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Rule Fog Hunter

Marken - Fog Hunter - The Netherlands

Marken, 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 · ≥ 60.0%

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 Spread3.1°C
Visibility24134 (Clear)
Relative Humidity81%
Wind Speed3.7m/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
≥ 60.0%
Fri, Apr 17
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Sat, Apr 18
24:000%
01:000%
02:000%
03:000%
04:000%
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06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Sun, Apr 19
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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15:000%
16:000%
17:000%
18:000%
19:000%
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23:000%
Mon, Apr 20
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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Tue, Apr 21
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
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
Sat, Apr 18 Sunrise 06:35 Sunset 20:43
15:00
2% 7.9°C 0mm 81% 0cm 45° 11°C 0mm 0.25kPa 24134m 5.9m/s 3.7m/s
16:00
3% 5.9°C 0mm 60% 0cm 40° 13°C 0mm 0.62kPa 24135m 6.5m/s 4.7m/s
17:00
5% 5°C 0mm 58% 0cm 32° 13°C 0mm 0.63kPa 24135m 6.5m/s 5.3m/s
18:00
11% 4.8°C 0mm 60% 0cm 24° 12°C 0mm 0.58kPa 24135m 6.3m/s 4.8m/s
19:00
17% 5.5°C 0mm 67% 0cm 15° 11°C 0mm 0.45kPa 24135m 6.4m/s 4.3m/s
20:00
23% 6.2°C 0mm 77% 0cm 5.7° 10°C 0mm 0.29kPa 24134m 5.7m/s 3.2m/s
21:00 ☾
49% 6.1°C 0mm 88% 0cm -3.1° 8°C 0mm 0.13kPa 24135m 5.2m/s 2.8m/s
22:00 ☾
74% 6°C 0mm 92% 0cm -11° 7.3°C 0mm 0.09kPa 24135m 3.5m/s 2.4m/s
23:00 ☾
100% 5.8°C 0mm 92% 0cm -18° 7.1°C 0mm 0.08kPa 24134m 2.7m/s 2.1m/s
Sun, Apr 19 Sunrise 06:35 Sunset 20:43
24:00 ☾
97% 6°C 0mm 92% 0cm -23° 7.2°C 0mm 0.08kPa 24134m 2.9m/s 2.3m/s
01:00 ☾
93% 5.9°C 0mm 92% 0cm -26° 7.1°C 0mm 0.08kPa 24135m 3.8m/s 2.6m/s
02:00 ☾
90% 5.8°C 0mm 92% 0cm -26° 7.1°C 0mm 0.08kPa 24135m 4.1m/s 2.6m/s
03:00 ☾
85% 5.7°C 0mm 90% 0cm -24° 7.1°C 0mm 0.1kPa 24135m 5.5m/s 2.8m/s
04:00 ☾
79% 5.8°C 0mm 80% 0cm -20° 9°C 0mm 0.23kPa 24135m 8.5m/s 3.2m/s
05:00 ☾
74% 6.2°C 0mm 81% 0cm -13° 9.2°C 0mm 0.22kPa 24135m 9m/s 5m/s
06:00 ☾
76% 5.5°C 0mm 86% 0cm -5.5° 7.7°C 0.06mm 0.15kPa 24135m 10m/s 5m/s
07:00
77% 4.9°C 0mm 88% 0cm 3.3° 6.7°C 0.06mm 0.11kPa 24134m 10m/s 4.3m/s
08:00
79% 4.8°C 0mm 80% 0cm 12° 8°C 0.06mm 0.21kPa 24134m 9m/s 4.8m/s
09:00
65% 4.1°C 0mm 70% 0cm 21° 9.4°C 0mm 0.36kPa 24135m 8.1m/s 5.7m/s
10:00
50% 3.7°C 0mm 64% 0cm 30° 10°C 0mm 0.44kPa 24134m 7.6m/s 5.6m/s
11:00
36% 3.6°C 0mm 60% 0cm 38° 11°C 0mm 0.54kPa 24134m 7.5m/s 5.6m/s
12:00
36% 3.7°C 0mm 57% 0cm 44° 12°C 0mm 0.6kPa 24134m 7.3m/s 5.5m/s
13:00
36% 3.7°C 0mm 56% 0cm 48° 12°C 0.06mm 0.63kPa 24135m 7m/s 5.8m/s
14:00
36% 2.8°C 0mm 54% 0cm 49° 12°C 0.06mm 0.65kPa 24134m 7.1m/s 6m/s
15:00
47% 2.3°C 0mm 52% 0cm 46° 12°C 0mm 0.67kPa 24135m 7m/s 6m/s
16:00
57% 2.1°C 0mm 53% 0cm 40° 11°C 0mm 0.62kPa 24135m 7m/s 5.9m/s
17:00
68% 2.1°C 0mm 53% 0cm 33° 11°C 0mm 0.62kPa 24134m 7.1m/s 5.9m/s
18:00
66% 2.3°C 0mm 57% 0cm 24° 10°C 0mm 0.54kPa 24134m 7.1m/s 5.9m/s
19:00
63% 2.7°C 0mm 63% 0cm 15° 9.5°C 0mm 0.44kPa 24134m 6.5m/s 5.2m/s
20:00
61% 3.6°C 0mm 72% 0cm 5.9° 8.3°C 0mm 0.3kPa 24134m 6.1m/s 4.1m/s
21:00 ☾
62% 3.6°C 0mm 83% 0cm -2.8° 6.3°C 0mm 0.16kPa 24134m 6.2m/s 3.3m/s
22:00 ☾
62% 3.5°C 0mm 88% 0cm -11° 5.4°C 0mm 0.11kPa 24134m 6.2m/s 3m/s
23:00 ☾
63% 3.1°C 0mm 88% 0cm -18° 4.9°C 0mm 0.11kPa 24135m 6.1m/s 3m/s
Mon, Apr 20 Sunrise 06:33 Sunset 20:44
24:00 ☾
60% 2.5°C 0mm 87% 0cm -23° 4.6°C 0mm 0.11kPa 24134m 5m/s 2.7m/s
01:00 ☾
58% 2.3°C 0mm 87% 0cm -26° 4.3°C 0mm 0.11kPa 24135m 4.2m/s 2.6m/s
02:00 ☾
55% 2°C 0mm 86% 0cm -26° 4.1°C 0mm 0.11kPa 24134m 3.9m/s 2.5m/s
03:00 ☾
53% 1.7°C 0mm 85% 0cm -24° 3.9°C 0mm 0.12kPa 24135m 3.4m/s 2.4m/s
04:00 ☾
52% 1.3°C 0mm 84% 0cm -19° 3.7°C 0mm 0.13kPa 24135m 3.1m/s 2.4m/s
05:00 ☾
50% 1°C 0mm 84% 0cm -13° 3.5°C 0mm 0.13kPa 24134m 2.7m/s 2.2m/s
06:00 ☾
49% 0.7°C 0mm 82% 0cm -5.1° 3.5°C 0mm 0.14kPa 24135m 2.1m/s 1.8m/s
07:00
49% 0.5°C 0mm 77% 0cm 3.6° 4.2°C 0mm 0.19kPa 24134m 1.9m/s 1.6m/s
08:00
48% 0.6°C 0mm 68% 0cm 12° 6.1°C 0mm 0.3kPa 24134m 2.8m/s 1.4m/s
09:00
43% 0.1°C 0mm 57% 0cm 22° 8.1°C 0mm 0.46kPa 24134m 3.3m/s 1.8m/s
10:00
39% -0.7°C 0mm 50% 0cm 30° 9.1°C 0mm 0.57kPa 24135m 2.7m/s 2.2m/s
11:00
34% -1°C 0mm 46% 0cm 38° 10°C 0mm 0.66kPa 24135m 2.5m/s 2.1m/s
12:00
29% -0.9°C 0mm 45% 0cm 45° 11°C 0mm 0.7kPa 24134m 2.8m/s 2.7m/s
13:00
23% -0.4°C 0mm 45% 0cm 48° 11°C 0mm 0.73kPa 24134m 3.4m/s 3.7m/s
14:00
18% -0.1°C 0mm 45% 0cm 49° 11°C 0mm 0.73kPa 24135m 3.9m/s 4.1m/s
15:00
20% 0.5°C 0mm 46% 0cm 46° 12°C 0mm 0.73kPa 24135m 4.2m/s 4.3m/s
16:00
23% 1.6°C 0mm 50% 0cm 40° 12°C 0mm 0.67kPa 24134m 4.8m/s 5.3m/s
17:00
25% 2.5°C 0mm 55% 0cm 33° 11°C 0mm 0.59kPa 24134m 5.3m/s 5.7m/s
18:00
27% 3.1°C 0mm 60% 0cm 24° 11°C 0mm 0.51kPa 24135m 6.5m/s 6m/s
19:00
29% 5.1°C 0mm 73% 0cm 15° 9.6°C 0.06mm 0.32kPa 20720m 7.1m/s 5.8m/s
20:00
31% 5.2°C 0mm 80% 0cm 6.2° 8.5°C 0.19mm 0.22kPa 24135m 8.2m/s 6.1m/s
21:00 ☾
39% 3.9°C 0mm 80% 0cm -2.6° 7.2°C 0.13mm 0.2kPa 24135m 8.5m/s 5.8m/s
22:00 ☾
48% 2.7°C 0mm 80% 0cm -11° 5.9°C 0.06mm 0.19kPa 24135m 8.7m/s 5.5m/s
23:00 ☾
56% 1.4°C 0mm 80% 0cm -17° 4.6°C 0mm 0.17kPa 24135m 8.9m/s 5.1m/s
Tue, Apr 21 Sunrise 06:31 Sunset 20:46
24:00 ☾
55% 1.2°C 0mm 78% 0cm -22° 4.7°C 0mm 0.19kPa 24135m 8.9m/s 5.1m/s
01:00 ☾
55% 0.9°C 0mm 75% 0cm -25° 4.9°C 0mm 0.21kPa 24135m 8.9m/s 5.1m/s
02:00 ☾
54% 0.7°C 0mm 73% 0cm -26° 5.1°C 0mm 0.23kPa 24135m 8.8m/s 5.1m/s
03:00 ☾
54% 0.7°C 0mm 68% 0cm -23° 6.2°C 0mm 0.3kPa 24135m 8.4m/s 5.3m/s
04:00 ☾
55% 0.7°C 0mm 63% 0cm -19° 7.2°C 0mm 0.38kPa 24135m 8m/s 5.5m/s
05:00 ☾
55% 0.5°C 0mm 58% 0cm -13° 8.3°C 0mm 0.46kPa 24135m 7.6m/s 5.7m/s
06:00 ☾
54% 0.7°C 0mm 55% 0cm -4.8° 9.4°C 0mm 0.53kPa 24135m 7.5m/s 5.7m/s
07:00
53% 0.9°C 0mm 52% 0cm 3.9° 10°C 0mm 0.61kPa 24135m 7.3m/s 5.7m/s
08:00
52% 1.1°C 0mm 48% 0cm 13° 12°C 0mm 0.7kPa 24135m 7.2m/s 5.6m/s
09:00
58% 0.9°C 0mm 47% 0cm 22° 12°C 0mm 0.74kPa 24135m 7.2m/s 5.7m/s
10:00
64% 0.8°C 0mm 45% 0cm 31° 12°C 0mm 0.78kPa 24135m 7.2m/s 5.7m/s
11:00
70% 0.6°C 0mm 44% 0cm 39° 13°C 0mm 0.82kPa 24135m 7.2m/s 5.7m/s
12:00
70% 1.6°C 0mm 49% 0cm 45° 12°C 0mm 0.71kPa 24135m 7.7m/s 5.2m/s
13:00
70% 2.4°C 0mm 54% 0cm 49° 11°C 0mm 0.61kPa 24135m 8.2m/s 4.8m/s
14:00
70% 3.1°C 0mm 60% 0cm 49° 11°C 0mm 0.52kPa 24135m 8.7m/s 4.4m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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