Today's high and low tide times for Charleston, SC, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In Charleston, SC, the next high tide is at 11:24 AM (5.6ft) and the next low tide is at 5:33 AM (1.4ft), based on harmonic predictions for CHARLESTON (Customhouse Wharf).
All high and low tides for Charleston today, in local time (America/New York). Heights are metres above chart datum.
High (H) and low (L) tide times and heights for the next seven days at Charleston.
| Date | Tides (local time · height) |
|---|---|
| Tue, Sep 15 | L 5:33 AM 1.4ftH 11:24 AM 5.6ftL 5:36 PM 1.1ft |
| Wed, Sep 16 | H 12:03 AM 6.5ftL 6:24 AM 1.7ftH 12:06 PM 5.2ftL 6:21 PM 1.4ft |
| Thu, Sep 17 | H 12:48 AM 6.3ftL 7:15 AM 2.0ftH 12:48 PM 4.9ftL 7:06 PM 1.7ft |
| Fri, Sep 18 | H 1:36 AM 6.0ftL 8:09 AM 2.2ftH 1:39 PM 4.6ftL 7:57 PM 1.9ft |
| Sat, Sep 19 | H 2:30 AM 5.9ftL 9:06 AM 2.3ftH 2:39 PM 4.5ftL 8:51 PM 2.1ft |
| Sun, Sep 20 | H 3:27 AM 5.8ftL 10:00 AM 2.3ftH 3:48 PM 4.5ftL 9:48 PM 2.1ft |
| Mon, Sep 21 | H 4:24 AM 5.8ftL 10:51 AM 2.1ftH 4:48 PM 4.7ftL 10:42 PM 2.0ft |
| Tue, Sep 22 | H 5:12 AM 5.9ftL 11:36 AM 1.8ftH 5:39 PM 5.1ftL 11:36 PM 1.8ft |
Predicted for CHARLESTON (Customhouse Wharf), 0.8 km away (reliability: high — a close match — expect predictions within a few minutes of the published station table).
These are astronomical tide predictions — the rise and fall driven by the moon and sun, computed by harmonic analysis. They do not include weather effects: a strong onshore wind, low barometric pressure or a storm surge can push the real water level above the predicted high, and offshore winds or high pressure can hold it below the predicted low. For navigation or any safety-critical decision, always check the official tide tables and a live water-level gauge for Charleston.
Tides are only half the picture — wind, swell and the bite window matter too.
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