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Charleston Harbor · NOAA 8665530
Charleston, Customhouse Wharf NOAA Tide Station 8665530
Weather, daylight, and tide predictions for the exact NOAA station at 32.7808, -79.9236, plus practical notes for interpreting this reference around Charleston Harbor.
Open the full Outgoing Tide dashboard →Reviewed July 17, 2026
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Station 8665530 conditions snapshot
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NOAA station: Charleston, Customhouse Wharf
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Daylight is shown for the station coordinates and time zone.
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 8665530
The Charleston station is a central harbor reference for the Cooper, Ashley, and Wando rivers, tidal creeks, commercial channels, jetties, and Atlantic access.
Why people check this station
Its large tide range is important for marsh access, boat ramps, oyster edges, docks, harbor structure, and estimating how much water will move through creek mouths.
How to interpret the prediction locally
Creeks and the harbor entrance can lag the station, and current may remain strong after high or low water. Wind against an ebb can make the jetties hazardous.
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 8665530 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.