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Rule Mirror Lake

Aoshima - Mirror Lake - Kyushu

Miyazaki, Miyazaki, 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 97% failing
Wind Gusts 89% failing
Precipitation Chance 78% 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
Fri, Apr 17
22:004.7m/s7.1m/s86%19034m
23:004.7m/s7.2m/s75%22676m
Sat, Apr 18
24:005m/s7.5m/s64%24135m
01:004.4m/s6.8m/s69%24135m
02:004.2m/s6.6m/s74%24135m
03:004.1m/s6.2m/s79%23452m
04:003.9m/s5.9m/s69%22637m
05:002.9m/s4.4m/s86%24135m
06:002.6m/s4m/s82%24134m
07:002.4m/s3.8m/s85%24134m
08:002.3m/s3.4m/s88%24134m
09:002.9m/s3.6m/s92%24134m
10:003.7m/s4.9m/s88%24135m
11:003.4m/s3.9m/s78%24134m
12:003.5m/s3.9m/s69%24135m
13:004.1m/s4.6m/s76%24135m
14:003.8m/s4.1m/s83%24134m
15:003.5m/s3.9m/s90%24135m
16:002.6m/s3.6m/s32%24134m
17:001.8m/s2.8m/s38%24134m
18:000.96m/s1.6m/s43%24135m
19:001.7m/s2.5m/s50%11729m
20:001.6m/s2.1m/s57%9920m
21:001.1m/s1.3m/s64%10199m
22:001.4m/s1.4m/s71%13818m
23:001.3m/s1.4m/s77%8211m
Sun, Apr 19
24:002.1m/s2.3m/s84%24135m
01:002.6m/s3.5m/s88%21993m
02:002.7m/s4.2m/s91%18587m
03:002.2m/s3.6m/s95%21986m
04:002.9m/s4.7m/s92%19580m
05:003.4m/s6m/s90%17311m
06:003.8m/s6.9m/s88%8696m
07:003.8m/s6.6m/s91%7706m
08:003.8m/s6.3m/s95%4641m
09:004m/s6.3m/s98%9572m
10:002.7m/s4.2m/s98%8119m
11:002.8m/s4.4m/s98%5675m
12:002.8m/s4m/s98%9238m
13:003.3m/s5.2m/s98%12785m
14:002.7m/s4.2m/s99%8359m
15:002.4m/s4.2m/s99%14000m
16:002.2m/s4.3m/s98%12965m
17:002.1m/s3.7m/s96%15472m
18:001.4m/s3m/s94%17236m
19:001.5m/s3.2m/s93%18268m
20:001.1m/s3m/s92%20025m
21:001.2m/s2.4m/s91%24134m
22:001.4m/s3.1m/s81%19892m
23:001.5m/s2.7m/s70%16296m
Mon, Apr 20
24:002.1m/s3m/s60%10802m
01:001.9m/s2.6m/s64%11147m
02:002.1m/s2.5m/s69%23599m
03:002.5m/s3.2m/s73%24134m
04:002.2m/s2.9m/s80%24134m
05:002.5m/s2.6m/s87%24134m
06:002.3m/s2.8m/s94%24135m
07:002.5m/s4.2m/s95%24134m
08:002.3m/s3.9m/s96%24135m
09:001.6m/s2.7m/s97%23942m
10:002.7m/s3.6m/s92%13758m
11:003m/s3.6m/s86%24135m
12:003.4m/s3.7m/s80%24134m
13:003.8m/s3.8m/s81%24135m
14:003.8m/s3.4m/s82%24134m
15:003.6m/s3.5m/s83%24134m
16:003.2m/s3.2m/s64%24134m
17:002.8m/s3.1m/s45%24135m
18:002.1m/s2.7m/s27%24135m
19:001.5m/s1.6m/s25%24134m
20:000.84m/s0.9m/s24%24134m
21:000.81m/s0.9m/s22%24135m
22:001.4m/s1.6m/s17%24135m
23:001.5m/s1.7m/s12%24134m
Tue, Apr 21
24:001.9m/s2m/s7%24134m
01:002.3m/s2.5m/s4.7%24135m
02:002m/s2.3m/s2.3%24135m
03:002m/s2.3m/s0%24135m
04:003.7m/s4.6m/s3.3%24135m
05:005.5m/s6.9m/s6.7%24135m
06:007.2m/s9.1m/s10%24135m
07:007.1m/s9.3m/s20%24135m
08:007m/s9.5m/s29%24135m
09:007m/s9.7m/s39%24135m
10:006m/s8.7m/s26%24135m
11:005m/s7.8m/s13%24135m
12:004m/s6.8m/s0%24135m
13:003m/s5.2m/s0%24135m
14:002m/s3.6m/s0%24135m
15:001m/s2m/s0%24135m
16:001.5m/s2.2m/s0%24135m
17:002m/s2.4m/s0%24135m
18:002.4m/s2.5m/s0%24135m
19:002.2m/s2.4m/s0%24135m
20:002m/s2.2m/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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