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Rule Mirror Lake

Madalena - Mirror Lake - Azores

Madalena, Porto, Portugal

Perfectly calm water for flawless reflections

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Lisbon
mirror-lake weather icon
Next opportunity
Perfect Mirror Reflections
Madalena
Tomorrow · 22:00–23:00 · 1h window
Medium confidence
59%
💨Wind Speed0.7m/s
mirror-lake weather icon
Glassy Mirror Reflections (glassy)
Madalena
Fri, Jul 10 · 02:00–04:00
💨Wind Speed:0.4-0.7m/s
Medium
mirror-lake weather icon
Glassy Mirror Reflections (glassy)
Madalena
Fri, Jul 10 · 22:00–02:00
💨Wind Speed:0.5-0.6m/s
Medium
mirror-lake weather icon
Perfect Mirror Reflections
Madalena
Sat, Jul 11 · 16:00–19:00
💨Wind Speed:0.5-0.9m/s
Low
mirror-lake weather icon
Perfect Mirror Reflections at Sunset
Madalena
Sat, Jul 11 · 20:00–22:00
💨Wind Speed:0.7-0.9m/s
Low
mirror-lake weather icon
Glassy Mirror Reflections (glassy)
Madalena
Sat, Jul 11 · 22:00–01:00
💨Wind Speed:0.5-0.9m/s
Low
mirror-lake weather icon
Perfect Mirror Reflections at Sunset
Madalena
Sun, Jul 12 · 20:00–22:00
💨Wind Speed:0.6-0.8m/s
Low
+11 more windows in the next 10 days

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks calm conditions for reflection photography in the Azores' volcanic crater lakes and sheltered coastal waters. We analyze wind speed, atmospheric stability, and weather patterns to predict when mirror-calm surfaces double the archipelago's dramatic volcanic landscapes.

The Azores' calderas create natural amphitheaters that shelter water from wind—Sete Cidades, Lagoa do Fogo, and Furnas lake sit protected within volcanic rims hundreds of meters high. These crater lakes offer some of the Atlantic's most reliable reflection opportunities, with volcanic slopes, lush vegetation, and often dramatic skies duplicated in still water.

What makes Azores reflection photography special:

  • Twin lake drama - Sete Cidades offers two colors in one caldera—blue Lagoa Azul and green Lagoa Verde create unique mirrored compositions
  • Crater protection - High volcanic rims shelter lakes from ocean winds, creating calm conditions even when coasts are rough
  • Volcanic doubling - Perfect reflections double the drama of crater slopes, vegetation, and sky in protected waters
  • Morning priority - Dawn typically offers the calmest conditions before Atlantic winds strengthen through the day

Sete Cidades provides the iconic shot—when calm, both lakes reflect the caldera walls and sky, with the bridge creating geometric interest. Vista do Rei overlook captures both lakes, while lakeside positions at Sete Cidades village offer intimate reflections. Lagoa do Fogo's higher elevation (575 metres) means it often sits above lower cloud while offering mirror-calm conditions—blue waters perfectly reflecting the barren crater rim. Furnas lake provides reflections combined with atmospheric steam rising in the background. Vila Franca do Campo's sheltered harbour can mirror the volcanic islet offshore. Dawn offers the best chance for calm before winds pick up. Autumn and winter can paradoxically offer better reflection conditions than summer, as storms alternate with calm high-pressure periods.

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72-hour requirements breakdown

What passed or failed, hour by hour
7matching hours in the next 80 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Lisbon
Wind Speed
≤ 1.0m/s
Wind Gusts
≤ 2.0m/s
Precipitation Chance
≤ 10.0%
Visibility
≥ 5000.0m
Wed, Jul 8
05:004.6m/s5.1m/s0%24135m
06:004.5m/s5.1m/s0%24134m
07:003.9m/s4.4m/s0%24135m
08:003.2m/s3.4m/s0%24134m
09:003.4m/s3.4m/s0%24135m
10:003.7m/s3.8m/s0%24134m
11:003.8m/s3.8m/s0%20186m
12:004.7m/s4.7m/s0%8570m
13:005.1m/s5.4m/s0%12934m
14:005.4m/s6m/s0%13688m
15:006m/s7.1m/s0%13433m
16:006.5m/s8.1m/s0%13822m
17:006.5m/s8.6m/s0%17507m
18:006.2m/s8.3m/s0%23399m
19:005.7m/s8m/s0%24134m
20:005.4m/s7.3m/s0%24134m
21:004.7m/s6.5m/s0%24134m
22:004.2m/s5.4m/s0%17057m
23:003.7m/s4.3m/s0%21272m
Thu, Jul 9
24:003.1m/s3.4m/s0%24134m
01:002.4m/s2.5m/s0%24135m
02:001.2m/s1.2m/s0%24135m
03:001.1m/s1.1m/s0%24135m
04:001.9m/s2.1m/s0%24134m
05:001.8m/s2m/s0%24134m
06:001.9m/s2m/s0%24134m
07:002.9m/s3.1m/s0%24135m
08:003.2m/s3.4m/s0%24135m
09:003.3m/s3.5m/s0%24134m
10:003.5m/s3.8m/s0%24135m
11:004.5m/s4.5m/s0%24134m
12:004.7m/s4.8m/s0%7950m
13:004.7m/s4.9m/s0%7979m
14:004.4m/s4.4m/s0%8113m
15:004.3m/s4.4m/s0%8045m
16:004.6m/s5m/s0%8144m
17:004.1m/s4.5m/s0%20336m
18:003.3m/s3.7m/s0%24135m
19:002.1m/s2.2m/s0%24135m
20:001.4m/s1.3m/s0%24134m
21:001.4m/s1.6m/s0%24135m
22:000.69m/s0.8m/s0%24135m
23:001.1m/s1.1m/s0%24135m
Fri, Jul 10
24:001.3m/s1.4m/s0%24135m
01:001.4m/s1.6m/s0%24135m
02:000.44m/s0.81m/s0%20938m
03:000.67m/s0.9m/s0%20176m
04:001.2m/s1.2m/s0%20096m
05:001.6m/s1.6m/s0%16353m
06:002m/s2m/s0%19895m
07:002.1m/s1.9m/s0%13763m
08:002.1m/s2m/s0%24134m
09:002.5m/s2.4m/s0%15736m
10:002.7m/s2.7m/s0%21917m
11:002.8m/s2.8m/s0%20309m
12:002.9m/s2.9m/s0%8680m
13:003.3m/s3.3m/s0%8251m
14:003.4m/s3.5m/s0%20433m
15:003.7m/s3.9m/s0%24134m
16:003.8m/s4.3m/s0%24134m
17:003.2m/s3.6m/s0%24135m
18:002.4m/s2.6m/s0%24135m
19:002.2m/s2.5m/s0%24135m
20:001.6m/s1.9m/s0%24135m
21:001.1m/s1.2m/s0%24135m
22:000.49m/s0.61m/s0%24135m
23:000.52m/s0.62m/s0%24135m
Sat, Jul 11
24:000.55m/s0.63m/s0%24135m
01:000.59m/s0.64m/s0%24135m
02:001.1m/s0.94m/s0%24135m
03:001.6m/s1.2m/s0%24135m
04:002.1m/s1.5m/s0%24135m
05:002.9m/s2.3m/s0%22171m
06:003.7m/s3.1m/s0%20207m
07:004.5m/s3.8m/s0%18244m
08:004.4m/s3.8m/s0%20207m
09:004.2m/s3.8m/s0%22171m
10:004m/s3.7m/s0%24135m
11:003.5m/s3.4m/s0%24135m
12:003.1m/s3.1m/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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