Rule
Mirror Lake
Helsinki - Mirror Lake - Southern Finland
Helsingfors, Uusimaa, Finland
Perfectly calm water for flawless reflections
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/Helsinki
Next opportunity
Perfect Mirror Reflections at Sunrise
Helsinki
Tomorrow · 07:00–09:00 · 2h window
Medium confidence
49%
💨Wind Speed0.7m/s
Glassy Mirror Reflections (glassy)
Helsinki
Tomorrow · 09:00–13:00
💨Wind Speed:0.1-0.8m/s
Medium
Perfect Mirror Reflections
Helsinki
Wed, Feb 25 · 24:00–02:00
💨Wind Speed:0.9m/s
Low
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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/Helsinki | Wind Speed ≤ 1.0m/s | Wind Gusts ≤ 2.0m/s | Precipitation Chance ≤ 10.0% | Visibility ≥ 5000.0m |
|---|---|---|---|---|
| Sat, Feb 21 | ||||
| 21:00 | 5.5m/s | 13m/s | 100% | 165m |
| 22:00 | 5.2m/s | 13m/s | 100% | 165m |
| 23:00 | 4.9m/s | 12m/s | 100% | 130m |
| Sun, Feb 22 | ||||
| 24:00 | 4.8m/s | 12m/s | 100% | 122m |
| 01:00 | 4.7m/s | 11m/s | 100% | 126m |
| 02:00 | 4.5m/s | 11m/s | 100% | 126m |
| 03:00 | 4.2m/s | 11m/s | 75% | 119m |
| 04:00 | 3.5m/s | 9.9m/s | 49% | 116m |
| 05:00 | 2.8m/s | 8.9m/s | 24% | 125m |
| 06:00 | 2.4m/s | 7.9m/s | 29% | 141m |
| 07:00 | 2.7m/s | 9.6m/s | 34% | 303m |
| 08:00 | 5.5m/s | 12m/s | 39% | 4072m |
| 09:00 | 6.1m/s | 14m/s | 0% | 24134m |
| 10:00 | 6.3m/s | 15m/s | 0% | 24134m |
| 11:00 | 6.3m/s | 15m/s | 0% | 24135m |
| 12:00 | 6m/s | 15m/s | 0% | 24135m |
| 13:00 | 5.9m/s | 14m/s | 0% | 24135m |
| 14:00 | 5.7m/s | 13m/s | 0% | 24134m |
| 15:00 | 5.7m/s | 13m/s | 0% | 24135m |
| 16:00 | 5.2m/s | 12m/s | 0% | 24135m |
| 17:00 | 4.5m/s | 12m/s | 0% | 24135m |
| 18:00 | 4.2m/s | 12m/s | 0% | 24135m |
| 19:00 | 3.8m/s | 11m/s | 0% | 24135m |
| 20:00 | 3.7m/s | 12m/s | 0% | 24135m |
| 21:00 | 3.5m/s | 11m/s | 0% | 24134m |
| 22:00 | 2.9m/s | 9.5m/s | 0% | 24134m |
| 23:00 | 2.2m/s | 6.9m/s | 0% | 24135m |
| Mon, Feb 23 | ||||
| 24:00 | 2m/s | 2.4m/s | 0% | 21345m |
| 01:00 | 1.8m/s | 1.6m/s | 0% | 7044m |
| 02:00 | 1.9m/s | 1.8m/s | 0% | 7043m |
| 03:00 | 1.7m/s | 1.6m/s | 0% | 7044m |
| 04:00 | 1.7m/s | 1.5m/s | 0% | 7146m |
| 05:00 | 1.4m/s | 1.3m/s | 0% | 10288m |
| 06:00 | 1.1m/s | 1.1m/s | 0% | 10371m |
| 07:00 | 0.75m/s | 0.72m/s | 0% | 10371m |
| 08:00 | 0.68m/s | 0.61m/s | 0% | 10300m |
| 09:00 | 0.36m/s | 0.3m/s | 0% | 24135m |
| 10:00 | 0.1m/s | 0.2m/s | 0% | 24134m |
| 11:00 | 0.38m/s | 0.31m/s | 0% | 24135m |
| 12:00 | 0.78m/s | 0.61m/s | 0% | 24134m |
| 13:00 | 1.4m/s | 1.3m/s | 0% | 24134m |
| 14:00 | 1.5m/s | 1.4m/s | 0% | 24135m |
| 15:00 | 1.5m/s | 1.7m/s | 0% | 24134m |
| 16:00 | 1.6m/s | 2.1m/s | 0% | 22639m |
| 17:00 | 1.4m/s | 1.3m/s | 0% | 15624m |
| 18:00 | 1.6m/s | 1.5m/s | 0% | 11411m |
| 19:00 | 1.5m/s | 1.4m/s | 0% | 6129m |
| 20:00 | 1.5m/s | 1.4m/s | 0% | 6657m |
| 21:00 | 1.9m/s | 1.8m/s | 0% | 6546m |
| 22:00 | 1.8m/s | 1.7m/s | 0% | 16640m |
| 23:00 | 1.9m/s | 2.5m/s | 0% | 17413m |
| Tue, Feb 24 | ||||
| 24:00 | 2.1m/s | 2.5m/s | 0% | 17413m |
| 01:00 | 1.9m/s | 2.7m/s | 0% | 23149m |
| 02:00 | 2m/s | 2.7m/s | 0% | 16626m |
| 03:00 | 2.1m/s | 2.7m/s | 0% | 12990m |
| 04:00 | 1.9m/s | 3.9m/s | 0% | 9293m |
| 05:00 | 2.1m/s | 4m/s | 0% | 7665m |
| 06:00 | 2m/s | 4.7m/s | 0% | 8615m |
| 07:00 | 1.8m/s | 3.8m/s | 0% | 8548m |
| 08:00 | 1.9m/s | 5m/s | 0% | 9465m |
| 09:00 | 2.1m/s | 4.7m/s | 0% | 23736m |
| 10:00 | 2.1m/s | 3.5m/s | 0% | 23590m |
| 11:00 | 2.1m/s | 3.4m/s | 0% | 23740m |
| 12:00 | 2.2m/s | 3.4m/s | 17% | 23793m |
| 13:00 | 2.2m/s | 3.5m/s | 33% | 24134m |
| 14:00 | 2.1m/s | 3.3m/s | 50% | 24135m |
| 15:00 | 2.1m/s | 3.3m/s | 52% | 24134m |
| 16:00 | 1.5m/s | 3m/s | 53% | 24135m |
| 17:00 | 1.4m/s | 2.2m/s | 55% | 24135m |
| 18:00 | 1.3m/s | 1.3m/s | 70% | 18673m |
| 19:00 | 1.3m/s | 1.5m/s | 85% | 17375m |
| 20:00 | 1.2m/s | 1.4m/s | 100% | 17242m |
| 21:00 | 1.1m/s | 1.2m/s | 67% | 16923m |
| 22:00 | 0.94m/s | 1m/s | 33% | 13262m |
| 23:00 | 1m/s | 1m/s | 0% | 10271m |
| Wed, Feb 25 | ||||
| 24:00 | 0.9m/s | 0.92m/s | 0% | 9992m |
| 01:00 | 0.9m/s | 0.9m/s | 0% | 9884m |
| 02:00 | 1.2m/s | 1.2m/s | 0% | 9876m |
| 03:00 | 1.6m/s | 1.9m/s | 0% | 11665m |
| 04:00 | 2.1m/s | 2.6m/s | 0% | 13454m |
| 05:00 | 2.5m/s | 3.3m/s | 0% | 15243m |
| 06:00 | 2.4m/s | 3.1m/s | 0% | 15599m |
| 07:00 | 2.3m/s | 2.9m/s | 0% | 15954m |
| 08:00 | 2.2m/s | 2.6m/s | 0% | 16310m |
| 09:00 | 2.2m/s | 2.5m/s | 1.7% | 18561m |
| 10:00 | 2.2m/s | 2.4m/s | 3.3% | 20813m |
| 11:00 | 2.2m/s | 2.2m/s | 5% | 23065m |
| 12:00 | 2.5m/s | 3.4m/s | 3.3% | 23422m |
| 13:00 | 2.9m/s | 4.6m/s | 1.7% | 23778m |
| 14:00 | 3.3m/s | 5.9m/s | 0% | 24135m |
| 15:00 | 3.8m/s | 6.8m/s | 0% | 24135m |
| 16:00 | 4.3m/s | 7.8m/s | 0% | 24135m |
| 17:00 | 4.9m/s | 8.7m/s | 0% | 24135m |
| 18:00 | 5.2m/s | 9.3m/s | 17% | 24135m |
| 19:00 | 5.6m/s | 9.9m/s | 33% | 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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