Blashke Island — AK, United States
Tide times & tide chart
↑7:32am↓5:39pm
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 | 3.4 ft | |
| Mon 19 Oct 2026 | High | 11.1 ft | |
| Mon 19 Oct 2026 | Low | 6.8 ft | |
| Mon 19 Oct 2026 | High | 11.8 ft | |
| Tue 20 Oct 2026 | Low | 3.2 ft | |
| Tue 20 Oct 2026 | High | 12.0 ft | |
| Tue 20 Oct 2026 | Low | 5.7 ft | |
| Tue 20 Oct 2026 | High | 12.4 ft | |
| Wed 21 Oct 2026 | Low | 2.6 ft | |
| Wed 21 Oct 2026 | High | 13.2 ft | |
| Wed 21 Oct 2026 | Low | 4.2 ft | |
| Wed 21 Oct 2026 | High | 13.3 ft | |
| Thu 22 Oct 2026 | Low | 2.0 ft | |
| Thu 22 Oct 2026 | High | 14.5 ft | |
| Thu 22 Oct 2026 | Low | 2.5 ft | |
| Thu 22 Oct 2026 | High | 14.3 ft | |
| Fri 23 Oct 2026 | Low | 1.5 ft | |
| Fri 23 Oct 2026 | High | 15.8 ft | |
| Fri 23 Oct 2026 | Low | 0.9 ft | |
| Sat 24 Oct 2026 | High | 15.2 ft | |
| Sat 24 Oct 2026 | Low | 1.2 ft | |
| Sat 24 Oct 2026 | High | 17.1 ft | |
| Sat 24 Oct 2026 | Low | -0.6 ft | |
| Sun 25 Oct 2026 | High | 15.9 ft | |
| Sun 25 Oct 2026 | Low | 1.1 ft | |
| Sun 25 Oct 2026 | High | 18.1 ft | |
| Sun 25 Oct 2026 | Low | -1.7 ft |
Station facts
- Position
- 56.1267° N, 132.8950° 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
- Thorne IslandWhale Passage4.8 nm SSW
- Beck IslandClarence Strait4.9 nm SSE
- Lake Bay6.3 nm S
- Point Harrington7.3 nm ENE
- Bushy IslandSnow Passage9.5 nm NNW
- El Capitan PassageS. of Devilfish Bay14.4 nm WSW