Rule
Mirror Lake
Ullswater - 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
Perfect Mirror Reflections at Dusk
Ullswater
Tomorrow · 18:00–19:00 · 1h window
Medium confidence
56%
💨Wind Speed0.7m/s
Glassy Mirror Reflections (glassy)
Ullswater
Tomorrow · 19:00–20:00
💨Wind Speed:0.1m/s
High
Perfect Mirror Reflections
Ullswater
Tomorrow · 20:00–21:00
💨Wind Speed:0.6m/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 | ||||
| 01:00 | 7.3m/s | 16m/s | 94% | 321m |
| 02:00 | 7.7m/s | 15m/s | 88% | 378m |
| 03:00 | 8.6m/s | 16m/s | 82% | 1300m |
| 04:00 | 8.1m/s | 16m/s | 78% | 12656m |
| 05:00 | 7.4m/s | 15m/s | 75% | 140m |
| 06:00 | 7.1m/s | 15m/s | 71% | 88m |
| 07:00 | 6.4m/s | 14m/s | 98% | 73m |
| 08:00 | 6.3m/s | 13m/s | 98% | 98m |
| 09:00 | 6m/s | 12m/s | 98% | 102m |
| 10:00 | 5.5m/s | 12m/s | 98% | 106m |
| 11:00 | 5.2m/s | 11m/s | 99% | 123m |
| 12:00 | 4.6m/s | 10m/s | 100% | 191m |
| 13:00 | 4.9m/s | 12m/s | 90% | 1256m |
| 14:00 | 5.9m/s | 13m/s | 80% | 379m |
| 15:00 | 5.3m/s | 12m/s | 70% | 135m |
| 16:00 | 4.4m/s | 10m/s | 80% | 1185m |
| 17:00 | 3.4m/s | 7.7m/s | 89% | 11461m |
| 18:00 | 3m/s | 7.1m/s | 99% | 11809m |
| 19:00 | 3.1m/s | 8.4m/s | 94% | 10080m |
| 20:00 | 3.6m/s | 9.5m/s | 88% | 9850m |
| 21:00 | 4.1m/s | 10m/s | 82% | 24135m |
| 22:00 | 4.7m/s | 11m/s | 86% | 21082m |
| 23:00 | 5.4m/s | 11m/s | 89% | 15010m |
| Mon, Feb 16 | ||||
| 24:00 | 5.2m/s | 9.7m/s | 93% | 188m |
| 01:00 | 5.7m/s | 12m/s | 68% | 115m |
| 02:00 | 5.7m/s | 12m/s | 44% | 10247m |
| 03:00 | 7.5m/s | 13m/s | 20% | 14680m |
| 04:00 | 7.4m/s | 13m/s | 26% | 14247m |
| 05:00 | 6.5m/s | 12m/s | 31% | 5355m |
| 06:00 | 6m/s | 12m/s | 37% | 6267m |
| 07:00 | 5.2m/s | 11m/s | 46% | 14210m |
| 08:00 | 4.6m/s | 10m/s | 55% | 14402m |
| 09:00 | 4.6m/s | 9.1m/s | 64% | 19130m |
| 10:00 | 4.1m/s | 7.8m/s | 65% | 24135m |
| 11:00 | 2.8m/s | 5.7m/s | 67% | 14903m |
| 12:00 | 2.8m/s | 6.5m/s | 69% | 10981m |
| 13:00 | 3.2m/s | 7.9m/s | 59% | 12836m |
| 14:00 | 4m/s | 8.5m/s | 49% | 5279m |
| 15:00 | 4.7m/s | 9.8m/s | 40% | 428m |
| 16:00 | 5.2m/s | 10m/s | 44% | 15372m |
| 17:00 | 6.2m/s | 11m/s | 48% | 24135m |
| 18:00 | 5.2m/s | 9.9m/s | 52% | 24135m |
| 19:00 | 5.6m/s | 9.7m/s | 45% | 2463m |
| 20:00 | 5.7m/s | 9.8m/s | 37% | 60m |
| 21:00 | 5m/s | 8.9m/s | 30% | 190m |
| 22:00 | 4m/s | 8.7m/s | 27% | 22927m |
| 23:00 | 3.1m/s | 7.1m/s | 25% | 24135m |
| Tue, Feb 17 | ||||
| 24:00 | 2.5m/s | 4.6m/s | 22% | 24135m |
| 01:00 | 3.1m/s | 8.8m/s | 15% | 24134m |
| 02:00 | 4.4m/s | 12m/s | 7.4% | 19571m |
| 03:00 | 3m/s | 6.8m/s | 0% | 11896m |
| 04:00 | 4.3m/s | 9.9m/s | 0% | 24134m |
| 05:00 | 3.4m/s | 9.9m/s | 0% | 24134m |
| 06:00 | 5.1m/s | 12m/s | 0% | 24134m |
| 07:00 | 4.7m/s | 11m/s | 0% | 24135m |
| 08:00 | 3.2m/s | 7.5m/s | 0% | 24134m |
| 09:00 | 2.9m/s | 7m/s | 0% | 24135m |
| 10:00 | 4.1m/s | 8.1m/s | 0% | 24135m |
| 11:00 | 5.1m/s | 9.8m/s | 0% | 24134m |
| 12:00 | 5.2m/s | 9m/s | 0% | 24135m |
| 13:00 | 4.2m/s | 7.1m/s | 0% | 24134m |
| 14:00 | 3.9m/s | 6.2m/s | 0% | 24135m |
| 15:00 | 3.2m/s | 5.7m/s | 0% | 24135m |
| 16:00 | 2.3m/s | 3.5m/s | 0% | 24135m |
| 17:00 | 1.9m/s | 1.9m/s | 0% | 24135m |
| 18:00 | 0.73m/s | 0.83m/s | 0% | 24135m |
| 19:00 | 0.15m/s | 0.22m/s | 0% | 24134m |
| 20:00 | 0.65m/s | 0.61m/s | 0% | 24135m |
| 21:00 | 1.1m/s | 1m/s | 0% | 24135m |
| 22:00 | 1.4m/s | 1.3m/s | 0% | 24135m |
| 23:00 | 2m/s | 1.9m/s | 0% | 24134m |
| Wed, Feb 18 | ||||
| 24:00 | 2.3m/s | 2.2m/s | 0% | 24134m |
| 01:00 | 2.5m/s | 2.7m/s | 17% | 24135m |
| 02:00 | 2.5m/s | 2.7m/s | 33% | 24135m |
| 03:00 | 2.6m/s | 2.8m/s | 50% | 24134m |
| 04:00 | 2.4m/s | 2.6m/s | 67% | 24134m |
| 05:00 | 2.3m/s | 2.3m/s | 83% | 24134m |
| 06:00 | 2.4m/s | 2.2m/s | 100% | 24134m |
| 07:00 | 4.4m/s | 6.5m/s | 100% | 24134m |
| 08:00 | 6.4m/s | 11m/s | 100% | 24135m |
| 09:00 | 8.4m/s | 15m/s | 100% | 24135m |
| 10:00 | 8.4m/s | 16m/s | 100% | 24135m |
| 11:00 | 8.3m/s | 16m/s | 100% | 24135m |
| 12:00 | 8.2m/s | 17m/s | 100% | 24135m |
| 13:00 | 8.5m/s | 17m/s | 100% | 24135m |
| 14:00 | 8.8m/s | 17m/s | 100% | 24135m |
| 15:00 | 9.1m/s | 17m/s | 100% | 24135m |
| 16:00 | 9m/s | 17m/s | 100% | 24135m |
| 17:00 | 9m/s | 17m/s | 100% | 24135m |
| 18:00 | 9m/s | 17m/s | 100% | 24135m |
| 19:00 | 8.1m/s | 16m/s | 95% | 24135m |
| 20:00 | 7.3m/s | 16m/s | 90% | 24135m |
| 21:00 | 6.4m/s | 15m/s | 85% | 24135m |
| 22:00 | 5.6m/s | 14m/s | 90% | 24135m |
| 23:00 | 4.7m/s | 13m/s | 95% | 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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