Pacific Northwest tides
209 NOAA tide stations across 2 states and territories.
Puget Sound and the Columbia estuary amplify mixed tides far inland — ranges past 10 ft in the South Sound — with river flow stacked on top.
States in this region
Biggest range in the region
Olympia, Budd Inlet · 14.6 ft diurnal range
Mean higher high water minus mean lower low water, from NOAA datums.