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About
Overview
Mission Areas
Navigation Services
Coastal Hazards
Mapping and Charting
Strategic Plan
Contact Us
Data and Products
Tides and Water Levels
Currents
PORTS
®
Sea Level and Coastal Flooding
Meteorological and Oceanographic Data
Coastal Forecasts
GIS and Web Services
Tidal/Water Level Datum Updates
News
Education and Outreach
Videos
CO-OPS Publications
CO-OPS Field Library
Technical Assistance
Partnerships
Glossary
FAQs
Type
From
To
Preliminary 6-Minute Water Level
2002-03-27 01:00
2025-07-08 22:36
Verified 6-Minute Water Level
2002-04-01 00:00
2025-06-30 23:54
Verified Hourly Height Water Level
2002-03-27 01:00
2025-06-30 23:00
Verified High/Low Water Level
2002-03-27 01:00
2025-06-30 23:54
Verified Monthly Mean Water Level
2002-04-01 00:00
2025-06-30 23:54
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Products available at 9439201 St Helens, OR