Coast, Friday Harbor, San Juan 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.
Water temperature 12.3 °C — NOAA Geo-Polar Blended (5 km), measured 19/09/2026 05:00.
Low tide at 16:46, High tide at 21:27 (Local time at the spot).
Swimming spots in Friday Harbor · San Juan County · Swimming spots in the United States · Pacific Ocean · On the map