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Rule Fog Hunter

Delft - Fog Hunter - The Netherlands

Delft, South 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 Spread6.9°C
Visibility24135 (Clear)
Relative Humidity65%
Wind Speed4.2m/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%
Tue, Jul 7
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Wed, Jul 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%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Thu, Jul 9
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%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Fri, Jul 10
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%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Sat, Jul 11
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%
14:000%
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
Wed, Jul 8 Sunrise 05:33 Sunset 22:01
16:00
66% 15°C 0mm 65% 0cm 51° 21°C 0mm 0.89kPa 24135m 4.9m/s 4.2m/s
17:00
91% 15°C 0mm 65% 0cm 43° 21°C 0mm 0.89kPa 24135m 5m/s 4.2m/s
18:00
93% 14°C 0mm 66% 0cm 34° 21°C 0mm 0.85kPa 24135m 5m/s 4m/s
19:00
95% 15°C 0mm 68% 0cm 25° 21°C 0mm 0.79kPa 24135m 5m/s 3.9m/s
20:00
97% 15°C 0mm 70% 0cm 16° 20°C 0mm 0.71kPa 24134m 4.9m/s 3.6m/s
21:00
98% 15°C 0mm 74% 0cm 7.2° 19°C 0mm 0.57kPa 24134m 4.7m/s 3.3m/s
22:00
98% 15°C 0mm 80% 0cm -0.02° 18°C 0mm 0.41kPa 24134m 4.3m/s 2.4m/s
23:00 ☾
99% 15°C 0mm 83% 0cm -7° 18°C 0mm 0.35kPa 24135m 3.6m/s 2m/s
Thu, Jul 9 Sunrise 05:33 Sunset 22:01
24:00 ☾
99% 15°C 0mm 83% 0cm -12° 18°C 0mm 0.34kPa 24134m 3.4m/s 1.9m/s
01:00 ☾
100% 15°C 0mm 83% 0cm -15° 18°C 0mm 0.33kPa 24134m 2.9m/s 1.9m/s
02:00 ☾
100% 14°C 0mm 84% 0cm -16° 17°C 0mm 0.32kPa 24135m 2.4m/s 1.8m/s
03:00 ☾
100% 14°C 0mm 84% 0cm -14° 17°C 0mm 0.31kPa 24135m 2.2m/s 1.7m/s
04:00 ☾
100% 14°C 0mm 84% 0cm -10° 17°C 0mm 0.3kPa 24135m 1.7m/s 1.5m/s
05:00 ☾
100% 14°C 0mm 85% 0cm -4.6° 17°C 0mm 0.28kPa 24134m 1.2m/s 1.2m/s
06:00
100% 14°C 0mm 85% 0cm 2.7° 16°C 0mm 0.28kPa 24134m 1.2m/s 1.2m/s
07:00
100% 14°C 0mm 81% 0cm 11° 17°C 0mm 0.37kPa 24134m 1.4m/s 1.1m/s
08:00
100% 14°C 0mm 75% 0cm 19° 18°C 0mm 0.53kPa 24135m 1.5m/s 1.1m/s
09:00
100% 14°C 0mm 68% 0cm 28° 20°C 0mm 0.74kPa 24135m 1.9m/s 1.3m/s
10:00
100% 14°C 0mm 62% 0cm 38° 21°C 0mm 0.96kPa 24134m 1.9m/s 1.3m/s
11:00
100% 14°C 0mm 58% 0cm 46° 23°C 0mm 1.1kPa 24135m 2.2m/s 1.8m/s
12:00
100% 14°C 0mm 56% 0cm 54° 23°C 0mm 1.3kPa 24134m 2.6m/s 2.5m/s
13:00
100% 14°C 0mm 55% 0cm 59° 24°C 0mm 1.3kPa 24135m 2.8m/s 3.1m/s
14:00
100% 14°C 0mm 54% 0cm 60° 25°C 0mm 1.4kPa 24135m 3m/s 3.5m/s
15:00
99% 15°C 0mm 53% 0cm 57° 25°C 0mm 1.5kPa 24134m 3.3m/s 3.8m/s
16:00
99% 15°C 0mm 53% 0cm 51° 25°C 0mm 1.5kPa 24135m 3.8m/s 4.3m/s
17:00
98% 15°C 0mm 55% 0cm 43° 25°C 0mm 1.4kPa 24135m 4.2m/s 4.5m/s
18:00
98% 15°C 0mm 58% 0cm 34° 24°C 0mm 1.3kPa 24134m 5m/s 4.6m/s
19:00
97% 15°C 0mm 62% 0cm 25° 23°C 0mm 1.1kPa 24135m 6.1m/s 4.6m/s
20:00
97% 16°C 0mm 66% 0cm 16° 22°C 0mm 0.9kPa 24135m 6.3m/s 4.3m/s
21:00
91% 16°C 0mm 68% 0cm 7.2° 22°C 0mm 0.83kPa 24134m 5.9m/s 3.6m/s
22:00
86% 16°C 0mm 68% 0cm -0.18° 22°C 0mm 0.83kPa 24135m 7m/s 3.2m/s
23:00 ☾
80% 15°C 0mm 69% 0cm -7.1° 21°C 0mm 0.77kPa 24135m 7.7m/s 3.7m/s
Fri, Jul 10 Sunrise 05:34 Sunset 22:00
24:00 ☾
75% 15°C 0mm 72% 0cm -12° 20°C 0mm 0.66kPa 24135m 8.1m/s 3.6m/s
01:00 ☾
71% 15°C 0mm 76% 0cm -15° 19°C 0mm 0.55kPa 24135m 8.1m/s 3.5m/s
02:00 ☾
66% 15°C 0mm 77% 0cm -16° 19°C 0mm 0.5kPa 24135m 7.2m/s 3.3m/s
03:00 ☾
60% 15°C 0mm 79% 0cm -14° 19°C 0mm 0.45kPa 24135m 6.7m/s 3.1m/s
04:00 ☾
53% 15°C 0mm 80% 0cm -10° 18°C 0mm 0.4kPa 24135m 6.2m/s 2.9m/s
05:00 ☾
47% 14°C 0mm 81% 0cm -4.7° 17°C 0mm 0.38kPa 24134m 6m/s 2.9m/s
06:00
45% 13°C 0mm 79% 0cm 2.5° 17°C 0mm 0.41kPa 24135m 5.9m/s 2.8m/s
07:00
44% 13°C 0mm 73% 0cm 10° 18°C 0mm 0.54kPa 24134m 5.3m/s 2.8m/s
08:00
42% 12°C 0mm 65% 0cm 19° 19°C 0mm 0.77kPa 24135m 4.6m/s 2.9m/s
09:00
46% 12°C 0mm 58% 0cm 28° 21°C 0mm 1kPa 24134m 4.4m/s 2.9m/s
10:00
50% 13°C 0mm 54% 0cm 37° 23°C 0mm 1.3kPa 24134m 4.1m/s 2.8m/s
11:00
54% 13°C 0mm 50% 0cm 46° 24°C 0mm 1.5kPa 24135m 4.1m/s 2.7m/s
12:00
54% 13°C 0mm 48% 0cm 54° 25°C 0mm 1.7kPa 24134m 3.7m/s 2.7m/s
13:00
53% 14°C 0mm 48% 0cm 59° 26°C 0mm 1.8kPa 24134m 3.8m/s 3.1m/s
14:00
53% 14°C 0mm 48% 0cm 60° 26°C 0mm 1.8kPa 24134m 4m/s 4m/s
15:00
56% 15°C 0mm 50% 0cm 57° 26°C 0mm 1.7kPa 24135m 4.5m/s 5m/s
16:00
58% 15°C 0mm 55% 0cm 51° 25°C 0mm 1.4kPa 24134m 6m/s 6m/s
17:00
61% 16°C 0mm 59% 0cm 43° 24°C 0mm 1.2kPa 24134m 7.6m/s 6.2m/s
18:00
61% 16°C 0mm 61% 0cm 34° 24°C 0mm 1.1kPa 24135m 9m/s 6.7m/s
19:00
62% 16°C 0mm 62% 0cm 25° 23°C 0mm 1.1kPa 24135m 9.2m/s 6.7m/s
20:00
62% 16°C 0mm 62% 0cm 16° 23°C 0mm 1.1kPa 24135m 9.4m/s 6.1m/s
21:00
66% 16°C 0mm 71% 0cm 7.1° 21°C 0mm 0.71kPa 24135m 7.8m/s 4.9m/s
22:00
71% 15°C 0mm 80% 0cm -0.33° 19°C 0mm 0.42kPa 24135m 6.3m/s 3.6m/s
23:00 ☾
75% 14°C 0mm 89% 0cm -7.2° 16°C 0mm 0.2kPa 24135m 4.7m/s 2.4m/s
Sat, Jul 11 Sunrise 05:35 Sunset 22:00
24:00 ☾
78% 14°C 0mm 84% 0cm -12° 17°C 0mm 0.31kPa 24135m 4.6m/s 2.5m/s
01:00 ☾
80% 14°C 0mm 79% 0cm -15° 18°C 0mm 0.44kPa 24135m 4.5m/s 2.7m/s
02:00 ☾
83% 14°C 0mm 73% 0cm -16° 19°C 0mm 0.59kPa 24135m 4.3m/s 2.8m/s
03:00 ☾
84% 14°C 0mm 64% 0cm -14° 21°C 0mm 0.89kPa 24135m 4.2m/s 3m/s
04:00 ☾
85% 14°C 0mm 55% 0cm -10° 23°C 0mm 1.3kPa 24135m 4.1m/s 3.1m/s
05:00 ☾
86% 13°C 0mm 46% 0cm -4.8° 25°C 0mm 1.7kPa 24135m 4m/s 3.2m/s
06:00
87% 13°C 0mm 44% 0cm 2.4° 26°C 0mm 1.9kPa 24135m 4m/s 3.6m/s
07:00
88% 12°C 0mm 41% 0cm 10° 27°C 0mm 2.1kPa 24135m 4m/s 4m/s
08:00
89% 12°C 0mm 38% 0cm 19° 28°C 0mm 2.3kPa 24135m 3.9m/s 4.4m/s
09:00
91% 13°C 0mm 41% 0cm 28° 27°C 0mm 2.1kPa 24135m 4.5m/s 4.8m/s
10:00
92% 13°C 0mm 45% 0cm 37° 26°C 0mm 1.9kPa 24135m 5m/s 5.2m/s
11:00
94% 14°C 0mm 48% 0cm 46° 26°C 0mm 1.7kPa 24135m 5.5m/s 5.5m/s
12:00
94% 13°C 0mm 46% 0cm 54° 26°C 0mm 1.8kPa 24135m 5.5m/s 5.1m/s
13:00
95% 13°C 0mm 44% 0cm 59° 26°C 0mm 1.9kPa 24135m 5.5m/s 4.6m/s
14:00
95% 12°C 0mm 42% 0cm 60° 26°C 0mm 2kPa 24135m 5.4m/s 4.2m/s
15:00
96% 14°C 0mm 51% 0cm 57° 24°C 0mm 1.5kPa 24135m 7.7m/s 4.6m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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