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Rule Mirror Lake

Takachiho Gorge - Mirror Lake - Kyushu

Takachihono Mine, Japan

Perfectly calm water for flawless reflections

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo
mirror-lake weather icon
Next opportunity
Perfect Mirror Reflections at Sunset
Takachiho Gorge
Today · 19:00–20:00 · 1h window
Medium confidence
64%
💨Wind Speed0.8m/s
mirror-lake weather icon
Perfect Mirror Reflections
Takachiho Gorge
Today · 20:00–21:00
💨Wind Speed:0.7m/s
Medium
mirror-lake weather icon
Perfect Mirror Reflections at Sunset
Takachiho Gorge
Tomorrow · 19:00–20:00
💨Wind Speed:0.7m/s
Medium
mirror-lake weather icon
Glassy Mirror Reflections (glassy)
Takachiho Gorge
Tomorrow · 20:00–04:00
💨Wind Speed:0.3-0.9m/s
Medium
mirror-lake weather icon
Perfect Mirror Reflections at Sunrise
Takachiho Gorge
Wed, Apr 22 · 05:00–07:00
💨Wind Speed:0.6-0.9m/s
Medium
mirror-lake weather icon
Glassy Mirror Reflections (glassy)
Takachiho Gorge
Wed, Apr 29 · 24:00–01:00
💨Wind Speed:0.3m/s
Medium

What this forecast looks for

Plain-language explanation from the rule

This forecast predicts mirror-calm water conditions for Kyushu's volcanic crater lakes, thermal spring ponds, and castle moats. We analyze wind speed, atmospheric stability, and tidal patterns to identify when reflections double the impact of the island's distinctive volcanic landscapes.

Kyushu's volcanic activity created numerous crater lakes in Kirishima highlands and Aso region, while onsen areas feature thermal-spring-fed ponds that rarely freeze. Historic Kumamoto Castle is surrounded by water features, and coastal areas offer sheltered bays for reflection photography. The subtropical climate means humidity-driven calm morning conditions.

What makes Kyushu reflection photography special:

  • Thermal spring mirrors - Lake Kinrinko in Yufuin fed by hot springs creates year-round reflections with Mount Yufu backdrop
  • Volcanic crater lakes - Kirishima highlands contain sacred lakes surrounded by volcanic peaks and mountain shrines
  • Castle moat reflections - Kumamoto Castle's defensive waters reflect reconstructed towers and original stone walls
  • Harbor twilight - Nagasaki's natural harbor provides sheltered water for city lights and hillside reflections

Lake Kinrinko delivers Kyushu's most reliable reflection photography—the spring-fed lake produces morning steam that lifts revealing perfect mirror conditions with Mount Yufu's twin peaks reflected. Best November through March before dawn when thermal mist settles leaving glass-calm water. Kirishima region contains sacred crater lakes surrounded by autumn color—arrive early as wind picks up by mid-morning. Kumamoto Castle's moats provide architectural reflections particularly beautiful when evening illumination begins. Nagasaki harbor at blue hour offers urban reflections with hillside buildings and city lights. Winter and early spring offer most consistent calm conditions.

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72-hour requirements breakdown

What passed or failed, hour by hour
13matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Wind Speed
≤ 1.0m/s
Wind Gusts
≤ 2.0m/s
Precipitation Chance
≤ 10.0%
Visibility
≥ 5000.0m
Sun, Apr 19
17:002.2m/s7.2m/s100%17814m
18:002m/s7.1m/s100%21548m
19:001.7m/s6.8m/s100%8975m
20:001.8m/s7m/s100%3201m
21:002.8m/s8.8m/s100%11766m
22:001.7m/s7.9m/s87%13046m
23:001.7m/s6.2m/s77%24134m
Mon, Apr 20
24:001.5m/s4.3m/s66%18016m
01:001.5m/s4.1m/s70%24134m
02:001.4m/s2.3m/s73%24135m
03:001.5m/s3.5m/s77%24135m
04:001.6m/s5.3m/s94%24135m
05:001.4m/s3.7m/s95%24135m
06:001.4m/s3.3m/s95%23690m
07:001.5m/s4.2m/s97%24135m
08:002.2m/s6m/s98%24135m
09:002m/s6.1m/s99%24134m
10:001.3m/s2.9m/s99%24135m
11:001.1m/s2m/s99%24135m
12:001.4m/s1.6m/s100%24134m
13:002.4m/s1.9m/s100%24135m
14:002.4m/s1.9m/s100%24135m
15:002.7m/s2.2m/s100%24134m
16:001.6m/s2.5m/s67%23451m
17:000.95m/s2.1m/s34%11275m
18:001m/s1.9m/s0.91%22690m
19:000.8m/s1.1m/s0.61%16424m
20:000.68m/s0.82m/s0.3%24135m
21:001.5m/s1.4m/s0%24134m
22:001.3m/s1.3m/s0%24135m
23:001.9m/s2.8m/s0%22058m
Tue, Apr 21
24:001.9m/s3.6m/s0.001%7855m
01:002.2m/s4.4m/s0%391m
02:002.4m/s5.6m/s0%529m
03:002.6m/s5.8m/s0%1980m
04:002.5m/s6.2m/s13%9263m
05:002.3m/s4.6m/s26%8502m
06:002m/s4.2m/s39%7957m
07:002m/s4.3m/s47%8609m
08:001.7m/s3m/s56%24135m
09:001m/s1.7m/s64%24134m
10:000.78m/s1.2m/s70%24135m
11:000.61m/s1.4m/s76%24134m
12:002.7m/s2.1m/s82%24134m
13:002.8m/s2.4m/s82%24135m
14:002.5m/s2.3m/s82%23960m
15:002.9m/s2.9m/s83%24068m
16:003m/s3.3m/s55%24134m
17:001.6m/s2.5m/s28%24134m
18:001.2m/s1.9m/s0%24135m
19:000.66m/s0.9m/s0%24134m
20:000.5m/s0.7m/s0%24134m
21:000.53m/s0.7m/s0%24134m
22:000.61m/s0.71m/s0%24134m
23:000.38m/s0.5m/s0%24134m
Wed, Apr 22
24:000.86m/s0.8m/s0%24134m
01:000.56m/s0.61m/s0%24134m
02:000.67m/s0.73m/s0%24134m
03:000.26m/s0.5m/s0%24134m
04:001m/s1m/s0%24134m
05:000.94m/s1m/s0%24135m
06:000.61m/s0.8m/s0%24135m
07:000.65m/s0.81m/s17%24134m
08:000.92m/s1.6m/s33%24135m
09:001.3m/s2.1m/s50%24135m
10:001.8m/s2.4m/s45%24134m
11:001.9m/s2.5m/s41%24135m
12:002.2m/s2.6m/s36%24134m
13:002m/s2.8m/s41%24134m
14:001.9m/s3.4m/s47%24135m
15:001.9m/s4.3m/s52%20127m
16:002.1m/s5.5m/s59%24134m
17:001.2m/s3.7m/s66%24134m
18:001.5m/s5.9m/s73%24134m
19:001.7m/s6.4m/s82%24135m
20:001.9m/s6.6m/s90%17259m
21:002.1m/s7.6m/s98%16603m
22:001.9m/s7.5m/s98%8881m
23:001.9m/s8.1m/s99%12121m
Thu, Apr 23
24:002m/s8.4m/s99%13287m
01:002.8m/s11m/s99%8255m
02:003.1m/s11m/s100%6843m
03:003.6m/s12m/s100%3908m
04:002.9m/s9.5m/s98%10650m
05:002.3m/s7.2m/s97%17393m
06:001.6m/s4.9m/s95%24135m
07:001.4m/s3.9m/s96%24135m
08:001.2m/s2.9m/s97%24135m
09:001.1m/s1.8m/s98%24135m
10:001.1m/s2m/s85%23286m
11:001.1m/s2.2m/s71%22437m
12:001.2m/s2.4m/s58%21588m
13:001.2m/s2.5m/s58%21382m
14:001.2m/s2.6m/s59%21177m
15:001.2m/s2.7m/s59%20971m
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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