Rule
Mirror Lake
Porvoo - Mirror Lake - Southern Finland
Porvoo, Uusimaa, Finland
Perfectly calm water for flawless reflections
No opportunities right now
Here’s what usually blocks matches
No Mirror Lake opportunities in the next 14 days
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Rule requirements (key thresholds)
Wind Speed · ≤ 1.0m/s Wind Gusts · ≤ 2.0m/s Precipitation Chance · ≤ 10.0% Visibility · ≥ 5000.0m
Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.
Most common blockers (next 72 hours)
Wind Speed 100% failing
Wind Gusts 93% failing
Precipitation Chance 50% failing
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/Helsinki
No opportunities in the next 10 days
See the blocker timeline below to understand which conditions are preventing matches.
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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 |
|---|---|---|---|---|
| Tue, Feb 17 | ||||
| 21:00 | 0.85m/s | 0.9m/s | 0% | 6545m |
| 22:00 | 0.93m/s | 0.91m/s | 0% | 6545m |
| 23:00 | 1.1m/s | 1m/s | 0% | 6545m |
| Wed, Feb 18 | ||||
| 24:00 | 1.2m/s | 1.2m/s | 0% | 6545m |
| 01:00 | 1.2m/s | 1.2m/s | 0% | 6544m |
| 02:00 | 1.2m/s | 1.3m/s | 0% | 6544m |
| 03:00 | 0.81m/s | 0.82m/s | 0% | 6544m |
| 04:00 | 0.97m/s | 0.93m/s | 0% | 6545m |
| 05:00 | 0.94m/s | 0.9m/s | 0% | 6544m |
| 06:00 | 1.1m/s | 1m/s | 0% | 6543m |
| 07:00 | 1m/s | 1m/s | 0% | 6544m |
| 08:00 | 1.2m/s | 1.3m/s | 0% | 5827m |
| 09:00 | 1.6m/s | 5.8m/s | 0% | 6547m |
| 10:00 | 2.2m/s | 5.5m/s | 0% | 24134m |
| 11:00 | 2.7m/s | 5.4m/s | 0% | 24134m |
| 12:00 | 2.8m/s | 5m/s | 0% | 24134m |
| 13:00 | 2.8m/s | 4.8m/s | 0% | 24134m |
| 14:00 | 3m/s | 5.1m/s | 0% | 24134m |
| 15:00 | 3.1m/s | 5.9m/s | 0% | 24135m |
| 16:00 | 2.9m/s | 7.6m/s | 0% | 10443m |
| 17:00 | 2.9m/s | 8m/s | 0.001% | 6580m |
| 18:00 | 2.5m/s | 7.6m/s | 13% | 6463m |
| 19:00 | 2.3m/s | 7.8m/s | 26% | 6546m |
| 20:00 | 2.1m/s | 6.9m/s | 39% | 6547m |
| 21:00 | 1.9m/s | 6.6m/s | 37% | 6548m |
| 22:00 | 2m/s | 6.4m/s | 36% | 5748m |
| 23:00 | 2m/s | 6.5m/s | 34% | 5668m |
| Thu, Feb 19 | ||||
| 24:00 | 2.1m/s | 6.8m/s | 44% | 5542m |
| 01:00 | 2.2m/s | 6.5m/s | 54% | 4186m |
| 02:00 | 2.3m/s | 6.8m/s | 64% | 3267m |
| 03:00 | 2.5m/s | 7m/s | 61% | 1374m |
| 04:00 | 2.7m/s | 7.1m/s | 59% | 756m |
| 05:00 | 2.6m/s | 7.1m/s | 56% | 505m |
| 06:00 | 2.5m/s | 7.1m/s | 59% | 429m |
| 07:00 | 2.4m/s | 6.6m/s | 61% | 360m |
| 08:00 | 2.6m/s | 6.6m/s | 64% | 456m |
| 09:00 | 2.8m/s | 7.1m/s | 56% | 220m |
| 10:00 | 2.9m/s | 6.1m/s | 47% | 401m |
| 11:00 | 2.7m/s | 5.1m/s | 39% | 401m |
| 12:00 | 2.7m/s | 5m/s | 33% | 579m |
| 13:00 | 2.4m/s | 4.1m/s | 28% | 3323m |
| 14:00 | 2.4m/s | 4m/s | 22% | 8519m |
| 15:00 | 2.4m/s | 4.2m/s | 15% | 21305m |
| 16:00 | 2.2m/s | 4.7m/s | 7.4% | 24135m |
| 17:00 | 2.2m/s | 5.3m/s | 0% | 24134m |
| 18:00 | 2.2m/s | 6.7m/s | 0% | 24134m |
| 19:00 | 2.6m/s | 7.2m/s | 0% | 24135m |
| 20:00 | 2.8m/s | 7.5m/s | 0% | 24135m |
| 21:00 | 2.7m/s | 8m/s | 0% | 24134m |
| 22:00 | 2.7m/s | 8.1m/s | 0% | 24134m |
| 23:00 | 2.8m/s | 8m/s | 0% | 24134m |
| Fri, Feb 20 | ||||
| 24:00 | 2.9m/s | 8.7m/s | 0% | 24135m |
| 01:00 | 3.2m/s | 10m/s | 0% | 24134m |
| 02:00 | 3.6m/s | 11m/s | 0% | 24135m |
| 03:00 | 3.6m/s | 12m/s | 0% | 24135m |
| 04:00 | 3.6m/s | 12m/s | 0% | 24134m |
| 05:00 | 3.5m/s | 11m/s | 0% | 24134m |
| 06:00 | 3.8m/s | 12m/s | 0% | 24134m |
| 07:00 | 3.9m/s | 12m/s | 0% | 24134m |
| 08:00 | 3.8m/s | 12m/s | 0% | 24134m |
| 09:00 | 4m/s | 12m/s | 0% | 24134m |
| 10:00 | 4.3m/s | 13m/s | 0% | 24134m |
| 11:00 | 4.2m/s | 13m/s | 0% | 24135m |
| 12:00 | 4.3m/s | 12m/s | 0% | 24135m |
| 13:00 | 4.4m/s | 11m/s | 0% | 24134m |
| 14:00 | 4.1m/s | 11m/s | 0% | 24134m |
| 15:00 | 3.9m/s | 11m/s | 0% | 24134m |
| 16:00 | 3.7m/s | 11m/s | 0% | 24134m |
| 17:00 | 2.9m/s | 7.6m/s | 0% | 24135m |
| 18:00 | 1.7m/s | 1.7m/s | 0% | 24135m |
| 19:00 | 2m/s | 5.6m/s | 0% | 24135m |
| 20:00 | 1.6m/s | 3.1m/s | 0% | 24134m |
| 21:00 | 1.2m/s | 1.2m/s | 0% | 10945m |
| 22:00 | 1.4m/s | 1.4m/s | 0% | 6546m |
| 23:00 | 1.5m/s | 1.5m/s | 0% | 6547m |
| Sat, Feb 21 | ||||
| 24:00 | 1.6m/s | 4.7m/s | 0% | 6548m |
| 01:00 | 1.2m/s | 1.2m/s | 0% | 6753m |
| 02:00 | 1.5m/s | 5.3m/s | 0% | 23403m |
| 03:00 | 2.6m/s | 7m/s | 7.4% | 17418m |
| 04:00 | 3.7m/s | 8.8m/s | 15% | 11433m |
| 05:00 | 4.8m/s | 11m/s | 22% | 5448m |
| 06:00 | 4.5m/s | 10m/s | 23% | 3919m |
| 07:00 | 4.2m/s | 10m/s | 25% | 2390m |
| 08:00 | 3.9m/s | 9.8m/s | 26% | 861m |
| 09:00 | 3.8m/s | 9.8m/s | 27% | 1030m |
| 10:00 | 3.7m/s | 9.7m/s | 27% | 1198m |
| 11:00 | 3.6m/s | 9.7m/s | 28% | 1366m |
| 12:00 | 3.5m/s | 9.8m/s | 34% | 1197m |
| 13:00 | 3.4m/s | 9.9m/s | 40% | 1028m |
| 14:00 | 3.4m/s | 10m/s | 46% | 859m |
| 15:00 | 3.4m/s | 10m/s | 44% | 634m |
| 16:00 | 3.5m/s | 11m/s | 41% | 409m |
| 17:00 | 3.6m/s | 11m/s | 39% | 185m |
| 18:00 | 3.6m/s | 11m/s | 43% | 169m |
| 19:00 | 3.6m/s | 11m/s | 48% | 153m |
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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