8418150_waterlevel_1min11CO-OPS station 8418150: PORTLAND, CASCO BAY 1-minute Raw Tsunami Water Level Data (ID: boundingGeographicBoundingBox) Coastal Tide Gauge Network of the United States and Its Territories at E: -70.24669, W: -70.24669, N: 43.6567, S: 43.6567#footprint-70.24669,43.6567 -70.24669,43.6567 -70.24669,43.6567 -70.24669,43.6567 -70.24669,43.6567