What conditions does Mirror Lake look for?

Wind Speed: ≤ 1.0m/s. Wind Gusts: ≤ 2.0m/s. Precipitation Chance: ≤ 10.0%. Visibility: ≥ 5000.0m

How often do conditions match?

There are 1 upcoming opportunity windows in the next 10 days.

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Rule Mirror Lake

Alkmaar - Mirror Lake - The Netherlands

Alkmaar, North Holland, The Netherlands

Perfectly calm water for flawless reflections

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Amsterdam

Next opportunity

Perfect Mirror Reflections

Alkmaar

Fri, Apr 17 · 14:00–15:00 · 1h window

Medium confidence

51%

💨Wind Speed0.9m/s

What this forecast looks for

Plain-language explanation from the rule

The Netherlands' mirror-calm canals, lakes, and polder waterways create ideal reflection conditions. The flat landscape minimizes wind disruption, while the country's extensive water management systems provide countless photography opportunities from UNESCO windmill sites to urban canal rings.

Kinderdijk's windmills reflect perfectly in the surrounding channels during calm conditions, doubling their visual impact. Amsterdam, Leiden, and Delft's historic canal rings become mirror worlds during windless periods, typically early morning or evening. The key is timing—Dutch weather is changeable, but early mornings often provide the calm needed.

What makes Dutch reflections special:

Windmill doubles - Iconic structures perfectly mirrored in still polder waters
Canal ring symmetry - Historic city centers reflected in urban waterways
Polder simplicity - Minimal landscape creates clean, uncluttered reflection compositions
Golden age architecture - 17th-century gabled houses doubled in canal reflections

Best reflection conditions occur during high-pressure systems with minimal wind, typically early morning (before 8 AM) or evening (after 7 PM) when daily winds calm. Spring and autumn offer most reliable conditions. Winter can provide exceptional reflections but requires patience for calm days between Atlantic weather systems. Scout locations in advance—best reflections require direct sight lines between subject and water.

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72-hour requirements breakdown

What passed or failed, hour by hour

5matching hours in the next 95 hoursJump to next match

AND logic: all conditions required

Meets requirement

Misses requirement

Time Europe/Amsterdam	Wind Speed ≤ 1.0m/s	Wind Gusts ≤ 2.0m/s	Precipitation Chance ≤ 10.0%	Visibility ≥ 5000.0m
Mon, Apr 13
21:00	2.8m/s	4.5m/s	0%	24135m
22:00	2.9m/s	4.5m/s	0%	24134m
23:00	2.2m/s	2.6m/s	0%	24135m
Tue, Apr 14
24:00	1.2m/s	1.2m/s	0%	24135m
01:00	0.93m/s	1m/s	0%	24134m
02:00	0.72m/s	0.71m/s	0%	24135m
03:00	1.4m/s	1.5m/s	0%	24135m
04:00	1.2m/s	1.2m/s	0%	24135m
05:00	1.3m/s	1.3m/s	0%	24134m
06:00	1.2m/s	1.3m/s	0%	24135m
07:00	0.83m/s	0.9m/s	0%	24134m
08:00	0.91m/s	0.92m/s	0%	24135m
09:00	1.7m/s	2.4m/s	0%	24135m
10:00	2.4m/s	3.1m/s	0%	24134m
11:00	3.2m/s	3.9m/s	0%	24135m
12:00	4.2m/s	4.5m/s	0%	24134m
13:00	4.6m/s	4.7m/s	0%	24134m
14:00	4.7m/s	4.7m/s	0%	24135m
15:00	4.6m/s	4.7m/s	0%	24135m
16:00	4.4m/s	4.6m/s	0%	24134m
17:00	3.9m/s	4.5m/s	0%	24134m
18:00	3.5m/s	4.4m/s	0%	24134m
19:00	2.6m/s	3.5m/s	0%	24134m
20:00	1.3m/s	1.3m/s	0%	24135m
21:00	1.1m/s	1.1m/s	0%	24135m
22:00	2.2m/s	2.2m/s	0%	24134m
23:00	2.7m/s	2.8m/s	0%	24134m
Wed, Apr 15
24:00	3m/s	3m/s	0%	24134m
01:00	3.8m/s	5.7m/s	0%	24135m
02:00	3.8m/s	6.6m/s	0%	24135m
03:00	3.9m/s	7m/s	0%	24134m
04:00	3.9m/s	7.8m/s	0%	24134m
05:00	3.9m/s	7.9m/s	0%	24134m
06:00	3.9m/s	7.9m/s	0%	24134m
07:00	3.8m/s	7.8m/s	0%	24134m
08:00	3.7m/s	8.6m/s	0%	24134m
09:00	4.1m/s	8.5m/s	0%	24135m
10:00	5m/s	8.7m/s	0%	24135m
11:00	5.5m/s	8.4m/s	0%	24135m
12:00	5.7m/s	7.8m/s	0%	24135m
13:00	5.7m/s	7.5m/s	0%	24134m
14:00	5.6m/s	7.3m/s	0%	24134m
15:00	5.3m/s	7.2m/s	10%	24134m
16:00	4.7m/s	7.2m/s	20%	24134m
17:00	4.3m/s	7.2m/s	30%	24135m
18:00	4.4m/s	7.4m/s	29%	24134m
19:00	4.1m/s	8.4m/s	28%	24134m
20:00	4.3m/s	9.5m/s	27%	24134m
21:00	4.6m/s	11m/s	28%	24135m
22:00	4.2m/s	11m/s	30%	24134m
23:00	4.7m/s	11m/s	31%	24135m
Thu, Apr 16
24:00	4.5m/s	10m/s	28%	24135m
01:00	4.9m/s	11m/s	25%	24135m
02:00	5.1m/s	11m/s	22%	21567m
03:00	5.8m/s	11m/s	15%	24134m
04:00	5.7m/s	11m/s	7.4%	24134m
05:00	5.2m/s	10m/s	0%	24135m
06:00	4.9m/s	10m/s	13%	24135m
07:00	4.7m/s	9.4m/s	26%	24135m
08:00	4.7m/s	8.8m/s	39%	24135m
09:00	5.3m/s	8.8m/s	26%	24135m
10:00	5.9m/s	8.4m/s	14%	24134m
11:00	6.2m/s	8.6m/s	0.91%	24134m
12:00	6.1m/s	8.2m/s	0.61%	21878m
13:00	5.9m/s	7.6m/s	0.3%	19737m
14:00	6.1m/s	7.7m/s	0%	19293m
15:00	5.9m/s	7.5m/s	0%	19326m
16:00	6m/s	7.7m/s	0%	19690m
17:00	5.2m/s	7.3m/s	0%	19882m
18:00	4.4m/s	6.1m/s	0%	19688m
19:00	3.6m/s	4.9m/s	0%	19698m
20:00	2.6m/s	3.9m/s	0%	19970m
21:00	2.4m/s	2.4m/s	0.3%	20335m
22:00	2.6m/s	2.7m/s	0.61%	21164m
23:00	2.7m/s	3.4m/s	0.91%	24135m
Fri, Apr 17
24:00	2.7m/s	3.9m/s	0.61%	24135m
01:00	2.7m/s	4m/s	0.3%	24134m
02:00	3.1m/s	4.9m/s	0%	24135m
03:00	3.8m/s	5.4m/s	7.4%	24135m
04:00	4.5m/s	6m/s	15%	24135m
05:00	5.2m/s	6.5m/s	22%	24135m
06:00	4.9m/s	6m/s	31%	24135m
07:00	4.5m/s	5.4m/s	41%	24135m
08:00	4.2m/s	4.9m/s	50%	24135m
09:00	3.6m/s	4.1m/s	33%	24135m
10:00	3.1m/s	3.4m/s	17%	24135m
11:00	2.5m/s	2.6m/s	0%	24135m
12:00	1.9m/s	2m/s	0%	24135m
13:00	1.4m/s	1.5m/s	0%	24135m
14:00	0.85m/s	0.92m/s	0%	24135m
15:00	1.4m/s	1.5m/s	0%	24135m
16:00	2m/s	2.1m/s	0%	24135m
17:00	2.6m/s	2.7m/s	0%	24135m
18:00	3.2m/s	3.3m/s	1.6%	24135m
19:00	3.7m/s	3.9m/s	3.3%	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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