West Coast tides
193 NOAA tide stations across 1 states and territories.
Mixed semidiurnal tides — two unequal highs and two unequal lows a day — with ranges growing as you head north. Harbor entrances feel the swell as much as the tide.
States in this region
Biggest range in the region
Gold Street Bridge, Alviso Slough · 9.3 ft diurnal range
Mean higher high water minus mean lower low water, from NOAA datums.