Today's high and low tide times for Plymouth, MA, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In Plymouth, MA, the next high tide is at 12:30 AM (3.62 m) and the next low tide is at 6:42 AM (0.28 m), based on harmonic predictions for Plymouth.
All high and low tides for Plymouth 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 Plymouth.
| Date | Tides (local time · height) |
|---|---|
| Wed, Jul 15 | H 12:30 AM 3.62 mL 6:42 AM 0.28 mH 12:45 PM 3.90 mL 7:15 PM 0.00 m |
| Thu, Jul 16 | H 1:21 AM 3.66 mL 7:33 AM 0.25 mH 1:36 PM 3.88 mL 8:06 PM 0.05 m |
| Fri, Jul 17 | H 2:09 AM 3.66 mL 8:24 AM 0.26 mH 2:27 PM 3.79 mL 8:54 PM 0.14 m |
| Sat, Jul 18 | H 2:57 AM 3.63 mL 9:15 AM 0.30 mH 3:18 PM 3.66 mL 9:42 PM 0.29 m |
| Sun, Jul 19 | H 3:45 AM 3.55 mL 10:09 AM 0.38 mH 4:09 PM 3.49 mL 10:33 PM 0.46 m |
| Mon, Jul 20 | H 4:36 AM 3.45 mL 11:03 AM 0.48 mH 5:03 PM 3.31 mL 11:24 PM 0.65 m |
| Tue, Jul 21 | H 5:27 AM 3.35 mL 11:57 AM 0.58 mH 6:00 PM 3.13 m |
Predicted from Plymouth, 0.5 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 Plymouth.
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