Rule
Mirror Lake
Derwentwater - Mirror Lake - Lake District
Penrith, England, United Kingdom
Perfectly calm water for flawless reflections
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/London
Next opportunity
Glassy Mirror Reflections (glassy)
Derwentwater
Tomorrow · 15:00–17:00 · 2h window
Low confidence
39%
💨Wind Speed0.4-0.6m/s
Glassy Mirror Reflections (glassy) at Sunset
Derwentwater
Tomorrow · 17:00–19:00
💨Wind Speed:0.1-0.6m/s
Medium
Perfect Mirror Reflections
Derwentwater
Tomorrow · 19:00–20:00
💨Wind Speed:1m/s
Medium
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72-hour requirements breakdown
What passed or failed, hour by hourAND logic: all conditions required
Meets requirement
Misses requirement
Time Europe/London | Wind Speed ≤ 1.0m/s | Wind Gusts ≤ 2.0m/s | Precipitation Chance ≤ 10.0% | Visibility ≥ 5000.0m |
|---|---|---|---|---|
| Wed, Mar 4 | ||||
| 04:00 | 3.7m/s | 6.7m/s | 0% | 24134m |
| 05:00 | 3.7m/s | 7.8m/s | 0% | 24134m |
| 06:00 | 3.4m/s | 6.9m/s | 0% | 24134m |
| 07:00 | 3.6m/s | 6.9m/s | 0% | 24135m |
| 08:00 | 3.9m/s | 7.8m/s | 0% | 24135m |
| 09:00 | 4.2m/s | 8.4m/s | 0% | 24134m |
| 10:00 | 4.8m/s | 9.3m/s | 0% | 24135m |
| 11:00 | 5.7m/s | 10m/s | 0% | 24134m |
| 12:00 | 5.6m/s | 10m/s | 0% | 24134m |
| 13:00 | 5.4m/s | 9.4m/s | 0% | 24134m |
| 14:00 | 6m/s | 9.3m/s | 0% | 24134m |
| 15:00 | 5.6m/s | 9.1m/s | 0% | 24135m |
| 16:00 | 5m/s | 9.3m/s | 0% | 24135m |
| 17:00 | 4m/s | 7.4m/s | 0% | 24135m |
| 18:00 | 3.8m/s | 6.6m/s | 0% | 24135m |
| 19:00 | 3.6m/s | 6.3m/s | 0% | 24135m |
| 20:00 | 3.7m/s | 7.2m/s | 0% | 24134m |
| 21:00 | 3.7m/s | 11m/s | 0% | 24134m |
| 22:00 | 4.3m/s | 11m/s | 0% | 24135m |
| 23:00 | 4.9m/s | 13m/s | 0% | 24135m |
| Thu, Mar 5 | ||||
| 24:00 | 5.3m/s | 13m/s | 0% | 24134m |
| 01:00 | 5.2m/s | 13m/s | 0% | 24135m |
| 02:00 | 4.8m/s | 12m/s | 0% | 24134m |
| 03:00 | 4.1m/s | 8.5m/s | 0% | 24134m |
| 04:00 | 4m/s | 8.4m/s | 0% | 24134m |
| 05:00 | 4.3m/s | 8.6m/s | 0% | 24135m |
| 06:00 | 4.4m/s | 8.6m/s | 0% | 24134m |
| 07:00 | 4.1m/s | 8.2m/s | 13% | 24135m |
| 08:00 | 3.8m/s | 8m/s | 26% | 24135m |
| 09:00 | 3.8m/s | 8.2m/s | 39% | 24134m |
| 10:00 | 4.5m/s | 9.4m/s | 42% | 24134m |
| 11:00 | 5m/s | 8.8m/s | 46% | 24134m |
| 12:00 | 5.3m/s | 8.6m/s | 49% | 24135m |
| 13:00 | 5.3m/s | 8.3m/s | 55% | 24134m |
| 14:00 | 5.1m/s | 8.1m/s | 60% | 24134m |
| 15:00 | 4.5m/s | 7.6m/s | 65% | 24134m |
| 16:00 | 3.5m/s | 7.5m/s | 73% | 24135m |
| 17:00 | 1.5m/s | 3.2m/s | 80% | 24135m |
| 18:00 | 1.4m/s | 1.8m/s | 87% | 14607m |
| 19:00 | 2.8m/s | 3.5m/s | 79% | 2169m |
| 20:00 | 5m/s | 7.9m/s | 70% | 170m |
| 21:00 | 3.2m/s | 7.8m/s | 61% | 393m |
| 22:00 | 2.9m/s | 6m/s | 69% | 2408m |
| 23:00 | 2.8m/s | 4.4m/s | 76% | 1427m |
| Fri, Mar 6 | ||||
| 24:00 | 2.5m/s | 4m/s | 84% | 2398m |
| 01:00 | 3.3m/s | 4.4m/s | 80% | 639m |
| 02:00 | 4.1m/s | 5.8m/s | 76% | 277m |
| 03:00 | 4m/s | 7.3m/s | 73% | 43m |
| 04:00 | 3.6m/s | 6.6m/s | 77% | 28m |
| 05:00 | 2.9m/s | 5m/s | 82% | 24m |
| 06:00 | 2.8m/s | 5.4m/s | 87% | 27m |
| 07:00 | 2.8m/s | 5.9m/s | 71% | 29m |
| 08:00 | 2.5m/s | 5.3m/s | 55% | 47m |
| 09:00 | 2.6m/s | 4.5m/s | 39% | 100m |
| 10:00 | 2.3m/s | 3.6m/s | 33% | 178m |
| 11:00 | 1.8m/s | 3.4m/s | 28% | 9949m |
| 12:00 | 2m/s | 3m/s | 22% | 14881m |
| 13:00 | 1.6m/s | 2.4m/s | 16% | 24134m |
| 14:00 | 1.1m/s | 1.8m/s | 11% | 24135m |
| 15:00 | 0.63m/s | 1.2m/s | 4.9% | 24134m |
| 16:00 | 0.37m/s | 1.1m/s | 3.3% | 24134m |
| 17:00 | 0.14m/s | 0.12m/s | 1.6% | 24134m |
| 18:00 | 0.6m/s | 0.63m/s | 0% | 24135m |
| 19:00 | 0.98m/s | 0.91m/s | 0% | 24135m |
| 20:00 | 1.1m/s | 1.1m/s | 0% | 24134m |
| 21:00 | 1.4m/s | 1.4m/s | 0% | 24134m |
| 22:00 | 1.6m/s | 1.6m/s | 0% | 24134m |
| 23:00 | 2.1m/s | 2m/s | 0% | 24135m |
| Sat, Mar 7 | ||||
| 24:00 | 1.9m/s | 1.9m/s | 0% | 24135m |
| 01:00 | 1.9m/s | 1.8m/s | 0% | 24135m |
| 02:00 | 1.9m/s | 1.8m/s | 0% | 24135m |
| 03:00 | 1.8m/s | 1.7m/s | 0% | 24134m |
| 04:00 | 1.8m/s | 1.7m/s | 0% | 24135m |
| 05:00 | 1.9m/s | 1.9m/s | 0% | 24134m |
| 06:00 | 2.4m/s | 2.3m/s | 0% | 24135m |
| 07:00 | 2.6m/s | 2.9m/s | 0% | 24135m |
| 08:00 | 2.8m/s | 3.5m/s | 0% | 24135m |
| 09:00 | 3m/s | 4.1m/s | 0% | 24135m |
| 10:00 | 2.6m/s | 3.6m/s | 0% | 24135m |
| 11:00 | 2.3m/s | 3.1m/s | 0% | 24135m |
| 12:00 | 2m/s | 2.6m/s | 0% | 24135m |
| 13:00 | 1.9m/s | 2.8m/s | 0% | 24135m |
| 14:00 | 1.9m/s | 3.1m/s | 0% | 24135m |
| 15:00 | 1.8m/s | 3.3m/s | 0% | 24135m |
| 16:00 | 1.9m/s | 3.1m/s | 13% | 24135m |
| 17:00 | 1.9m/s | 2.9m/s | 26% | 24135m |
| 18:00 | 2m/s | 2.7m/s | 39% | 24135m |
| 19:00 | 2m/s | 2.8m/s | 26% | 24135m |
| 20:00 | 2m/s | 2.9m/s | 13% | 24135m |
| 21:00 | 1.9m/s | 3m/s | 0% | 24135m |
| 22:00 | 1.8m/s | 2.9m/s | 5.6% | 24135m |
| 23:00 | 1.7m/s | 2.9m/s | 11% | 24135m |
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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