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Rule Mirror Lake

Canmore - Mirror Lake - Canadian Rockies

Canmore, Alberta, Canada

Perfectly calm water for flawless reflections

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Edmonton
mirror-lake weather icon
Next opportunity
Perfect Mirror Reflections
Canmore
Thu, May 21 · 03:00–04:00 · 1h window
Medium confidence
48%
💨Wind Speed1m/s

What this forecast looks for

Plain-language explanation from the rule

This forecast predicts when the Canadian Rockies' legendary turquoise glacier-fed lakes will be mirror-calm for reflection photography. We track wind patterns, wave action, and dawn conditions to identify perfect reflection windows.

The Rockies contain some of Earth's most photographed reflections—the turquoise waters of Lake Louise and Moraine Lake create colors found nowhere else. These glacier-fed lakes get their distinctive color from glacial rock flour suspended in the water, creating an otherworldly blue-green that reflects spectacularly when conditions align.

What makes Rockies reflections special:

  • Turquoise waters - Glacial flour creates unique blue-green colors that intensify reflections
  • Mountain backdrops - Victoria Glacier, Valley of Ten Peaks, and continental divide peaks provide dramatic mirror subjects
  • Dawn calm windows - Early morning often brings glass-calm conditions before thermal winds develop
  • Seasonal ice patterns - Winter and spring bring geometric ice patterns that add foreground interest

Best conditions occur at dawn before thermal winds pick up, typically June through September when lakes are ice-free. Moraine Lake and Lake Louise are classics, but lesser-known spots like Two Jack Lake and Herbert Lake offer excellent reflections with fewer crowds.

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72-hour requirements breakdown

What passed or failed, hour by hour
1matching hours in the next 81 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/Edmonton
Wind Speed
≤ 1.0m/s
Wind Gusts
≤ 2.0m/s
Precipitation Chance
≤ 10.0%
Visibility
≥ 5000.0m
Sun, May 17
22:001.4m/s1.2m/s2.3%24135m
23:001.9m/s1.6m/s1.2%24134m
Mon, May 18
24:001.8m/s1.5m/s0%24135m
01:001.7m/s1.4m/s0%24135m
02:002.1m/s1.6m/s0%24135m
03:002.2m/s1.7m/s0%24135m
04:002.2m/s1.8m/s33%24134m
05:002.2m/s1.7m/s67%24135m
06:002.2m/s1.7m/s100%24134m
07:001.8m/s1.9m/s100%24134m
08:001.3m/s1.6m/s100%24134m
09:001.1m/s1.5m/s100%24134m
10:001m/s1.5m/s100%20917m
11:001.1m/s1.6m/s100%15884m
12:001.3m/s1.7m/s100%12032m
13:001.4m/s1.7m/s99%14199m
14:001.3m/s1.7m/s99%13928m
15:000.99m/s1.6m/s98%14059m
16:000.44m/s1.3m/s99%16538m
17:000.14m/s1.4m/s99%15914m
18:000.29m/s1.4m/s99%18313m
19:000.47m/s1.1m/s66%17979m
20:000.71m/s0.8m/s33%24134m
21:001.1m/s1m/s0%24134m
22:002.3m/s1.8m/s0%24134m
23:002.5m/s1.9m/s0%24134m
Tue, May 19
24:002.5m/s1.9m/s0%24134m
01:002.4m/s1.8m/s0%24134m
02:002.4m/s1.8m/s0%24135m
03:002.5m/s1.9m/s0%24135m
04:002.7m/s1.9m/s19%24135m
05:002.8m/s2m/s37%24134m
06:002.7m/s2.4m/s56%24134m
07:002.5m/s2.6m/s70%24134m
08:002.3m/s2.6m/s85%24134m
09:002.2m/s2.8m/s100%24134m
10:002.2m/s2.9m/s100%24135m
11:002.2m/s3.5m/s100%24134m
12:002.2m/s4.8m/s100%24135m
13:002.4m/s4.9m/s100%24134m
14:002.6m/s4.5m/s100%24134m
15:002.5m/s5.6m/s100%24135m
16:002.7m/s5.5m/s100%24135m
17:002.4m/s4.8m/s100%24134m
18:002.3m/s4.4m/s100%24134m
19:002.1m/s4m/s94%24135m
20:001.9m/s2m/s89%22292m
21:001.1m/s0.9m/s84%23116m
22:000.71m/s1.3m/s88%19358m
23:001.6m/s1.9m/s92%11415m
Wed, May 20
24:001.4m/s1.8m/s96%880m
01:001m/s1.3m/s90%3939m
02:001.2m/s1.5m/s84%458m
03:001.5m/s1.8m/s78%1944m
04:001.6m/s1.9m/s84%35m
05:001.6m/s2m/s91%26m
06:001.7m/s1.9m/s98%26m
07:001.6m/s1.9m/s98%45m
08:001.4m/s1.8m/s99%619m
09:001.3m/s1.7m/s100%15148m
10:001.1m/s1.4m/s100%4459m
11:001.6m/s1m/s100%1713m
12:002.8m/s2.5m/s100%570m
13:002.1m/s1.9m/s97%8425m
14:001.3m/s1.3m/s93%16280m
15:000.47m/s0.64m/s90%24135m
16:000.71m/s0.74m/s89%24135m
17:000.96m/s0.84m/s87%24135m
18:001.2m/s0.94m/s86%24135m
19:001.2m/s0.93m/s74%24135m
20:001.2m/s0.93m/s62%24135m
21:001.2m/s0.93m/s50%24135m
22:001.2m/s0.97m/s50%24135m
23:001.2m/s1m/s50%24135m
Thu, May 21
24:001.3m/s1m/s50%24135m
01:001.2m/s1.1m/s33%24135m
02:001.1m/s1.1m/s17%24135m
03:000.97m/s1.2m/s0%24135m
04:001.1m/s1.4m/s0%24135m
05:001.3m/s1.6m/s0%24135m
06:001.5m/s1.8m/s0%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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