Today's high and low tide times for Nantucket, MA, plus a 7-day tide table. Astronomical predictions from the nearest harmonic station — free and updated daily.
In Nantucket, MA, the next high tide is at 2:30 AM (1.14 m) and the next low tide is at 8:03 AM (0.13 m), based on harmonic predictions for NANTUCKET.
All high and low tides for Nantucket 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 Nantucket.
| Date | Tides (local time · height) |
|---|---|
| Wed, Jun 17 | H 2:30 AM 1.14 mL 8:03 AM 0.13 mH 2:42 PM 1.37 mL 8:51 PM 0.03 m |
| Thu, Jun 18 | H 3:21 AM 1.14 mL 8:57 AM 0.13 mH 3:36 PM 1.34 mL 9:45 PM 0.07 m |
| Fri, Jun 19 | H 4:15 AM 1.13 mL 9:54 AM 0.15 mH 4:33 PM 1.29 mL 10:36 PM 0.11 m |
| Sat, Jun 20 | H 5:09 AM 1.13 mL 10:51 AM 0.17 mH 5:33 PM 1.24 mL 11:30 PM 0.16 m |
| Sun, Jun 21 | H 6:06 AM 1.13 mL 11:48 AM 0.19 mH 6:33 PM 1.19 m |
| Mon, Jun 22 | L 12:21 AM 0.22 mH 7:00 AM 1.13 mL 12:48 PM 0.20 mH 7:33 PM 1.13 m |
| Tue, Jun 23 | L 1:15 AM 0.27 mH 7:57 AM 1.13 mL 1:48 PM 0.21 mH 8:36 PM 1.09 m |
Predicted from NANTUCKET, 0.3 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 Nantucket.
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