Hidden Beach (Rio Del Mar)

Coast, Rio Del Mar, Santa Cruz County. We calculate high and low water here from an ocean tide model — accurate to about 5 cm on open coasts, considerably less in tidal flats and river mouths. This spot is officially monitored, but the responsible authority publishes no annual classification of the water quality.

Common questions about this spot

How warm is the water?

Water temperature 16.1 °C — NOAA Geo-Polar Blended (5 km), measured 20/09/2026 05:00.

When is high and low tide?

High tide at 19:19, Low tide at 02:38 (Local time at the spot).

Swimming spots in Rio Del Mar · Santa Cruz County · Swimming spots in the United States · Pacific Ocean · On the map