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Rule Mirror Lake

Horta - Mirror Lake - Azores

Horta, Azores, Portugal

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 100% failing
Precipitation Chance 100% failing

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Azores

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

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
0matching hours in the next 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Azores
Wind Speed
≤ 1.0m/s
Wind Gusts
≤ 2.0m/s
Precipitation Chance
≤ 10.0%
Visibility
≥ 5000.0m
Mon, Apr 20
19:009.2m/s11m/s94%13700m
20:0012m/s12m/s88%24134m
21:0011m/s12m/s82%24134m
22:0011m/s12m/s79%24135m
23:0011m/s13m/s75%24134m
Tue, Apr 21
24:0011m/s13m/s72%24134m
01:0012m/s13m/s73%24135m
02:0012m/s14m/s65%24135m
03:0013m/s15m/s56%24134m
04:0014m/s16m/s59%24135m
05:0014m/s16m/s62%24134m
06:0014m/s17m/s65%24135m
07:0014m/s17m/s86%24134m
08:0014m/s17m/s80%24135m
09:0015m/s17m/s74%24135m
10:0014m/s17m/s76%24134m
11:0015m/s18m/s78%24135m
12:0014m/s18m/s81%24135m
13:0014m/s19m/s89%24134m
14:0014m/s18m/s94%24134m
15:0015m/s19m/s98%21993m
16:0015m/s20m/s99%24134m
17:0015m/s20m/s99%24135m
18:0016m/s20m/s100%24134m
19:0015m/s19m/s96%22404m
20:0013m/s12m/s92%7359m
21:0012m/s14m/s89%7474m
22:0011m/s14m/s89%5731m
23:009.6m/s12m/s89%6113m
Wed, Apr 22
24:0012m/s14m/s89%7094m
01:0011m/s11m/s78%8369m
02:0012m/s13m/s66%7997m
03:0013m/s15m/s54%9220m
04:0014m/s14m/s62%11201m
05:0013m/s14m/s70%20232m
06:0013m/s14m/s77%18825m
07:0012m/s15m/s75%24134m
08:0015m/s15m/s74%24134m
09:0015m/s17m/s72%23905m
10:0014m/s21m/s78%5225m
11:0015m/s17m/s84%12901m
12:0014m/s17m/s90%23888m
13:0013m/s15m/s88%24135m
14:0013m/s15m/s85%24135m
15:0013m/s15m/s82%24135m
16:0013m/s15m/s79%24135m
17:0013m/s15m/s76%24134m
18:0013m/s15m/s73%24134m
19:0013m/s15m/s66%24134m
20:0013m/s15m/s59%24134m
21:0013m/s15m/s52%24135m
22:0013m/s14m/s62%21512m
23:0013m/s14m/s71%18692m
Thu, Apr 23
24:0013m/s15m/s80%24134m
01:0013m/s15m/s81%24135m
02:0013m/s15m/s81%24135m
03:0013m/s15m/s82%24135m
04:0013m/s15m/s82%24135m
05:0014m/s15m/s83%17911m
06:0013m/s15m/s83%24135m
07:0013m/s14m/s73%17912m
08:0012m/s14m/s63%22138m
09:0012m/s13m/s53%24135m
10:0011m/s12m/s63%24135m
11:0011m/s12m/s72%24135m
12:0010m/s12m/s82%24134m
13:009.5m/s11m/s68%24135m
14:009.5m/s10m/s53%24135m
15:009.1m/s9.9m/s39%24134m
16:009.1m/s10m/s39%24135m
17:008.6m/s10m/s39%24134m
18:008.7m/s11m/s39%24134m
19:008m/s10m/s33%24134m
20:007.5m/s9.7m/s28%24134m
21:006.6m/s8.8m/s22%24134m
22:006.6m/s8.1m/s29%24135m
23:007.2m/s8m/s36%24135m
Fri, Apr 24
24:006.1m/s7.3m/s43%24135m
01:006.2m/s7.5m/s51%18657m
02:006.4m/s7.7m/s58%13180m
03:006.5m/s7.9m/s66%7702m
04:007.2m/s9m/s75%5738m
05:007.9m/s10m/s84%3775m
06:008.6m/s11m/s93%1812m
07:008.7m/s11m/s90%3000m
08:008.8m/s12m/s87%4188m
09:008.9m/s12m/s84%5376m
10:008.3m/s11m/s87%6141m
11:007.7m/s10m/s90%6906m
12:007m/s9.7m/s93%7671m
13:007.2m/s9.9m/s69%12852m
14:007.3m/s10m/s45%18032m
15:007.4m/s10m/s21%23213m
16:006.9m/s9.4m/s22%23055m
17:006.5m/s8.7m/s24%22898m
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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