Cape Constantine — AK, United States
Tide times & tide chart
↑9:22am↓7:19pm
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 | High | 11.2 ft | |
| Mon 19 Oct 2026 | Low | 5.1 ft | |
| Mon 19 Oct 2026 | High | 6.2 ft | |
| Tue 20 Oct 2026 | Low | 1.6 ft | |
| Tue 20 Oct 2026 | High | 10.8 ft | |
| Tue 20 Oct 2026 | Low | 5.0 ft | |
| Tue 20 Oct 2026 | High | 6.4 ft | |
| Wed 21 Oct 2026 | Low | 2.1 ft | |
| Wed 21 Oct 2026 | High | 10.2 ft | |
| Wed 21 Oct 2026 | Low | 4.7 ft | |
| Wed 21 Oct 2026 | High | 6.7 ft | |
| Thu 22 Oct 2026 | Low | 2.8 ft | |
| Thu 22 Oct 2026 | High | 9.7 ft | |
| Thu 22 Oct 2026 | Low | 4.2 ft | |
| Thu 22 Oct 2026 | High | 7.2 ft | |
| Fri 23 Oct 2026 | Low | 3.6 ft | |
| Fri 23 Oct 2026 | High | 9.1 ft | |
| Fri 23 Oct 2026 | Low | 3.4 ft | |
| Fri 23 Oct 2026 | High | 7.9 ft | |
| Sat 24 Oct 2026 | Low | 4.3 ft | |
| Sat 24 Oct 2026 | High | 8.5 ft | |
| Sat 24 Oct 2026 | Low | 2.6 ft | |
| Sat 24 Oct 2026 | High | 8.9 ft | |
| Sun 25 Oct 2026 | Low | 5.0 ft | |
| Sun 25 Oct 2026 | High | 8.0 ft | |
| Sun 25 Oct 2026 | Low | 1.6 ft | |
| Sun 25 Oct 2026 | High | 10.0 ft |
Station facts
- Position
- 58.5217° N, 159.1520° W
- Time zone
- America/Anchorage
- Datum
- MLLW datum · computed from harmonic constituents
- 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
- Protection Point13.9 nm E
- Kulukak PointKulukak Bay24.6 nm NW
- Nushagak Bay (Clarks Point)27.1 nm NE
- Black RockWalrus Islands34.3 nm WNW
- Snag Point38.1 nm NE
- Middle BluffKvichak Bay52.0 nm E