Boca de Quadra — AK, United States
Tide times & tide chart
↑7:21am↓5:33pm
Predictions are not observations — conditions vary with weather and river flow. Not for navigation.
Slackwater predicts tides and currents offline, on your phone — tides worldwide, currents across the US and Canada.
Requires iOS 26 or later.
Tide times for the next 7 days
| Day | Tide | Time | Height |
|---|---|---|---|
| Mon 19 Oct 2026 | Low | 3.6 ft | |
| Mon 19 Oct 2026 | High | 10.6 ft | |
| Mon 19 Oct 2026 | Low | 7.1 ft | |
| Mon 19 Oct 2026 | High | 11.3 ft | |
| Tue 20 Oct 2026 | Low | 3.3 ft | |
| Tue 20 Oct 2026 | High | 11.4 ft | |
| Tue 20 Oct 2026 | Low | 6.0 ft | |
| Tue 20 Oct 2026 | High | 11.8 ft | |
| Wed 21 Oct 2026 | Low | 2.7 ft | |
| Wed 21 Oct 2026 | High | 12.6 ft | |
| Wed 21 Oct 2026 | Low | 4.4 ft | |
| Wed 21 Oct 2026 | High | 12.6 ft | |
| Thu 22 Oct 2026 | Low | 2.1 ft | |
| Thu 22 Oct 2026 | High | 13.8 ft | |
| Thu 22 Oct 2026 | Low | 2.7 ft | |
| Thu 22 Oct 2026 | High | 13.6 ft | |
| Fri 23 Oct 2026 | Low | 1.6 ft | |
| Fri 23 Oct 2026 | High | 15.1 ft | |
| Fri 23 Oct 2026 | Low | 1.0 ft | |
| Fri 23 Oct 2026 | High | 14.4 ft | |
| Sat 24 Oct 2026 | Low | 1.3 ft | |
| Sat 24 Oct 2026 | High | 16.2 ft | |
| Sat 24 Oct 2026 | Low | -0.6 ft | |
| Sun 25 Oct 2026 | High | 15.1 ft | |
| Sun 25 Oct 2026 | Low | 1.2 ft | |
| Sun 25 Oct 2026 | High | 17.2 ft | |
| Sun 25 Oct 2026 | Low | -1.8 ft |
Station facts
- Position
- 55.1167° N, 130.7980° W
- Time zone
- America/Sitka
- Datum
- MLLW datum · NOAA reference highs and lows, adjusted by published offsets
- Region
- AK, United States
Heights are measured above chart datum. A negative height means there is that much less water than the charted depth shows.
Slackwater database (https://github.com/openwatersio/slackwater-database)
How we check predictions — dated samples and their limits.
Nearby
- Kah Shakes Cove7.7 nm SW
- Alva BayRevillagigedo Island13.3 nm WNW
- Custom House CoveMary Island14.4 nm W
- Nakat HarborAlaska18.1 nm S
- Hidden Inter EntrancePearse Inlet19.0 nm ESE
- Morse CoveDuke Island19.7 nm SW