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Rule Fog Hunter

Charmouth - Fog Hunter - Dorset & Jurassic Coast

Charmouth, England, United Kingdom

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
Dewpoint Spread3.8°C
Visibility24134 (Clear)
Relative Humidity77%
Wind Speed8.5m/s (moderate winds)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London

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

This forecast identifies when mist and fog conditions create atmospheric photography opportunities across Dorset's varied landscape. We track temperature, humidity, and wind patterns to predict when valley mist at Corfe Castle and sea fog along the coast will create moody, atmospheric scenes.

Dorset's geography creates distinctive fog opportunities—inland valleys that funnel mist around hilltop Corfe Castle, and coastal locations where sea fog rolls over limestone arches and cliff formations. These conditions transform familiar landmarks into mysterious, layered compositions.

What makes Dorset special for fog photography:

  • Corfe Castle - Ruined hilltop fortress emerges from valley mist, creating dramatic atmospheric layers
  • Coastal sea fog - Marine layer rolls over Durdle Door and along the Jurassic Coast
  • Kimmeridge Bay - Fog drifts across ledge formations extending into the sea
  • Portland - Sea fog wraps around the limestone peninsula and lighthouse

Corfe Castle offers Dorset's most dramatic fog photography—the ruined medieval fortress perched on a hilltop becomes even more evocative when valley mist swirls around its ramparts. Autumn and winter mornings (October-March) provide the best conditions when temperature inversions trap mist in the Purbeck valleys. Sea fog along the coast creates ethereal conditions at Durdle Door—the limestone arch appears and disappears through drifting layers. Portland Bill lighthouse cutting through sea fog creates moody maritime compositions. Lulworth Cove's horseshoe bay can fill completely with fog while surrounding cliffs remain visible. The key is monitoring overnight temperature drops that create mist, then being positioned at dawn when fog is densest and first light adds dimension. Fog typically burns off by mid-morning, so early starts are essential.

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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/London
Fog Probability
≥ 60.0%
Mon, Apr 20
20:000%
21:000%
22:000%
23:000%
Tue, Apr 21
24:000%
01:000%
02:000%
03:0021%
04:0021%
05:000%
06:000%
07:0021%
08:000%
09:000%
10:000%
11:000%
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16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Wed, Apr 22
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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22:000%
23:000%
Thu, Apr 23
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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Fri, Apr 24
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
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14:000%
15:000%
16:000%
17:000%
18:000%
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/London
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
Tue, Apr 21 Sunrise 06:05 Sunset 20:16
20:00
31% 5.3°C 0mm 77% 0cm 1.9° 9.1°C 0mm 0.27kPa 24134m 14m/s 8.5m/s
21:00
38% 4.1°C 0mm 75% 0cm -7° 8.4°C 0mm 0.28kPa 24134m 15m/s 8.4m/s
22:00
44% 3.4°C 0mm 75% 0cm -15° 7.6°C 0mm 0.26kPa 24134m 15m/s 8.5m/s
23:00
36% 1.9°C 0mm 72% 0cm -21° 6.7°C 0mm 0.28kPa 24134m 16m/s 8.8m/s
Wed, Apr 22 Sunrise 06:05 Sunset 20:16
24:00
29% 0.4°C 0mm 67% 0cm -25° 6°C 0mm 0.31kPa 24135m 17m/s 9.2m/s
01:00
21% 0.3°C 0mm 68% 0cm -27° 5.8°C 0mm 0.3kPa 24134m 18m/s 9.4m/s
02:00
20% 1°C 0mm 72% 0cm -26° 5.6°C 0mm 0.25kPa 24135m 18m/s 9.4m/s
03:00
20% 1.7°C 0mm 76% 0cm -23° 5.7°C 0mm 0.22kPa 24134m 18m/s 8.9m/s
04:00
19% 2.1°C 0mm 78% 0cm -17° 5.5°C 0mm 0.19kPa 24135m 17m/s 8.7m/s
05:00
19% 2.8°C 0mm 82% 0cm -9.7° 5.5°C 0mm 0.16kPa 24134m 17m/s 8.6m/s
06:00
19% 3.2°C 0mm 87% 0cm -1.1° 5.2°C 0mm 0.12kPa 24135m 17m/s 8.7m/s
07:00
19% 3.7°C 0mm 88% 0cm 5.6°C 0mm 0.11kPa 24134m 17m/s 8.9m/s
08:00
30% 4.7°C 0mm 84% 0cm 17° 7.1°C 0mm 0.16kPa 24134m 16m/s 8.9m/s
09:00
41% 5.6°C 0mm 80% 0cm 27° 8.8°C 0mm 0.22kPa 24134m 15m/s 8.9m/s
10:00
52% 5.7°C 0mm 73% 0cm 36° 10°C 0mm 0.33kPa 24135m 15m/s 8.7m/s
11:00
44% 6.1°C 0mm 69% 0cm 43° 12°C 0mm 0.43kPa 24134m 15m/s 9.7m/s
12:00
36% 6°C 0mm 65% 0cm 49° 12°C 0mm 0.5kPa 24134m 15m/s 10m/s
13:00
28% 5.8°C 0mm 63% 0cm 52° 13°C 0mm 0.54kPa 24135m 14m/s 10m/s
14:00
21% 5.6°C 0mm 62% 0cm 50° 13°C 0mm 0.54kPa 24135m 15m/s 10m/s
15:00
13% 5.7°C 0mm 64% 0cm 46° 12°C 0mm 0.53kPa 24135m 14m/s 9.3m/s
16:00
6% 5.9°C 0mm 66% 0cm 38° 12°C 0mm 0.47kPa 24135m 13m/s 8.5m/s
17:00
5% 6°C 0mm 67% 0cm 30° 12°C 0mm 0.46kPa 24135m 14m/s 8.5m/s
18:00
5% 5.3°C 0mm 66% 0cm 21° 11°C 0mm 0.45kPa 24134m 14m/s 8.1m/s
19:00
4% 5°C 0mm 66% 0cm 11° 11°C 0mm 0.45kPa 24134m 14m/s 7.2m/s
20:00
4% 4.9°C 0mm 68% 0cm 2.2° 11°C 0mm 0.41kPa 24134m 14m/s 6.9m/s
21:00
5% 5°C 0mm 71% 0cm -6.8° 10°C 0mm 0.35kPa 24134m 14m/s 6.6m/s
22:00
5% 4.5°C 0mm 75% 0cm -15° 8.8°C 0mm 0.29kPa 24135m 14m/s 6.6m/s
23:00
6% 3.9°C 0mm 75% 0cm -21° 8°C 0mm 0.26kPa 24135m 15m/s 6.6m/s
Thu, Apr 23 Sunrise 06:03 Sunset 20:17
24:00
8% 3.3°C 0mm 75% 0cm -25° 7.4°C 0mm 0.25kPa 24135m 15m/s 6.3m/s
01:00
9% 2.8°C 0mm 73% 0cm -27° 7.4°C 0mm 0.28kPa 24134m 15m/s 6.3m/s
02:00
13% 2.6°C 0mm 74% 0cm -26° 7°C 0mm 0.26kPa 24135m 14m/s 6.1m/s
03:00
18% 2.7°C 0mm 76% 0cm -22° 6.5°C 0mm 0.23kPa 24135m 13m/s 5.7m/s
04:00
22% 2.8°C 0mm 79% 0cm -17° 6.1°C 0mm 0.19kPa 24135m 13m/s 5.8m/s
05:00
23% 3°C 0mm 82% 0cm -9.4° 5.9°C 0mm 0.17kPa 24135m 13m/s 5.7m/s
06:00
24% 3.1°C 0mm 82% 0cm -0.68° 5.9°C 0mm 0.17kPa 24135m 13m/s 5.8m/s
07:00
25% 3.7°C 0mm 82% 0cm 8.2° 6.6°C 0mm 0.18kPa 24135m 14m/s 5.8m/s
08:00
32% 5°C 0mm 80% 0cm 18° 8.3°C 0mm 0.22kPa 24135m 14m/s 6.6m/s
09:00
38% 6.4°C 0mm 77% 0cm 27° 10°C 0mm 0.29kPa 24134m 14m/s 7.4m/s
10:00
45% 6.7°C 0mm 72% 0cm 36° 12°C 0mm 0.38kPa 24135m 13m/s 7.9m/s
11:00
47% 7.1°C 0mm 68% 0cm 44° 13°C 0mm 0.49kPa 24135m 12m/s 8.1m/s
12:00
48% 7.4°C 0mm 65% 0cm 49° 14°C 0mm 0.55kPa 24135m 12m/s 8.3m/s
13:00
50% 7.5°C 0mm 64% 0cm 52° 14°C 0mm 0.59kPa 24134m 12m/s 8.1m/s
14:00
60% 7.9°C 0mm 64% 0cm 51° 15°C 0mm 0.6kPa 24135m 11m/s 7.7m/s
15:00
69% 8.3°C 0mm 66% 0cm 46° 15°C 0mm 0.56kPa 24135m 11m/s 7.2m/s
16:00
79% 8.8°C 0mm 69% 0cm 39° 14°C 0mm 0.51kPa 24134m 10m/s 6.5m/s
17:00
80% 9.5°C 0mm 74% 0cm 30° 14°C 0mm 0.42kPa 24135m 9.5m/s 5.9m/s
18:00
82% 9.4°C 0mm 76% 0cm 21° 14°C 0mm 0.37kPa 24134m 9.1m/s 5.2m/s
19:00
83% 8.9°C 0mm 78% 0cm 11° 13°C 0mm 0.31kPa 24134m 8.9m/s 4.5m/s
20:00
81% 7.6°C 0mm 82% 0cm 2.4° 10°C 0mm 0.22kPa 24134m 7.2m/s 3.5m/s
21:00
79% 5.7°C 0mm 82% 0cm -6.5° 8.6°C 0mm 0.2kPa 24134m 9m/s 3.7m/s
22:00
77% 3.9°C 0mm 79% 0cm -14° 7.2°C 0mm 0.21kPa 24134m 14m/s 4.8m/s
23:00
77% 1.5°C 0mm 68% 0cm -20° 7°C 0mm 0.32kPa 24135m 15m/s 5.3m/s
Fri, Apr 24 Sunrise 06:01 Sunset 20:19
24:00
76% 0.8°C 0mm 65% 0cm -25° 6.9°C 0mm 0.35kPa 24135m 15m/s 6m/s
01:00
76% 0.2°C 0mm 64% 0cm -26° 6.5°C 0mm 0.35kPa 24135m 15m/s 6.2m/s
02:00
77% 1.3°C 0mm 65% 0cm -25° 7.4°C 0mm 0.36kPa 24135m 13m/s 6.8m/s
03:00
78% 2.4°C 0mm 66% 0cm -22° 8.3°C 0mm 0.37kPa 24135m 12m/s 7.5m/s
04:00
79% 3.5°C 0mm 67% 0cm -16° 9.2°C 0mm 0.38kPa 24135m 10m/s 8.1m/s
05:00
78% 4.2°C 0mm 68% 0cm -9.1° 9.7°C 0mm 0.38kPa 24135m 10m/s 7.6m/s
06:00
77% 4.9°C 0mm 69% 0cm -0.26° 10°C 0mm 0.38kPa 24135m 10m/s 7.1m/s
07:00
76% 5.6°C 0mm 70% 0cm 8.5° 11°C 0mm 0.38kPa 24135m 9.8m/s 6.6m/s
08:00
71% 5.7°C 0mm 71% 0cm 18° 11°C 0mm 0.38kPa 24135m 9.6m/s 6.3m/s
09:00
67% 5.8°C 0mm 71% 0cm 27° 11°C 0mm 0.38kPa 24135m 9.5m/s 6.1m/s
10:00
62% 6°C 0mm 71% 0cm 36° 11°C 0mm 0.38kPa 24135m 9.3m/s 5.8m/s
11:00
60% 6.1°C 0mm 71% 0cm 44° 11°C 0mm 0.39kPa 24135m 7.6m/s 5.2m/s
12:00
57% 6.2°C 0mm 70% 0cm 50° 11°C 0mm 0.4kPa 24135m 6m/s 4.5m/s
13:00
55% 6.3°C 0mm 70% 0cm 52° 12°C 0mm 0.41kPa 24135m 4.3m/s 3.8m/s
14:00
52% 6.5°C 0mm 71% 0cm 51° 12°C 0mm 0.39kPa 24135m 3.9m/s 3.5m/s
15:00
50% 6.7°C 0mm 73% 0cm 46° 11°C 0mm 0.37kPa 24135m 3.5m/s 3.2m/s
16:00
47% 6.9°C 0mm 74% 0cm 39° 11°C 0mm 0.35kPa 24135m 3.1m/s 2.9m/s
17:00
46% 7°C 0mm 75% 0cm 30° 11°C 0mm 0.33kPa 24135m 3.6m/s 3.4m/s
18:00
44% 7.1°C 0mm 76% 0cm 21° 11°C 0mm 0.31kPa 24135m 4m/s 3.8m/s
19:00
43% 7.2°C 0mm 78% 0cm 12° 11°C 0mm 0.29kPa 24135m 4.5m/s 4.2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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