8635027_waterlevel_1min11CO-OPS station 8635027: DAHLGREN NAVAL PROVING GROUND 1-minute Raw Tsunami Water Level Data (ID: boundingGeographicBoundingBox) Coastal Tide Gauge Network of the United States and Its Territories at E: -77.036689758, W: -77.036689758, N: 38.319999694, S: 38.319999694#footprint-77.036689758,38.319999694 -77.036689758,38.319999694 -77.036689758,38.319999694 -77.036689758,38.319999694 -77.036689758,38.319999694