Coast, Belvedere, Marin 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 not in any official register — there are no water samples and no classification.
Water temperature 16.7 °C — NOAA Geo-Polar Blended (5 km), measured 04/11/2026 04:00.
Low tide at 15:39, High tide at 21:51 (Local time at the spot).
Swimming spots in Belvedere · Marin County · Swimming spots in the United States · Pacific Ocean · On the map