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Mateo Coast State Beaches

Typical September highs at Mateo Coast State Beaches reach about 77°F, with reliable beach weather August to October. Mateo Coast State Beaches is located in Half Moon Bay, California.

Half Moon Bay, California · live parking & conditions · updated June 19, 2026

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Mateo Coast State Beaches in Half Moon Bay, California
Photo: FASTILY · CC BY-SA 4.0

Conditions & tides

In a typical year September is the warmest month here, with highs near 77°F, and it's reliably beach weather August to October. Tap Mateo Coast State Beaches on the map for live surf, wind, water temperature, UV and tide times.

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