Rule
Mirror Lake
Porvoo - Mirror Lake - Southern Finland
Porvoo, 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 Sunset
Porvoo
Today · 18:00–19:00 · 1h window
Medium confidence
61%
💨Wind Speed0.9m/s
Glassy Mirror Reflections (glassy)
Porvoo
Today · 19:00–01:00
💨Wind Speed:0.2-1m/s
Medium
Perfect Mirror Reflections
Porvoo
Tomorrow · 02:00–03:00
💨Wind Speed:0.9m/s
Medium
Perfect Mirror Reflections
Porvoo
Sat, Mar 7 · 16:00–17:00
💨Wind Speed:1m/s
Medium
Perfect Mirror Reflections at Sunset
Porvoo
Sat, Mar 7 · 17:00–18:00
💨Wind Speed:0.8m/s
Medium
Perfect Mirror Reflections
Porvoo
Tue, Mar 10 · 22:00–01:00
💨Wind Speed:0.8-0.9m/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 |
|---|---|---|---|---|
| Wed, Mar 4 | ||||
| 07:00 | 4.4m/s | 14m/s | 0% | 24134m |
| 08:00 | 4.7m/s | 15m/s | 0% | 24134m |
| 09:00 | 4.5m/s | 14m/s | 7.4% | 24135m |
| 10:00 | 5m/s | 13m/s | 15% | 24135m |
| 11:00 | 5.6m/s | 13m/s | 22% | 24134m |
| 12:00 | 5.9m/s | 13m/s | 28% | 24135m |
| 13:00 | 5.5m/s | 13m/s | 33% | 24134m |
| 14:00 | 5m/s | 13m/s | 39% | 3180m |
| 15:00 | 4.9m/s | 12m/s | 50% | 1899m |
| 16:00 | 5m/s | 14m/s | 45% | 317m |
| 17:00 | 5.5m/s | 14m/s | 39% | 24135m |
| 18:00 | 5.8m/s | 14m/s | 39% | 24135m |
| 19:00 | 5.7m/s | 14m/s | 39% | 3051m |
| 20:00 | 5.5m/s | 13m/s | 39% | 24135m |
| 21:00 | 5.1m/s | 13m/s | 26% | 11877m |
| 22:00 | 5.4m/s | 13m/s | 13% | 24134m |
| 23:00 | 5.4m/s | 13m/s | 0% | 24134m |
| Thu, Mar 5 | ||||
| 24:00 | 5.5m/s | 13m/s | 0% | 24135m |
| 01:00 | 5.3m/s | 13m/s | 0% | 24135m |
| 02:00 | 5.4m/s | 14m/s | 0% | 24134m |
| 03:00 | 5.8m/s | 15m/s | 0% | 24135m |
| 04:00 | 5.2m/s | 14m/s | 0% | 24134m |
| 05:00 | 4.3m/s | 14m/s | 0% | 24134m |
| 06:00 | 3.6m/s | 13m/s | 0% | 24134m |
| 07:00 | 3.3m/s | 12m/s | 0% | 24135m |
| 08:00 | 2.9m/s | 11m/s | 0% | 24134m |
| 09:00 | 2.7m/s | 9.5m/s | 0% | 24135m |
| 10:00 | 3.4m/s | 8.3m/s | 0% | 24135m |
| 11:00 | 3.5m/s | 7.8m/s | 0% | 24134m |
| 12:00 | 3.6m/s | 7.2m/s | 0% | 24134m |
| 13:00 | 3.7m/s | 7.8m/s | 0% | 24134m |
| 14:00 | 3.3m/s | 7.9m/s | 0% | 24135m |
| 15:00 | 2.9m/s | 8m/s | 0% | 24134m |
| 16:00 | 2.6m/s | 7.8m/s | 0% | 24134m |
| 17:00 | 1.7m/s | 3.9m/s | 0% | 24134m |
| 18:00 | 0.91m/s | 0.91m/s | 0% | 24135m |
| 19:00 | 0.96m/s | 0.9m/s | 0% | 24135m |
| 20:00 | 0.93m/s | 0.91m/s | 0% | 24135m |
| 21:00 | 0.82m/s | 0.81m/s | 0% | 24134m |
| 22:00 | 0.23m/s | 0.31m/s | 0% | 24134m |
| 23:00 | 0.18m/s | 0.2m/s | 0% | 24134m |
| Fri, Mar 6 | ||||
| 24:00 | 0.59m/s | 0.51m/s | 0% | 20735m |
| 01:00 | 1.1m/s | 1m/s | 0% | 20632m |
| 02:00 | 0.94m/s | 1.3m/s | 0% | 21797m |
| 03:00 | 1m/s | 2.3m/s | 0% | 22559m |
| 04:00 | 1.2m/s | 2.5m/s | 0% | 22568m |
| 05:00 | 1.2m/s | 2.5m/s | 0% | 23126m |
| 06:00 | 1.4m/s | 3.8m/s | 0% | 22687m |
| 07:00 | 1.5m/s | 4m/s | 0% | 22697m |
| 08:00 | 1.6m/s | 5.9m/s | 0% | 22640m |
| 09:00 | 1.9m/s | 6.1m/s | 0% | 22663m |
| 10:00 | 2.3m/s | 5.4m/s | 0% | 23091m |
| 11:00 | 2.5m/s | 5.3m/s | 0% | 24134m |
| 12:00 | 2.7m/s | 5.4m/s | 0% | 24134m |
| 13:00 | 2.8m/s | 6.1m/s | 0% | 24135m |
| 14:00 | 3.1m/s | 7.8m/s | 0% | 24134m |
| 15:00 | 3.4m/s | 10m/s | 0% | 24134m |
| 16:00 | 3.5m/s | 11m/s | 0% | 24135m |
| 17:00 | 3.6m/s | 12m/s | 0% | 24134m |
| 18:00 | 3.8m/s | 12m/s | 0% | 24134m |
| 19:00 | 3.7m/s | 12m/s | 0% | 24134m |
| 20:00 | 3.5m/s | 11m/s | 0% | 24135m |
| 21:00 | 3.2m/s | 10m/s | 0% | 24135m |
| 22:00 | 2.9m/s | 11m/s | 0% | 24134m |
| 23:00 | 2.9m/s | 11m/s | 0% | 24134m |
| Sat, Mar 7 | ||||
| 24:00 | 2.8m/s | 10m/s | 0% | 24134m |
| 01:00 | 3.4m/s | 9.8m/s | 0% | 24135m |
| 02:00 | 4.2m/s | 9m/s | 0% | 24135m |
| 03:00 | 3.3m/s | 9.6m/s | 0% | 24135m |
| 04:00 | 3.8m/s | 11m/s | 0% | 24135m |
| 05:00 | 3.9m/s | 11m/s | 0% | 24134m |
| 06:00 | 3.6m/s | 11m/s | 0% | 24135m |
| 07:00 | 3.2m/s | 11m/s | 0% | 24134m |
| 08:00 | 3.3m/s | 11m/s | 0% | 24135m |
| 09:00 | 2.7m/s | 8.5m/s | 0% | 24135m |
| 10:00 | 2.2m/s | 6.1m/s | 0% | 24135m |
| 11:00 | 1.6m/s | 3.6m/s | 0% | 24135m |
| 12:00 | 1.5m/s | 2.8m/s | 0% | 24135m |
| 13:00 | 1.4m/s | 2m/s | 0% | 24135m |
| 14:00 | 1.2m/s | 1.2m/s | 0% | 24135m |
| 15:00 | 1.1m/s | 1.1m/s | 0% | 24135m |
| 16:00 | 0.96m/s | 0.94m/s | 0% | 24135m |
| 17:00 | 0.82m/s | 0.81m/s | 0% | 24135m |
| 18:00 | 1.1m/s | 2.3m/s | 0% | 24135m |
| 19:00 | 1.5m/s | 3.7m/s | 0% | 24135m |
| 20:00 | 1.8m/s | 5.2m/s | 0% | 24135m |
| 21:00 | 1.9m/s | 6.1m/s | 0% | 24135m |
| 22:00 | 2.1m/s | 7.1m/s | 0% | 24135m |
| 23:00 | 2.2m/s | 8m/s | 0% | 24135m |
| Sun, Mar 8 | ||||
| 24:00 | 2.3m/s | 8.9m/s | 0% | 24135m |
| 01:00 | 2.5m/s | 9.8m/s | 0% | 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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