Rule
Mirror Lake
Tarn Hows - Mirror Lake - Lake District
Hawkshead, 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
Perfect Mirror Reflections at Dusk
Tarn Hows
Tomorrow · 18:00–19:00 · 1h window
Medium confidence
58%
💨Wind Speed1m/s
Perfect Mirror Reflections
Tarn Hows
Tomorrow · 19:00–20:00
💨Wind Speed:0.9m/s
Medium
Perfect Mirror Reflections
Tarn Hows
Wed, Feb 18 · 24:00–01:00
💨Wind Speed:0.9m/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 |
|---|---|---|---|---|
| Sun, Feb 15 | ||||
| 19:00 | 1.9m/s | 4.2m/s | 94% | 59m |
| 20:00 | 2.8m/s | 9.1m/s | 88% | 176m |
| 21:00 | 2.6m/s | 8.1m/s | 82% | 300m |
| 22:00 | 3.5m/s | 12m/s | 86% | 928m |
| 23:00 | 5.5m/s | 12m/s | 89% | 102m |
| Mon, Feb 16 | ||||
| 24:00 | 4.4m/s | 13m/s | 93% | 81m |
| 01:00 | 5.8m/s | 13m/s | 78% | 621m |
| 02:00 | 5.1m/s | 13m/s | 59% | 24134m |
| 03:00 | 6.3m/s | 14m/s | 39% | 24134m |
| 04:00 | 5.9m/s | 13m/s | 47% | 4791m |
| 05:00 | 6m/s | 12m/s | 54% | 10293m |
| 06:00 | 6.2m/s | 12m/s | 62% | 16928m |
| 07:00 | 4.9m/s | 9.5m/s | 90% | 3521m |
| 08:00 | 3.6m/s | 11m/s | 86% | 10499m |
| 09:00 | 3.4m/s | 9.5m/s | 82% | 24135m |
| 10:00 | 3.8m/s | 10m/s | 88% | 9480m |
| 11:00 | 4.3m/s | 11m/s | 93% | 599m |
| 12:00 | 3.9m/s | 9.8m/s | 99% | 14545m |
| 13:00 | 4.6m/s | 10m/s | 94% | 24134m |
| 14:00 | 6.2m/s | 11m/s | 96% | 24135m |
| 15:00 | 6.1m/s | 11m/s | 97% | 24135m |
| 16:00 | 4.2m/s | 9.8m/s | 98% | 24135m |
| 17:00 | 3.5m/s | 6.3m/s | 99% | 24134m |
| 18:00 | 3.3m/s | 6.3m/s | 100% | 24135m |
| 19:00 | 3.3m/s | 7m/s | 66% | 11357m |
| 20:00 | 2.1m/s | 3m/s | 33% | 180m |
| 21:00 | 2.4m/s | 2.8m/s | 0% | 32m |
| 22:00 | 3.7m/s | 6.2m/s | 0% | 23m |
| 23:00 | 4.7m/s | 12m/s | 0% | 585m |
| Tue, Feb 17 | ||||
| 24:00 | 2.8m/s | 5.8m/s | 0% | 24135m |
| 01:00 | 2.3m/s | 2.2m/s | 0% | 24135m |
| 02:00 | 2.3m/s | 2.2m/s | 0% | 24134m |
| 03:00 | 3.1m/s | 5.9m/s | 0% | 24135m |
| 04:00 | 3.7m/s | 5.6m/s | 0% | 24135m |
| 05:00 | 3.5m/s | 5.8m/s | 0% | 24134m |
| 06:00 | 3.7m/s | 5.9m/s | 0% | 24135m |
| 07:00 | 3.1m/s | 5.2m/s | 0% | 24134m |
| 08:00 | 2.8m/s | 3.8m/s | 0% | 24135m |
| 09:00 | 2.6m/s | 5.3m/s | 0% | 24134m |
| 10:00 | 3m/s | 9.7m/s | 0% | 24134m |
| 11:00 | 3.8m/s | 8.7m/s | 0% | 24135m |
| 12:00 | 4.9m/s | 8.5m/s | 0% | 24134m |
| 13:00 | 3.8m/s | 6.7m/s | 0% | 24134m |
| 14:00 | 3.6m/s | 6.1m/s | 0% | 24135m |
| 15:00 | 3.1m/s | 5.8m/s | 0% | 24134m |
| 16:00 | 2.2m/s | 3.8m/s | 0% | 24134m |
| 17:00 | 1.1m/s | 1.1m/s | 0% | 24135m |
| 18:00 | 0.97m/s | 0.92m/s | 0% | 24135m |
| 19:00 | 0.91m/s | 0.9m/s | 0% | 24134m |
| 20:00 | 1.4m/s | 1.4m/s | 0% | 24134m |
| 21:00 | 1.3m/s | 1.2m/s | 0% | 24135m |
| 22:00 | 1.2m/s | 1.1m/s | 0% | 24135m |
| 23:00 | 1.1m/s | 1.1m/s | 0% | 24135m |
| Wed, Feb 18 | ||||
| 24:00 | 0.92m/s | 0.91m/s | 0% | 24135m |
| 01:00 | 0.93m/s | 0.91m/s | 17% | 24134m |
| 02:00 | 1.1m/s | 1m/s | 33% | 24135m |
| 03:00 | 1.4m/s | 1.4m/s | 50% | 24135m |
| 04:00 | 1.7m/s | 1.6m/s | 67% | 24135m |
| 05:00 | 1.8m/s | 1.7m/s | 83% | 24135m |
| 06:00 | 1.7m/s | 2.3m/s | 100% | 24135m |
| 07:00 | 2m/s | 4.3m/s | 83% | 24135m |
| 08:00 | 2.2m/s | 11m/s | 67% | 24135m |
| 09:00 | 4m/s | 12m/s | 50% | 24135m |
| 10:00 | 5.8m/s | 13m/s | 67% | 24135m |
| 11:00 | 8.2m/s | 14m/s | 83% | 24134m |
| 12:00 | 8.9m/s | 15m/s | 100% | 24134m |
| 13:00 | 9.2m/s | 15m/s | 83% | 24135m |
| 14:00 | 9.4m/s | 16m/s | 67% | 24134m |
| 15:00 | 9.5m/s | 16m/s | 50% | 24135m |
| 16:00 | 9.6m/s | 17m/s | 50% | 24135m |
| 17:00 | 9.8m/s | 18m/s | 50% | 24134m |
| 18:00 | 9m/s | 18m/s | 50% | 24135m |
| 19:00 | 10m/s | 19m/s | 50% | 24134m |
| 20:00 | 10m/s | 18m/s | 50% | 24135m |
| 21:00 | 10m/s | 18m/s | 50% | 24135m |
| 22:00 | 9.9m/s | 18m/s | 50% | 24134m |
| 23:00 | 8.9m/s | 17m/s | 50% | 24135m |
| Thu, Feb 19 | ||||
| 24:00 | 8.8m/s | 16m/s | 50% | 24134m |
| 01:00 | 7.3m/s | 15m/s | 41% | 24134m |
| 02:00 | 5.8m/s | 13m/s | 31% | 24135m |
| 03:00 | 4.3m/s | 12m/s | 22% | 24135m |
| 04:00 | 3.8m/s | 9.4m/s | 31% | 24135m |
| 05:00 | 3.2m/s | 7.1m/s | 41% | 24135m |
| 06:00 | 2.7m/s | 4.8m/s | 50% | 24135m |
| 07:00 | 2.6m/s | 4.6m/s | 33% | 24135m |
| 08:00 | 2.5m/s | 4.3m/s | 17% | 24135m |
| 09:00 | 2.4m/s | 4.1m/s | 0% | 24135m |
| 10:00 | 2.4m/s | 3.5m/s | 17% | 24135m |
| 11:00 | 2.4m/s | 2.9m/s | 33% | 24135m |
| 12:00 | 2.5m/s | 2.3m/s | 50% | 24135m |
| 13:00 | 2.8m/s | 3.8m/s | 43% | 24135m |
| 14:00 | 3.2m/s | 5.3m/s | 37% | 24135m |
| 15:00 | 3.5m/s | 6.9m/s | 30% | 24135m |
| 16:00 | 4m/s | 8m/s | 37% | 24135m |
| 17:00 | 4.5m/s | 9.1m/s | 43% | 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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