a smaller tidal effect.

There is no credible substantive dissent in the provided sources; some sources add that the Sun also influences tides, but that does not contradict the Moon’s primary role.

Tides - NASA Science

What Causes Tides?

Tidal Variations - The Influence of Position and Distance - Tides and water levels: NOAA's National Ocean Service Education

Science & Environment

Look up at the Moon, and you’re seeing the main cause of the surge and retreat of oceans from our shores.

High and low tides are caused by the moon.

The moon is a major influence on the Earth’s tides, but the sun also generates considerable tidal forces.

The main cause of tides in the ocean are the gravitational forces exerted by the Moon and the Sun on Earth.

Ocean tides are caused by the Moon's gravitational pull on the Earth.

The moon is responsible for ocean tides

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