Today's high and low tide times for Portland, ME, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In Portland, ME, the next high tide is at 3:12 AM (12.2ft) and the next low tide is at 9:42 AM (1.0ft), based on harmonic predictions for PORTLAND.
All high and low tides for Portland 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 Portland.
| Date | Tides (local time · height) |
|---|---|
| Sun, Nov 1 | H 3:12 AM 12.2ftL 9:42 AM 1.0ftH 3:54 PM 10.6ftL 9:57 PM 2.0ft |
| Mon, Nov 2 | H 4:15 AM 11.9ftL 10:45 AM 1.1ftH 5:00 PM 10.6ftL 11:00 PM 2.1ft |
| Tue, Nov 3 | H 5:21 AM 11.7ftL 11:45 AM 1.2ftH 6:03 PM 10.7ft |
| Wed, Nov 4 | L 12:06 AM 2.1ftH 6:24 AM 11.6ftL 12:48 PM 1.2ftH 7:06 PM 11.0ft |
| Thu, Nov 5 | L 1:09 AM 1.8ftH 7:24 AM 11.6ftL 1:42 PM 1.1ftH 8:03 PM 11.4ft |
| Fri, Nov 6 | L 2:09 AM 1.6ftH 8:21 AM 11.6ftL 2:36 PM 1.1ftH 8:54 PM 11.6ft |
| Sat, Nov 7 | L 3:03 AM 1.3ftH 9:15 AM 11.6ftL 3:24 PM 1.1ftH 9:42 PM 11.8ft |
| Sun, Nov 8 | L 3:51 AM 1.1ftH 10:03 AM 11.4ftL 4:09 PM 1.3ftH 10:27 PM 11.9ft |
Predicted for PORTLAND, 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 Portland.
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