Grenville Channel (Narrow Portion) — United States
Tidal currents & slack water
↑8:13am↓6:32pm
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.
Slack water and maximums for the next 7 days
| Day | Current | Time | Speed |
|---|---|---|---|
| Mon 19 Oct 2026 | Slack | ||
| Mon 19 Oct 2026 | Max flood | 0.8 kn | |
| Mon 19 Oct 2026 | Slack | ||
| Mon 19 Oct 2026 | Max ebb | 0.5 kn | |
| Mon 19 Oct 2026 | Max ebb | 0.6 kn | |
| Mon 19 Oct 2026 | Slack | ||
| Mon 19 Oct 2026 | Max flood | 0.6 kn | |
| Mon 19 Oct 2026 | Slack | ||
| Tue 20 Oct 2026 | Max ebb | 1.3 kn | |
| Tue 20 Oct 2026 | Max ebb | 1.3 kn | |
| Tue 20 Oct 2026 | Slack | ||
| Tue 20 Oct 2026 | Max flood | 0.9 kn | |
| Tue 20 Oct 2026 | Slack | ||
| Tue 20 Oct 2026 | Max ebb | 1.2 kn | |
| Tue 20 Oct 2026 | Slack | ||
| Tue 20 Oct 2026 | Max flood | 0.7 kn | |
| Wed 21 Oct 2026 | Slack | ||
| Wed 21 Oct 2026 | Max ebb | 1.7 kn | |
| Wed 21 Oct 2026 | Slack | ||
| Wed 21 Oct 2026 | Max flood | 1.0 kn | |
| Wed 21 Oct 2026 | Slack | ||
| Wed 21 Oct 2026 | Max ebb | 1.9 kn | |
| Wed 21 Oct 2026 | Slack | ||
| Wed 21 Oct 2026 | Max flood | 0.9 kn | |
| Thu 22 Oct 2026 | Slack | ||
| Thu 22 Oct 2026 | Max ebb | 2.4 kn | |
| Thu 22 Oct 2026 | Slack | ||
| Thu 22 Oct 2026 | Max flood | 1.2 kn | |
| Thu 22 Oct 2026 | Slack | ||
| Thu 22 Oct 2026 | Max ebb | 2.8 kn | |
| Thu 22 Oct 2026 | Slack | ||
| Thu 22 Oct 2026 | Max flood | 1.1 kn | |
| Fri 23 Oct 2026 | Slack | ||
| Fri 23 Oct 2026 | Max ebb | 3.0 kn | |
| Fri 23 Oct 2026 | Slack | ||
| Fri 23 Oct 2026 | Max flood | 1.3 kn | |
| Fri 23 Oct 2026 | Slack | ||
| Fri 23 Oct 2026 | Max ebb | 3.6 kn | |
| Fri 23 Oct 2026 | Slack | ||
| Sat 24 Oct 2026 | Max flood | 1.3 kn | |
| Sat 24 Oct 2026 | Slack | ||
| Sat 24 Oct 2026 | Max ebb | 3.6 kn | |
| Sat 24 Oct 2026 | Slack | ||
| Sat 24 Oct 2026 | Max flood | 1.4 kn | |
| Sat 24 Oct 2026 | Slack | ||
| Sat 24 Oct 2026 | Max ebb | 4.3 kn | |
| Sat 24 Oct 2026 | Slack | ||
| Sun 25 Oct 2026 | Max flood | 1.5 kn | |
| Sun 25 Oct 2026 | Slack | ||
| Sun 25 Oct 2026 | Max ebb | 4.1 kn | |
| Sun 25 Oct 2026 | Slack | ||
| Sun 25 Oct 2026 | Max flood | 1.5 kn | |
| Sun 25 Oct 2026 | Slack | ||
| Sun 25 Oct 2026 | Max ebb | 4.8 kn | |
| Sun 25 Oct 2026 | Slack |
Station facts
- Position
- 53.6000° N, 129.6833° W
- Time zone
- America/Vancouver
- Country
- United States
How we check predictions — dated samples and their limits.
Nearby
- Skeena River, Middle Passage35.5 nm NNW
- Tuck Narrows, Prince Rupert Harbor52.0 nm NNW
- Meyers Narrows, Meyers Passage69.8 nm SSE
- Portland Inlet, 1.7 nm S. of Wales Pt70.0 nm NNW
- Wales Point, 1.7 nm south from70.0 nm NNW
- Boston Islands, 0.9 nm south from72.1 nm NNW