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Lower Columbia River · NOAA 9439040
Astoria, Tongue Point NOAA Tide Station 9439040
Weather, daylight, and tide predictions for the exact NOAA station at 46.2073, -123.7683, plus practical notes for interpreting this reference around Lower Columbia River.
Open the full Outgoing Tide dashboard →Reviewed July 17, 2026
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Station 9439040 conditions snapshot
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NOAA station: Astoria, Tongue Point
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For the latest available data, refresh your browser. This page loads once and does not poll in the background. Predictions are water levels at the station, not navigation guidance or a guarantee of safe conditions.
About NOAA station 9439040
The Astoria station measures lower Columbia River water levels near Tongue Point, with relevance to estuary channels, shoals, docks, jetties, and the Pacific entrance.
Why people check this station
It supports river fishing, marina depth, shoreline access, estuary navigation, and understanding the tide stage moving through the lower Columbia.
How to interpret the prediction locally
River discharge and ocean tide combine here. The Columbia River Bar is a separate, serious hazard requiring official bar observations and restrictions.
Tide height is not current speed
A high or low prediction describes the expected water level at the gauge. Current can turn earlier or later in a nearby inlet, river, bridge opening, pass, or channel. NOAA publishes separate current predictions for supported locations, and local weather can move the observed level above or below the astronomical prediction.
Basic station-planning checklist
- Confirm that station 9439040 represents the water you intend to use.
- Note the predicted high and low times, heights, and overall range.
- Check wind, waves, visibility, precipitation, and official warnings.
- Allow for the local offset between the gauge and your exact location.
- Verify actual water, access, navigation, and regulations before departure.
Planning only: Data can be delayed, unavailable, or unrepresentative of a nearby micro-location. Never use this page as a substitute for official charts, notices, warnings, or direct observation.