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Rule Mirror Lake

Beppu - Mirror Lake - Kyushu

Beppu, Oita, 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
Glassy Mirror Reflections (glassy)
Beppu
Tomorrow · 16:00–18:00 · 2h window
Medium confidence
49%
💨Wind Speed0.4-0.5m/s
mirror-lake weather icon
Glassy Mirror Reflections (glassy) at Sunset
Beppu
Tomorrow · 18:00–20:00
💨Wind Speed:0.5-1m/s
Medium
mirror-lake weather icon
Perfect Mirror Reflections
Beppu
Wed, Jun 10 · 07:00–09:00
💨Wind Speed:0.5-0.8m/s
Medium
mirror-lake weather icon
Perfect Mirror Reflections
Beppu
Wed, Jun 10 · 12:00–13:00
💨Wind Speed:1m/s
Medium
mirror-lake weather icon
Perfect Mirror Reflections
Beppu
Thu, Jun 11 · 01:00–04:00
💨Wind Speed:0.7-0.9m/s
Low
mirror-lake weather icon
Perfect Mirror Reflections
Beppu
Thu, Jun 11 · 13:00–18:00
💨Wind Speed:0.6-0.9m/s
Low
mirror-lake weather icon
Perfect Mirror Reflections at Sunset
Beppu
Thu, Jun 11 · 18:00–19:00
💨Wind Speed:1m/s
Medium
+1 more windows in the next 10 days

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
10matching 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, Jun 7
04:003.1m/s10m/s97%338m
05:002.6m/s8.8m/s95%359m
06:002.5m/s8.3m/s93%160m
07:002.7m/s7.3m/s95%93m
08:002.7m/s7.5m/s97%99m
09:002.7m/s9.7m/s98%95m
10:001.8m/s4.3m/s87%98m
11:002.6m/s11m/s78%113m
12:003.1m/s9.3m/s69%166m
13:002.8m/s9.4m/s69%741m
14:002.5m/s8.7m/s69%479m
15:001.5m/s6.8m/s68%962m
16:002m/s3.2m/s25%24135m
17:002.2m/s2.9m/s13%10549m
18:001.8m/s3m/s0%1838m
19:001.5m/s2.4m/s0%1528m
20:000.91m/s1.6m/s0%1519m
21:000.49m/s0.71m/s0%1871m
22:000.76m/s0.71m/s7.4%5222m
23:000.72m/s0.8m/s15%24134m
Mon, Jun 8
24:000.8m/s0.91m/s22%17266m
01:000.52m/s0.6m/s29%16939m
02:000.43m/s0.44m/s37%16806m
03:000.5m/s0.53m/s44%17117m
04:000.45m/s0.54m/s60%16608m
05:000.69m/s0.81m/s75%845m
06:000.48m/s0.53m/s91%784m
07:000.82m/s0.73m/s93%1752m
08:000.86m/s1.1m/s96%16951m
09:000.84m/s1m/s98%24134m
10:000.41m/s0.22m/s80%24134m
11:000.93m/s1.1m/s62%19853m
12:001.1m/s1.8m/s44%8230m
13:001.3m/s2.4m/s42%755m
14:001.3m/s2.9m/s40%648m
15:001.1m/s2.6m/s37%471m
16:001.9m/s4m/s32%1941m
17:001.7m/s3.8m/s27%4069m
18:001.8m/s3.4m/s22%11188m
19:001m/s1.2m/s28%22499m
20:001.5m/s2.3m/s33%16605m
21:000.66m/s1m/s39%6457m
22:000.85m/s1m/s26%8803m
23:001.1m/s1.1m/s13%11304m
Tue, Jun 9
24:001.8m/s1.7m/s0%24135m
01:002.1m/s2m/s0%24135m
02:002m/s2.1m/s0%24135m
03:002.4m/s2.3m/s0%24134m
04:002.4m/s2.3m/s0%24134m
05:002.3m/s2.2m/s0%24134m
06:001.9m/s1.6m/s0%24134m
07:001.4m/s1.8m/s0%24134m
08:001.2m/s2.2m/s0%24134m
09:001.1m/s2m/s0%24135m
10:001.4m/s2.2m/s0%24135m
11:001.6m/s2.8m/s0%24134m
12:001.8m/s2.8m/s0%24135m
13:002.4m/s3m/s0%24134m
14:002m/s2.4m/s0%24135m
15:001.6m/s1.5m/s0%24134m
16:000.53m/s0.64m/s0%24134m
17:000.45m/s0.6m/s0%24134m
18:000.5m/s0.51m/s0%24134m
19:000.98m/s0.91m/s0%24135m
20:001.3m/s1.2m/s0%24135m
21:001.5m/s1.3m/s0%24134m
22:001.5m/s1.3m/s0%24134m
23:001.4m/s1.2m/s0%24135m
Wed, Jun 10
24:001.5m/s1.4m/s0%24135m
01:001.4m/s1.3m/s0%24135m
02:001.3m/s1.2m/s0%24135m
03:001.7m/s1.5m/s0%24134m
04:002m/s1.7m/s0%24135m
05:002.1m/s1.8m/s0%24134m
06:001.9m/s1.7m/s0%24135m
07:000.83m/s1.1m/s0%24135m
08:000.5m/s0.7m/s0%24135m
09:001.1m/s1.2m/s0%24135m
10:001m/s1.1m/s0%24135m
11:001m/s1.1m/s0%24135m
12:000.96m/s1m/s0%24135m
13:001.1m/s1.1m/s0%24135m
14:001.2m/s1.2m/s0%24135m
15:001.3m/s1.3m/s0%24135m
16:001.3m/s1.3m/s0%24135m
17:001.2m/s1.2m/s0%24135m
18:001.1m/s1.2m/s0%24135m
19:001.2m/s1.2m/s0%24135m
20:001.2m/s1.2m/s0%24135m
21:001.2m/s1.3m/s0%24135m
22:001.2m/s1.2m/s0%24135m
23:001.1m/s1.2m/s0%24135m
Thu, Jun 11
24:001.1m/s1.1m/s0%24135m
01:000.93m/s1.2m/s0%24135m
02:000.8m/s1.3m/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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