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Rule Fog Hunter

Alkmaar - Fog Hunter - The Netherlands

Alkmaar, North Holland, The Netherlands

Thick, moody fog for atmospheric forest and landscape shots

No opportunities right now
Here’s what usually blocks matches

No Fog Hunter opportunities in the next 14 days

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Rule requirements (key thresholds)
Fog Probability · ≥ 75.0%

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Fog Probability 100% failing

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread1.7°C
Visibility24135 (Clear)
Relative Humidity90%
Wind Speed4.8m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Amsterdam

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

The Netherlands' unique below-sea-level geography creates exceptional fog conditions as the polder landscape—land reclaimed from the sea—traps cold, moist air in natural depressions. This creates persistent valley fog and radiation fog that transforms windmills and waterways into ethereal scenes.

Kinderdijk's 19 UNESCO windmills rising from morning mist create one of photography's most iconic Dutch scenes. The flat terrain and extensive water networks mean fog forms readily on calm, clear nights and can persist well into morning. Marken's historic harbor on the Markermeer lake experiences frequent sea fog rolling in from the IJsselmeer.

What makes Dutch fog photography exceptional:

  • Windmill emergence - Historic structures appearing gradually as fog lifts from polder basins
  • Canal diffusion - Amsterdam and Leiden's canals create soft, atmospheric street scenes in fog
  • Flat persistence - Lack of topography means fog lingers longer than in hilly regions
  • Autumn reliability - October-November offer most consistent radiation fog conditions

Best fog occurs on calm, clear nights following daytime warmth—typically spring and autumn. Arrive before sunrise to catch densest conditions. The polders around Kinderdijk, Zaanse Schans windmills north of Amsterdam, and the Alblasserwaard region are prime locations. Fog typically burns off by 10-11 AM as temperatures rise.

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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
Europe/Amsterdam
Fog Probability
≥ 75.0%
Sat, Jun 6
22:000%
23:000%
Sun, Jun 7
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, Jun 8
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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21:000%
22:000%
23:000%
Tue, Jun 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
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22:000%
23:000%
Wed, Jun 10
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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19:000%
20:000%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Fog Probability mean?

Inputs that drive the score

This derived score summarizes multiple raw weather signals. The table below shows the supporting inputs hour by hour, so you can see what's pushing the score up or down.

Time
Europe/Amsterdam
Clear Sky Probability (Ensemble)
%
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Solar Elevation
°
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Sun, Jun 7 Sunrise 05:19 Sunset 22:00
22:00
0% 12°C 0mm 90% 0cm -0.29° 14°C 0mm 0.16kPa 24135m 9.8m/s 4.8m/s
23:00 ☾
0% 12°C 0mm 90% 0cm -6.9° 14°C 0mm 0.16kPa 24135m 9.7m/s 4.7m/s
Mon, Jun 8 Sunrise 05:19 Sunset 22:00
24:00 ☾
0% 12°C 0mm 88% 0cm -11° 14°C 0mm 0.19kPa 24135m 9.6m/s 4.7m/s
01:00 ☾
0% 11°C 0mm 87% 0cm -14° 13°C 0mm 0.2kPa 24134m 9.6m/s 4.7m/s
02:00 ☾
0% 11°C 0mm 84% 0cm -14° 14°C 0mm 0.26kPa 24134m 11m/s 5m/s
03:00 ☾
0% 11°C 0mm 84% 0cm -13° 14°C 0mm 0.24kPa 24134m 11m/s 4.8m/s
04:00 ☾
0% 11°C 0mm 84% 0cm -8.6° 13°C 0mm 0.24kPa 24134m 9.9m/s 4.5m/s
05:00 ☾
0% 11°C 0mm 86% 0cm -2.8° 13°C 0mm 0.22kPa 24134m 8.6m/s 4m/s
06:00
0% 11°C 0mm 85% 0cm 4.3° 13°C 0mm 0.23kPa 24134m 7.5m/s 3.5m/s
07:00
0% 11°C 0mm 84% 0cm 12° 14°C 0mm 0.26kPa 24135m 6.9m/s 3.3m/s
08:00
0% 12°C 0mm 82% 0cm 21° 15°C 0mm 0.31kPa 24134m 7.8m/s 4m/s
09:00
0% 12°C 0mm 78% 0cm 30° 16°C 0mm 0.39kPa 24135m 8.4m/s 4.2m/s
10:00
0% 12°C 0mm 74% 0cm 39° 16°C 0mm 0.47kPa 24134m 9m/s 4.8m/s
11:00
0% 12°C 0mm 68% 0cm 47° 18°C 0mm 0.67kPa 24135m 9.1m/s 6m/s
12:00
0% 12°C 0mm 66% 0cm 55° 19°C 0mm 0.74kPa 24134m 8.9m/s 6.3m/s
13:00
0% 12°C 0mm 64% 0cm 59° 19°C 0.06mm 0.78kPa 24134m 9.3m/s 7.3m/s
14:00
0% 12°C 0mm 74% 0cm 60° 17°C 0.06mm 0.49kPa 24135m 9.7m/s 6.7m/s
15:00
0% 12°C 0.01mm 74% 0cm 57° 17°C 0.06mm 0.51kPa 24135m 9.8m/s 6.5m/s
16:00
0% 13°C 0mm 82% 0cm 50° 16°C 0.19mm 0.33kPa 22773m 9.3m/s 5.4m/s
17:00
0% 13°C 0.04mm 83% 0cm 42° 16°C 0.25mm 0.31kPa 24135m 9.4m/s 5.6m/s
18:00
0% 13°C 0mm 84% 0cm 33° 15°C 0.25mm 0.29kPa 24135m 9.8m/s 5.7m/s
19:00
0% 12°C 0mm 80% 0cm 24° 16°C 0.25mm 0.36kPa 24135m 9.2m/s 6.3m/s
20:00
0% 12°C 0mm 83% 0cm 15° 15°C 0.25mm 0.28kPa 24134m 9.5m/s 5.6m/s
21:00
2% 11°C 0mm 87% 0cm 6.9° 13°C 0mm 0.2kPa 24134m 7.1m/s 3.8m/s
22:00
4% 11°C 0mm 88% 0cm -0.12° 13°C 0mm 0.19kPa 24134m 6.4m/s 3.8m/s
23:00 ☾
6% 11°C 0mm 91% 0cm -6.8° 12°C 0mm 0.12kPa 24134m 5.2m/s 3.2m/s
Tue, Jun 9 Sunrise 05:19 Sunset 22:01
24:00 ☾
5% 10°C 0mm 93% 0cm -11° 11°C 0.25mm 0.09kPa 22341m 5.1m/s 3.4m/s
01:00 ☾
5% 9.7°C 0mm 92% 0cm -14° 11°C 0.5mm 0.11kPa 22708m 4.5m/s 3.2m/s
02:00 ☾
4% 9.2°C 0mm 90% 0cm -14° 11°C 0.56mm 0.13kPa 24135m 4m/s 3.1m/s
03:00 ☾
13% 8.6°C 0mm 88% 0cm -12° 11°C 0mm 0.16kPa 24135m 4.2m/s 3.3m/s
04:00 ☾
23% 7.8°C 0mm 85% 0cm -8.5° 10°C 0mm 0.19kPa 24134m 3.7m/s 3.1m/s
05:00 ☾
32% 7.2°C 0mm 82% 0cm -2.8° 10°C 0mm 0.21kPa 24135m 2.9m/s 2.6m/s
06:00
30% 7.3°C 0mm 82% 0cm 4.4° 10°C 0mm 0.23kPa 24134m 2.8m/s 2.5m/s
07:00
28% 8.8°C 0mm 80% 0cm 12° 12°C 0.31mm 0.28kPa 17733m 6.1m/s 3.4m/s
08:00
26% 7.9°C 0.01mm 73% 0cm 21° 13°C 0.56mm 0.39kPa 24134m 8.2m/s 5.5m/s
09:00
43% 7.5°C 0mm 66% 0cm 30° 14°C 0mm 0.53kPa 24134m 7.7m/s 6.1m/s
10:00
61% 7.8°C 0mm 66% 0cm 39° 14°C 0mm 0.55kPa 24134m 8.8m/s 7.6m/s
11:00
78% 7.5°C 0mm 63% 0cm 48° 14°C 0mm 0.6kPa 24134m 9.8m/s 8.2m/s
12:00
80% 7.3°C 0mm 61% 0cm 55° 15°C 0mm 0.65kPa 24135m 11m/s 8.6m/s
13:00
81% 8.1°C 0mm 64% 0cm 59° 15°C 0.13mm 0.6kPa 18746m 11m/s 8.9m/s
14:00
83% 8.4°C 0mm 65% 0cm 60° 15°C 0.44mm 0.6kPa 17910m 11m/s 9.2m/s
15:00
80% 8.6°C 0mm 66% 0cm 57° 15°C 0.38mm 0.57kPa 15625m 11m/s 9.2m/s
16:00
76% 8.5°C 0mm 67% 0cm 50° 15°C 0.69mm 0.56kPa 19877m 11m/s 8.9m/s
17:00
73% 7.8°C 0mm 62% 0cm 42° 15°C 0.81mm 0.64kPa 23313m 11m/s 8.1m/s
18:00
70% 7.1°C 0mm 59% 0cm 33° 15°C 0.94mm 0.7kPa 22770m 10m/s 7.9m/s
19:00
67% 7.9°C 0mm 64% 0cm 24° 15°C 1.1mm 0.59kPa 21717m 11m/s 8m/s
20:00
64% 8.6°C 0mm 71% 0cm 15° 14°C 1.4mm 0.45kPa 13790m 10m/s 7.4m/s
21:00
62% 8.1°C 0mm 74% 0cm 7° 13°C 0.25mm 0.38kPa 24135m 8.9m/s 5.1m/s
22:00
59% 7.5°C 0mm 79% 0cm 0.03° 11°C 0.25mm 0.28kPa 24134m 8.5m/s 4.4m/s
23:00 ☾
57% 7.7°C 0mm 80% 0cm -6.7° 11°C 0.31mm 0.26kPa 24135m 8.7m/s 4.5m/s
Wed, Jun 10 Sunrise 05:18 Sunset 22:02
24:00 ☾
53% 7.5°C 0mm 76% 0cm -11° 11°C 0.38mm 0.32kPa 24135m 10m/s 5.3m/s
01:00 ☾
49% 7.8°C 0mm 78% 0cm -14° 12°C 0.44mm 0.3kPa 24135m 9.3m/s 4.8m/s
02:00 ☾
45% 7.8°C 0mm 79% 0cm -14° 11°C 0.5mm 0.28kPa 24135m 8.7m/s 4.6m/s
03:00 ☾
42% 8.1°C 0.02mm 76% 0cm -12° 12°C 0.94mm 0.34kPa 20125m 8.2m/s 5.1m/s
04:00 ☾
38% 8.3°C 0.05mm 74% 0cm -8.5° 13°C 1.4mm 0.39kPa 16115m 7.6m/s 5.7m/s
05:00 ☾
35% 8.5°C 0.07mm 71% 0cm -2.7° 14°C 1.8mm 0.45kPa 12106m 7.1m/s 6.2m/s
06:00
33% 8.4°C 0.06mm 71% 0cm 4.4° 14°C 2.1mm 0.46kPa 16115m 7.5m/s 6.5m/s
07:00
30% 8.4°C 0.04mm 71% 0cm 12° 14°C 2.5mm 0.46kPa 20125m 7.9m/s 6.7m/s
08:00
28% 8.4°C 0.03mm 70% 0cm 21° 14°C 2.8mm 0.46kPa 24135m 8.3m/s 7m/s
09:00
21% 8.5°C 0.02mm 71% 0cm 30° 14°C 2mm 0.46kPa 24135m 8.6m/s 7.5m/s
10:00
14% 8.7°C 0.01mm 71% 0cm 39° 14°C 1.2mm 0.45kPa 24135m 8.9m/s 8m/s
11:00
7% 8.8°C 0mm 72% 0cm 48° 14°C 0.38mm 0.45kPa 24135m 9.3m/s 8.6m/s
12:00
7% 8.9°C 0mm 71% 0cm 55° 14°C 0.54mm 0.46kPa 20444m 9.4m/s 8.7m/s
13:00
6% 8.9°C 0mm 71% 0cm 59° 14°C 0.71mm 0.46kPa 16754m 9.5m/s 8.8m/s
14:00
6% 9°C 0mm 71% 0cm 60° 14°C 0.88mm 0.47kPa 13063m 9.7m/s 8.9m/s
15:00
15% 8.9°C 0.04mm 72% 0cm 57° 14°C 1.3mm 0.44kPa 12573m 9m/s 7.9m/s
16:00
23% 8.9°C 0.07mm 73% 0cm 50° 14°C 1.6mm 0.41kPa 12083m 8.4m/s 7m/s
17:00
32% 8.8°C 0.11mm 74% 0cm 42° 13°C 2mm 0.39kPa 11593m 7.8m/s 6m/s
18:00
33% 8.6°C 0.17mm 73% 0cm 33° 13°C 2.6mm 0.42kPa 12071m 8.2m/s 6.6m/s
19:00
35% 8.4°C 0.24mm 71% 0cm 24° 14°C 3.1mm 0.46kPa 12549m 8.6m/s 7.2m/s
20:00
36% 8.2°C 0.3mm 69% 0cm 15° 14°C 3.7mm 0.5kPa 13027m 9m/s 7.7m/s
21:00
31% 8.3°C 0.22mm 70% 0cm 7.1° 14°C 2.7mm 0.47kPa 16636m 8.8m/s 7.7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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