Today's high and low tide times for Swansea, Wales, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In Swansea, Wales, the next high tide is at 10:06 AM (28.6ft) and the next low tide is at 3:51 AM (5.2ft), based on harmonic predictions for Mumbles.
All high and low tides for Swansea today, in local time (Europe/London). Heights are metres above chart datum.
High (H) and low (L) tide times and heights for the next seven days at Swansea.
| Date | Tides (local time · height) |
|---|---|
| Wed, Sep 16 | L 3:51 AM 5.2ftH 10:06 AM 28.6ftL 4:09 PM 5.9ftH 10:27 PM 27.5ft |
| Thu, Sep 17 | L 4:24 AM 7.1ftH 10:42 AM 26.4ftL 4:42 PM 8.0ftH 11:03 PM 25.4ft |
| Fri, Sep 18 | L 5:00 AM 9.2ftH 11:24 AM 24.1ftL 5:18 PM 10.1ftH 11:48 PM 23.4ft |
| Sat, Sep 19 | L 5:42 AM 11.2ftH 12:15 PM 22.0ftL 6:06 PM 12.1ft |
| Sun, Sep 20 | H 12:51 AM 21.7ftL 6:51 AM 12.9ftH 1:36 PM 20.5ftL 7:27 PM 13.5ft |
| Mon, Sep 21 | H 2:24 AM 21.1ftL 8:48 AM 13.4ftH 3:15 PM 20.6ftL 9:30 PM 13.2ft |
| Tue, Sep 22 | H 3:51 AM 22.0ftL 10:24 AM 11.9ftH 4:30 PM 22.1ftL 10:45 PM 11.5ft |
| Wed, Sep 23 | H 4:51 AM 24.0ftL 11:18 AM 9.9ftH 5:21 PM 24.2ftL 11:30 PM 9.4ft |
Predicted for Mumbles, 6.1 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 Swansea.
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