Tide Tables vs Tide Charts — What's the Difference?
Tide table, tide chart, tide schedule, tide times — these terms get used interchangeably but they describe slightly different things.
If you've searched for “OBX tide tables” and landed somewhere showing a graph, or searched for “tide chart” and found a list of times — you're running into a real terminology overlap. The four terms most people use are tide table, tide chart, tide schedule, and tide times, and there are subtle differences in what each one technically refers to.
Tide table — numbers in rows
A tide table is the numerical data — a row-and-column list of high and low tide times and heights for a given station, usually broken out by day. NOAA's annual published tide tables are the source documents. A typical OBX tide table looks like this:
| Date | High AM | Low AM | High PM | Low PM |
|---|---|---|---|---|
| Mon | 5:12 AM (3.0 ft) | 11:24 AM (0.3 ft) | 5:38 PM (2.9 ft) | 11:48 PM (0.4 ft) |
| Tue | 5:58 AM (3.0 ft) | 12:10 PM (0.3 ft) | 6:24 PM (2.9 ft) | — |
Tide tables are best for quick reference. You want to know “when is high tide Saturday at Hatteras” — you scan a row.
Tide chart — graph or curve
A tide chart is the visual version — a graph showing water level on the y-axis and time on the x-axis, with the smooth wave curve of the predicted tide. Peaks are highs and troughs are lows. Tide charts let you see the whole picture: when the tide is rising, when it's falling, when slack is approaching, and how dramatic the swing is.
Tide charts are best for planning around the shape of the tide — surf fishermen and beach drivers usually prefer them because you can visually pick the “last two hours of falling” window for the bite.
Tide schedule and tide times
These two terms are essentially the same as “tide table” in common usage — the times of high and low tides. “Tide times” usually implies just the four times of the day. “Tide schedule” usually implies a longer-range table for the week or month.
How they relate
All four terms describe the same underlying data — NOAA's harmonic tide prediction for a given station. The difference is just presentation:
| Term | Format | Best for |
|---|---|---|
| Tide table | Numerical rows | Quick lookup of a specific tide |
| Tide chart | Graph / curve | Seeing the full tide shape and picking moving-water windows |
| Tide schedule | Weekly or monthly list | Trip planning |
| Tide times | Today's 4 events | Casual quick-glance |
On this site
Every gauge page here gives you both the chart (interactive graph) and the table (times and heights). Pick the format that matches what you're trying to do:
- Duck tide chart & table
- Oregon Inlet tide chart & table
- Hatteras tide chart & table
- Ocracoke tide chart & table
- All OBX gauges
Related
Which Should You Use on the OBX?
For most OBX beach users — surf anglers, kayakers, beachcombers, and beach drivers — an interactive tide chart is the more practical tool. It shows you at a glance where you are in the tidal cycle right now, what the curve looks like over the next 12 hours, and when the next high and low will hit. A tide table gives you the same information in tabular form, which is useful for planning a week or month in advance or for printing out to take on a trip without cell service. The best approach is to use both: check the tide chart the night before for a visual read of the pattern, then note the specific times from the tide table for your fishing log or trip plan.