Today's high and low tide times for Portsmouth, Hampshire, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In Portsmouth, Hampshire, the next high tide is at 1:51 AM (4.67 m) and the next low tide is at 7:18 AM (0.68 m), based on harmonic predictions for Portsmouth.
All high and low tides for Portsmouth 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 Portsmouth.
| Date | Tides (local time · height) |
|---|---|
| Wed, Jun 17 | H 1:51 AM 4.67 mL 7:18 AM 0.68 mH 2:09 PM 4.65 mL 7:39 PM 0.56 m |
| Thu, Jun 18 | H 2:39 AM 4.62 mL 8:03 AM 0.74 mH 2:57 PM 4.54 mL 8:27 PM 0.64 m |
| Fri, Jun 19 | H 3:27 AM 4.51 mL 8:51 AM 0.86 mH 3:48 PM 4.39 mL 9:12 PM 0.78 m |
| Sat, Jun 20 | H 4:18 AM 4.36 mL 9:39 AM 1.03 mH 4:42 PM 4.21 mL 10:00 PM 0.96 m |
| Sun, Jun 21 | H 5:12 AM 4.19 mL 10:27 AM 1.21 mH 5:36 PM 4.03 mL 10:51 PM 1.16 m |
| Mon, Jun 22 | H 6:12 AM 4.04 mL 11:21 AM 1.40 mH 6:36 PM 3.89 mL 11:48 PM 1.35 m |
| Tue, Jun 23 | H 7:12 AM 3.93 mL 12:18 PM 1.55 mH 7:39 PM 3.80 m |
Predicted from Portsmouth, 2.5 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 Portsmouth.
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