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Rule Mirror Lake

Beppu - Mirror Lake - Kyushu

Beppu, Oita, Japan

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 89% failing
Precipitation Chance 67% failing

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo

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 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
0matching hours in the next 95 hours
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
Sat, May 23
22:000.81m/s1m/s39%5072m
23:000.96m/s1m/s39%19382m
Sun, May 24
24:000.96m/s1m/s39%24134m
01:000.69m/s1m/s33%24093m
02:000.51m/s0.72m/s28%18257m
03:000.96m/s1.4m/s22%16416m
04:000.12m/s0.52m/s39%16601m
05:000.79m/s1.3m/s39%9687m
06:001.5m/s2.5m/s39%437m
07:001.5m/s2.3m/s45%371m
08:001.1m/s1.6m/s50%336m
09:000.87m/s1.2m/s56%3606m
10:000.33m/s0.72m/s48%441m
11:000.72m/s1.1m/s40%1622m
12:000.24m/s0.72m/s32%3425m
13:000.78m/s1.2m/s34%3422m
14:001m/s1.9m/s37%3917m
15:001.5m/s3.3m/s39%24134m
16:000.77m/s1.5m/s26%3666m
17:001.3m/s2.3m/s13%4167m
18:001.7m/s3.3m/s0%7150m
19:002m/s3.7m/s0%5022m
20:001.7m/s2.5m/s0%10604m
21:001.9m/s2.8m/s0%11324m
22:001.7m/s2.4m/s0%24135m
23:001.7m/s2.2m/s0%24135m
Mon, May 25
24:001.5m/s1.7m/s0%24134m
01:001.6m/s2m/s0%24134m
02:001.5m/s2.7m/s0%5637m
03:001.5m/s2.4m/s0%5484m
04:001.5m/s2.6m/s0.3%3709m
05:001.2m/s1.5m/s0.61%3561m
06:001.4m/s2.7m/s0.91%3497m
07:002m/s4.1m/s0.61%4823m
08:002.7m/s5.6m/s0.3%24135m
09:003m/s5.5m/s0%24135m
10:003.9m/s5.5m/s6.3%24135m
11:004m/s5.5m/s13%24135m
12:004.1m/s5.1m/s19%24135m
13:003.9m/s4.4m/s26%24134m
14:004.1m/s4m/s32%24134m
15:004.2m/s4m/s39%24134m
16:004.6m/s4.4m/s26%24135m
17:003.9m/s4.8m/s13%24134m
18:002.8m/s4.2m/s0%24135m
19:001.7m/s2.2m/s0%24135m
20:001.4m/s1.8m/s0%24134m
21:001.6m/s1.9m/s0%24135m
22:001.6m/s2.1m/s0%24134m
23:001.6m/s1.9m/s0%24134m
Tue, May 26
24:001.7m/s2m/s0%24134m
01:001.8m/s2.1m/s0%24134m
02:001.7m/s1.9m/s0%24135m
03:001.8m/s2.1m/s0%23031m
04:001.7m/s1.8m/s18%24135m
05:001.6m/s1.8m/s37%24134m
06:001.7m/s2.8m/s55%24135m
07:002.1m/s4.9m/s44%5234m
08:003.3m/s8.1m/s32%11346m
09:004.5m/s7.4m/s21%24135m
10:005.2m/s7.1m/s25%24134m
11:005.8m/s6.9m/s28%24135m
12:005.7m/s6.9m/s32%24134m
13:005.7m/s7.1m/s36%24134m
14:005.1m/s6.5m/s39%24134m
15:004.7m/s6.7m/s43%24135m
16:004m/s8.7m/s47%24134m
17:004m/s8.2m/s51%24135m
18:003.6m/s9.1m/s55%24134m
19:003.2m/s9.4m/s61%24135m
20:002.5m/s7.9m/s66%24134m
21:002.1m/s5m/s72%20243m
22:002.1m/s5m/s76%9332m
23:001.6m/s4.5m/s80%6752m
Wed, May 27
24:001.6m/s5.3m/s85%4731m
01:001.8m/s6.8m/s88%1385m
02:001.9m/s6.5m/s90%1305m
03:002.2m/s8m/s93%772m
04:003.5m/s10m/s90%1779m
05:004.8m/s12m/s87%2786m
06:006.1m/s14m/s84%3793m
07:006.1m/s14m/s87%2569m
08:006m/s14m/s90%1345m
09:005.9m/s14m/s93%122m
10:005.7m/s14m/s90%108m
11:005.5m/s13m/s87%94m
12:005.3m/s13m/s84%81m
13:004.7m/s13m/s86%80m
14:004.2m/s13m/s87%80m
15:003.6m/s13m/s89%80m
16:003.1m/s11m/s75%93m
17:002.6m/s10m/s61%106m
18:002.2m/s8.6m/s48%119m
19:002.1m/s6.9m/s52%136m
20:002m/s5.1m/s56%153m
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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