
Cape Cod's glacial bluffs meet the open Atlantic at Coast Guard Beach, where shifting bars and a strong semidiurnal tide redraw the shoreline every day.
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Annual tide statistics computed from published NOAA 2026 predictions for Coast Guard Beach. Times use the location time zone (America/New_York).
2.02m on 18 May at 01:11
-0.21m on 4 Jan at 19:22
1.55m between high and low
October — highest avg high tides
Two high and two low tides daily
2.23m — from lowest low to highest high
High and low tide predictions for the next 7 days, from NOAA. Times use America/New_York.
| Day | High tides | Low tides |
|---|---|---|
| Sun 27 Sep | 00:42 · 1.64m, 12:56 · 1.73m | 07:17 · 0.01m, 19:45 · -0.06m |
| Mon 28 Sep | 01:22 · 1.64m, 13:32 · 1.81m | 07:55 · 0.02m, 20:32 · -0.08m |
| Tue 29 Sep | 02:05 · 1.61m, 14:13 · 1.86m | 08:35 · 0.04m, 21:21 · -0.08m |
| Wed 30 Sep | 02:51 · 1.56m, 14:59 · 1.87m | 09:18 · 0.06m, 22:13 · -0.06m |
| Thu 1 Oct | 03:42 · 1.5m, 15:50 · 1.85m | 10:05 · 0.08m, 23:08 · -0.02m |
| Fri 2 Oct | 04:38 · 1.43m, 16:48 · 1.79m | 10:59 · 0.1m |
| Sat 3 Oct | 05:41 · 1.38m, 17:53 · 1.73m | 00:09 · 0.01m, 12:01 · 0.13m |