Rule
Mirror Lake
Biei - Mirror Lake - Japan
Biei, Hokkaido, Japan
Perfectly calm water for flawless reflections
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Asia/Tokyo
Next opportunity
Perfect Mirror Reflections
Biei
Tomorrow · 24:00–02:00 · 2h window
Medium confidence
44%
💨Wind Speed0.9m/s
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72-hour requirements breakdown
What passed or failed, hour by hourAND logic: all conditions required
Meets requirement
Misses requirement
Time Asia/Tokyo | Wind Speed ≤ 1.0m/s | Wind Gusts ≤ 2.0m/s | Precipitation Chance ≤ 10.0% | Visibility ≥ 5000.0m |
|---|---|---|---|---|
| Sat, Apr 18 | ||||
| 13:00 | 4.9m/s | 7.9m/s | 96% | 24135m |
| 14:00 | 5.6m/s | 8.1m/s | 98% | 24128m |
| 15:00 | 5.2m/s | 8.4m/s | 100% | 24135m |
| 16:00 | 5.1m/s | 7.8m/s | 92% | 17579m |
| 17:00 | 4.9m/s | 8.4m/s | 84% | 24133m |
| 18:00 | 5.1m/s | 9.5m/s | 76% | 17228m |
| 19:00 | 6.2m/s | 11m/s | 82% | 7243m |
| 20:00 | 5.2m/s | 9.7m/s | 89% | 16232m |
| 21:00 | 4.4m/s | 10m/s | 95% | 21459m |
| 22:00 | 5.1m/s | 11m/s | 80% | 24134m |
| 23:00 | 5.1m/s | 10m/s | 68% | 20214m |
| Sun, Apr 19 | ||||
| 24:00 | 4.5m/s | 9.2m/s | 56% | 20005m |
| 01:00 | 3.8m/s | 8.5m/s | 65% | 19997m |
| 02:00 | 2.8m/s | 6.8m/s | 73% | 20064m |
| 03:00 | 2m/s | 6.2m/s | 82% | 19978m |
| 04:00 | 1.6m/s | 6.9m/s | 78% | 1110m |
| 05:00 | 1.9m/s | 6.6m/s | 73% | 1080m |
| 06:00 | 2.5m/s | 6.7m/s | 69% | 17933m |
| 07:00 | 2.1m/s | 6.9m/s | 73% | 17362m |
| 08:00 | 2.4m/s | 6.2m/s | 78% | 24134m |
| 09:00 | 3.5m/s | 7.8m/s | 82% | 6135m |
| 10:00 | 3.7m/s | 7.3m/s | 55% | 14981m |
| 11:00 | 3.7m/s | 6.1m/s | 27% | 24134m |
| 12:00 | 3.7m/s | 7.2m/s | 0% | 24134m |
| 13:00 | 4.1m/s | 7.7m/s | 0% | 24135m |
| 14:00 | 4.9m/s | 7.6m/s | 0% | 24134m |
| 15:00 | 4.9m/s | 7m/s | 0% | 24135m |
| 16:00 | 4.4m/s | 6.3m/s | 0% | 24135m |
| 17:00 | 3.5m/s | 6.1m/s | 0% | 24135m |
| 18:00 | 2.6m/s | 4.1m/s | 0% | 24134m |
| 19:00 | 1.7m/s | 2m/s | 0% | 24134m |
| 20:00 | 1.3m/s | 1.4m/s | 0% | 24135m |
| 21:00 | 1.2m/s | 1.3m/s | 0% | 24135m |
| 22:00 | 1.2m/s | 1.2m/s | 0% | 24135m |
| 23:00 | 1.1m/s | 1.1m/s | 0% | 24134m |
| Mon, Apr 20 | ||||
| 24:00 | 0.9m/s | 0.9m/s | 0% | 24134m |
| 01:00 | 0.93m/s | 0.9m/s | 0% | 24135m |
| 02:00 | 1.3m/s | 1.2m/s | 0% | 24134m |
| 03:00 | 1.6m/s | 1.5m/s | 0% | 24135m |
| 04:00 | 2m/s | 1.8m/s | 0% | 24134m |
| 05:00 | 2.7m/s | 2.5m/s | 0% | 24135m |
| 06:00 | 2.1m/s | 3.3m/s | 0% | 24135m |
| 07:00 | 3.3m/s | 4.8m/s | 0% | 24134m |
| 08:00 | 3.6m/s | 5.1m/s | 0% | 24134m |
| 09:00 | 4.5m/s | 5.6m/s | 0% | 24135m |
| 10:00 | 4.6m/s | 5.4m/s | 0% | 24134m |
| 11:00 | 4.8m/s | 5.6m/s | 0% | 24135m |
| 12:00 | 4.7m/s | 5.8m/s | 0% | 24135m |
| 13:00 | 4.7m/s | 5.9m/s | 0% | 24135m |
| 14:00 | 5.2m/s | 6.5m/s | 0% | 24134m |
| 15:00 | 5.9m/s | 7.4m/s | 0% | 24134m |
| 16:00 | 5.2m/s | 7.3m/s | 0% | 24135m |
| 17:00 | 5.1m/s | 8.3m/s | 0% | 24135m |
| 18:00 | 5.1m/s | 8.4m/s | 0% | 24134m |
| 19:00 | 5.4m/s | 9.1m/s | 33% | 24135m |
| 20:00 | 5.7m/s | 9.6m/s | 67% | 24134m |
| 21:00 | 6.3m/s | 10m/s | 100% | 24135m |
| 22:00 | 6m/s | 10m/s | 89% | 24134m |
| 23:00 | 6.4m/s | 10m/s | 79% | 24135m |
| Tue, Apr 21 | ||||
| 24:00 | 6.2m/s | 10m/s | 68% | 24131m |
| 01:00 | 6.4m/s | 11m/s | 78% | 24133m |
| 02:00 | 6.1m/s | 10m/s | 89% | 20020m |
| 03:00 | 5.7m/s | 9.2m/s | 99% | 19851m |
| 04:00 | 6.1m/s | 9.8m/s | 97% | 18787m |
| 05:00 | 6.4m/s | 11m/s | 96% | 9955m |
| 06:00 | 6.2m/s | 13m/s | 94% | 5970m |
| 07:00 | 5.4m/s | 12m/s | 95% | 6223m |
| 08:00 | 4.6m/s | 8.6m/s | 96% | 8796m |
| 09:00 | 4.2m/s | 9.5m/s | 98% | 24135m |
| 10:00 | 4.4m/s | 9.6m/s | 93% | 19344m |
| 11:00 | 4.6m/s | 9.6m/s | 88% | 14553m |
| 12:00 | 4.8m/s | 9.6m/s | 83% | 9762m |
| 13:00 | 4.7m/s | 9.7m/s | 83% | 14553m |
| 14:00 | 4.5m/s | 9.8m/s | 83% | 19344m |
| 15:00 | 4.3m/s | 9.9m/s | 84% | 24135m |
| 16:00 | 4m/s | 8.5m/s | 68% | 24135m |
| 17:00 | 3.7m/s | 7.1m/s | 53% | 24135m |
| 18:00 | 3.3m/s | 5.6m/s | 38% | 24135m |
| 19:00 | 3.4m/s | 5.9m/s | 53% | 24135m |
| 20:00 | 3.5m/s | 6.2m/s | 69% | 24135m |
| 21:00 | 3.6m/s | 6.4m/s | 85% | 24135m |
| 22:00 | 3.7m/s | 8.2m/s | 81% | 23945m |
| 23:00 | 3.9m/s | 10m/s | 78% | 23755m |
| Wed, Apr 22 | ||||
| 24:00 | 4m/s | 12m/s | 74% | 23565m |
| 01:00 | 5.1m/s | 12m/s | 79% | 19787m |
| 02:00 | 6.2m/s | 12m/s | 85% | 16010m |
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).
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