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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 · ≥ 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 Spread2.3°C
Visibility24134 (Clear)
Relative Humidity85%
Wind Speed7.1m/s (moderate winds)

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%
Wed, Mar 11
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, Mar 12
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, Mar 13
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, Mar 14
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%
Sun, Mar 15
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
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
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Thu, Mar 12 Sunrise 07:04 Sunset 18:41
08:00
4.2°C 0mm 85% 0cm 6.5°C 0mm 0.14kPa 24134m 13m/s 7.1m/s
09:00
4.6°C 0mm 84% 0cm 7.2°C 0mm 0.17kPa 24134m 14m/s 7.6m/s
10:00
4.6°C 0mm 78% 0cm 8.2°C 0mm 0.24kPa 24134m 14m/s 8.1m/s
11:00
4.2°C 0mm 71% 0cm 9.2°C 0mm 0.33kPa 24134m 14m/s 8.6m/s
12:00
3.7°C 0mm 65% 0cm 10°C 0mm 0.43kPa 24134m 14m/s 8.8m/s
13:00
3.2°C 0mm 58% 0cm 11°C 0mm 0.55kPa 24135m 14m/s 9m/s
14:00
3°C 0mm 55% 0cm 12°C 0mm 0.61kPa 24135m 15m/s 9.4m/s
15:00
3.5°C 0mm 56% 0cm 12°C 0mm 0.61kPa 24135m 16m/s 9.1m/s
16:00
3.9°C 0mm 59% 0cm 12°C 0mm 0.56kPa 24134m 17m/s 9.1m/s
17:00
4.3°C 0mm 61% 0cm 12°C 0mm 0.53kPa 24135m 17m/s 9.4m/s
18:00
4.2°C 0mm 62% 0cm 11°C 0mm 0.5kPa 24135m 17m/s 9.4m/s
19:00 ☾
4.5°C 0mm 65% 0cm 11°C 0mm 0.46kPa 24135m 17m/s 9.4m/s
20:00 ☾
4.8°C 0mm 67% 0cm 11°C 0mm 0.43kPa 24134m 18m/s 9.8m/s
21:00 ☾
5.1°C 0mm 69% 0cm 11°C 0mm 0.4kPa 24134m 18m/s 10m/s
22:00 ☾
5.4°C 0mm 71% 0cm 10°C 0mm 0.37kPa 24134m 19m/s 10m/s
23:00 ☾
5.8°C 0.01mm 73% 0cm 10°C 0mm 0.34kPa 24134m 18m/s 9.9m/s
Fri, Mar 13 Sunrise 07:04 Sunset 18:41
24:00 ☾
6.2°C 0mm 74% 0cm 11°C 0mm 0.33kPa 24135m 19m/s 10m/s
01:00 ☾
6.4°C 0mm 76% 0cm 10°C 0mm 0.3kPa 24135m 19m/s 10m/s
02:00 ☾
6.3°C 0mm 76% 0cm 10°C 0mm 0.3kPa 24135m 19m/s 11m/s
03:00 ☾
6.3°C 0.01mm 77% 0cm 10°C 0mm 0.29kPa 24134m 21m/s 11m/s
04:00 ☾
6.4°C 0.06mm 78% 0cm 10°C 0.06mm 0.27kPa 24135m 21m/s 12m/s
05:00 ☾
6.6°C 0.19mm 80% 0cm 9.9°C 0.13mm 0.24kPa 24134m 22m/s 12m/s
06:00 ☾
7°C 0.47mm 83% 0cm 9.8°C 0.25mm 0.21kPa 19647m 21m/s 11m/s
07:00 ☾
7.4°C 2.2mm 92% 0cm 8.5°C 2.4mm 0.09kPa 6778m 13m/s 8.1m/s
08:00
6.1°C 2mm 88% 0cm 8°C 1.9mm 0.13kPa 7156m 14m/s 8.5m/s
09:00
4.7°C 1.2mm 86% 0cm 6.9°C 3.6mm 0.14kPa 9821m 13m/s 6.1m/s
10:00
4.9°C 0.71mm 86% 0cm 7°C 4.4mm 0.14kPa 11352m 9.4m/s 6.1m/s
11:00
4.2°C 0.83mm 85% 0cm 6.5°C 5.4mm 0.14kPa 11495m 8.2m/s 5.5m/s
12:00
4.1°C 0.59mm 85% 0cm 6.4°C 6.3mm 0.14kPa 14284m 7.9m/s 4.7m/s
13:00
3.9°C 0.52mm 82% 0cm 6.7°C 6.8mm 0.18kPa 15322m 9m/s 5.8m/s
14:00
2.4°C 0.97mm 81% 0cm 5.3°C 0.94mm 0.17kPa 11969m 9.9m/s 4.7m/s
15:00
3.2°C 0mm 79% 0cm 6.5°C 1.3mm 0.2kPa 24135m 6.9m/s 4.3m/s
16:00
2.8°C 0mm 75% 0cm 6.8°C 1.3mm 0.24kPa 24134m 7.5m/s 6.1m/s
17:00
2.4°C 0mm 75% 0cm 6.5°C 1.3mm 0.24kPa 24134m 8.5m/s 5.8m/s
18:00
2.4°C 0mm 75% 0cm 6.5°C 1.3mm 0.24kPa 24134m 8.5m/s 5.3m/s
19:00 ☾
2.6°C 0mm 77% 0cm 6.5°C 1.3mm 0.23kPa 24135m 7.7m/s 4.6m/s
20:00 ☾
2.8°C 0mm 79% 0cm 6.2°C 0mm 0.2kPa 24135m 7.2m/s 4.2m/s
21:00 ☾
2.9°C 0mm 81% 0cm 5.9°C 0mm 0.18kPa 24135m 6.6m/s 3.8m/s
22:00 ☾
3°C 0mm 82% 0cm 5.8°C 0mm 0.16kPa 24135m 5.6m/s 3.3m/s
23:00 ☾
3°C 0mm 83% 0cm 5.6°C 0mm 0.15kPa 24135m 4.8m/s 2.8m/s
Sat, Mar 14 Sunrise 07:01 Sunset 18:43
24:00 ☾
3.3°C 0mm 85% 0cm 5.6°C 0mm 0.14kPa 24135m 4.6m/s 2.8m/s
01:00 ☾
3.2°C 0mm 85% 0cm 5.6°C 0mm 0.14kPa 24135m 4.1m/s 2.7m/s
02:00 ☾
3.2°C 0.01mm 85% 0cm 5.5°C 0.13mm 0.13kPa 24073m 3.5m/s 2.3m/s
03:00 ☾
3.1°C 0.04mm 85% 0cm 5.5°C 0.25mm 0.14kPa 24135m 2.2m/s 1.7m/s
04:00 ☾
3.2°C 0.21mm 85% 0cm 5.5°C 0.5mm 0.13kPa 19119m 1.5m/s 1.3m/s
05:00 ☾
3.1°C 0.2mm 85% 0cm 5.5°C 0.81mm 0.14kPa 18533m 1.6m/s 0.98m/s
06:00 ☾
3.2°C 0.7mm 87% 0cm 5.2°C 1.4mm 0.12kPa 11386m 2.7m/s 1.9m/s
07:00
3.6°C 1.1mm 92% 0cm 4.7°C 2.5mm 0.06kPa 9337m 3.9m/s 3m/s
08:00
3.6°C 1.4mm 94% 0cm 4.4°C 1.2mm 0.05kPa 975m 4.8m/s 3.7m/s
09:00
3°C 1mm 91% 0cm 4.4°C 2.5mm 0.08kPa 5010m 6.2m/s 3.7m/s
10:00
2.3°C 0.49mm 85% 0cm 4.6°C 3.4mm 0.13kPa 14134m 6.1m/s 2.8m/s
11:00
2.1°C 0.24mm 82% 0cm 5°C 3.8mm 0.16kPa 20500m 3.8m/s 1.7m/s
12:00
2.1°C 0.04mm 78% 0cm 5.6°C 4mm 0.2kPa 24135m 1.9m/s 0.41m/s
13:00
2.1°C 0.05mm 75% 0cm 6.2°C 4.1mm 0.24kPa 23606m 2.7m/s 1.5m/s
14:00
1.6°C 0mm 70% 0cm 6.6°C 0.13mm 0.29kPa 24135m 4m/s 2.7m/s
15:00
0.8°C 0mm 65% 0cm 7.1°C 0.13mm 0.36kPa 24135m 4.7m/s 4.2m/s
16:00
0.5°C 0mm 64% 0cm 7°C 0.13mm 0.36kPa 24135m 4.2m/s 3.5m/s
17:00
1.1°C 0mm 67% 0cm 6.9°C 0.13mm 0.33kPa 24134m 4.1m/s 3.1m/s
18:00
1.8°C 0mm 72% 0cm 6.5°C 0.19mm 0.27kPa 23887m 3.5m/s 2.4m/s
19:00 ☾
2.5°C 0mm 77% 0cm 6.3°C 0.25mm 0.22kPa 22977m 3.6m/s 2.2m/s
20:00 ☾
2.6°C 0mm 79% 0cm 5.9°C 0.19mm 0.19kPa 23363m 3.3m/s 2m/s
21:00 ☾
2.7°C 0mm 82% 0cm 5.6°C 0.13mm 0.16kPa 23749m 3m/s 1.8m/s
22:00 ☾
2.9°C 0mm 85% 0cm 5.2°C 0.06mm 0.14kPa 24135m 2.7m/s 1.7m/s
23:00 ☾
2.8°C 0mm 86% 0cm 4.8°C 0.1mm 0.12kPa 24135m 2.4m/s 1.7m/s
Sun, Mar 15 Sunrise 06:59 Sunset 18:44
24:00 ☾
2.7°C 0mm 88% 0cm 4.5°C 0.15mm 0.1kPa 24135m 2.2m/s 1.6m/s
01:00 ☾
2.6°C 0mm 90% 0cm 4.1°C 0.19mm 0.08kPa 24135m 1.9m/s 1.6m/s
02:00 ☾
2.3°C 0mm 89% 0cm 4°C 0.13mm 0.09kPa 24135m 2m/s 1.7m/s
03:00 ☾
2°C 0mm 88% 0cm 3.8°C 0.06mm 0.1kPa 24135m 2m/s 1.8m/s
04:00 ☾
1.7°C 0mm 87% 0cm 3.7°C 0mm 0.1kPa 24135m 2m/s 1.9m/s
05:00 ☾
1.7°C 0.007mm 87% 0cm 3.6°C 0mm 0.1kPa 24135m 2.4m/s 2m/s
06:00 ☾
1.7°C 0.01mm 88% 0cm 3.5°C 0mm 0.1kPa 24135m 2.7m/s 2.1m/s
07:00
1.6°C 0.02mm 88% 0cm 3.5°C 0mm 0.1kPa 24135m 3m/s 2.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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