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Rule Fog Hunter

Kimmeridge Bay - Fog Hunter - Dorset & Jurassic Coast

Wareham, England, United Kingdom

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread6.2°C
Visibility24134 (Clear)
Relative Humidity66%
Wind Speed7.5m/s (moderate winds)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London
fog weather icon
Next opportunity
Dense Fog
Kimmeridge Bay
Sun, May 24 · 22:00–03:00 · 5h window
High confidence
78%
🌫️Fog Probability86-100%
Dewpoint Spread: 0.3°C
Visibility: 358 (Fog)
Relative Humidity: 98%
Wind Speed: 3.3m/s (calm conditions)
fog weather icon
Dense Fog
Kimmeridge Bay
Wed, May 27 · 15:00–17:00
🌫️Fog Probability:94.3-96.2%
High

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
≥ 75.0%
Sun, May 17
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, May 18
24:000%
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Tue, May 19
24:000%
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Wed, May 20
24:000%
01:000%
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Thu, May 21
24:000%
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07:000%
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11:000%
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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/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
Mon, May 18 Sunrise 05:16 Sunset 20:54
15:00
7% 6.8°C 0mm 66% 0cm 52° 13°C 0.13mm 0.51kPa 24134m 8.3m/s 7.5m/s
16:00
10% 7.4°C 0mm 71% 0cm 44° 12°C 0.25mm 0.41kPa 24134m 8.8m/s 7.7m/s
17:00
7% 7.8°C 0mm 75% 0cm 35° 12°C 0.38mm 0.36kPa 17076m 8.6m/s 7.1m/s
18:00
5% 8.3°C 0mm 80% 0cm 25° 12°C 0.5mm 0.28kPa 24134m 8.6m/s 6.9m/s
19:00
2% 8.3°C 0mm 82% 0cm 16° 11°C 0.56mm 0.24kPa 24135m 8.6m/s 6.1m/s
20:00
1% 8°C 0mm 83% 0cm 6.9° 11°C 0mm 0.22kPa 24135m 8.8m/s 5.4m/s
21:00
1% 8°C 0.04mm 85% 0cm -1.3° 10°C 0mm 0.19kPa 24135m 9.2m/s 5.2m/s
22:00
0% 8.8°C 0.23mm 89% 0cm -8.7° 10°C 0.13mm 0.13kPa 21674m 9.9m/s 5.3m/s
23:00
0% 9.5°C 0.52mm 94% 0cm -14° 10°C 0.69mm 0.07kPa 17864m 9.3m/s 5.3m/s
Tue, May 19 Sunrise 05:16 Sunset 20:54
24:00
0% 9.7°C 0.26mm 95% 0cm -18° 10°C 1.2mm 0.06kPa 19742m 12m/s 6.6m/s
01:00
0% 9.6°C 0.12mm 94% 0cm -20° 10°C 1.3mm 0.07kPa 24134m 13m/s 7.4m/s
02:00
0% 10°C 0.69mm 95% 0cm -19° 11°C 0.38mm 0.06kPa 13888m 13m/s 8.4m/s
03:00
0% 10°C 1.1mm 96% 0cm -15° 11°C 1.3mm 0.05kPa 11305m 14m/s 8.7m/s
04:00
0% 11°C 2.4mm 98% 0cm -9.7° 11°C 3.2mm 0.03kPa 3274m 15m/s 8.4m/s
05:00
0% 11°C 0.63mm 97% 0cm -2.6° 11°C 4.6mm 0.04kPa 8276m 16m/s 9.4m/s
06:00
0% 11°C 0.15mm 97% 0cm 5.6° 12°C 5mm 0.04kPa 10911m 16m/s 9.8m/s
07:00
0% 12°C 0mm 96% 0cm 14° 12°C 5.1mm 0.06kPa 24134m 12m/s 7.6m/s
08:00
1% 12°C 0mm 93% 0cm 24° 13°C 0.13mm 0.11kPa 22420m 11m/s 7.7m/s
09:00
3% 12°C 0mm 91% 0cm 33° 14°C 0.19mm 0.15kPa 24135m 11m/s 7.5m/s
10:00
4% 12°C 0mm 87% 0cm 42° 14°C 0.38mm 0.22kPa 16282m 12m/s 8.6m/s
11:00
3% 12°C 0mm 91% 0cm 51° 14°C 0.63mm 0.15kPa 18421m 13m/s 8.4m/s
12:00
1% 13°C 0mm 91% 0cm 57° 14°C 1.1mm 0.14kPa 15387m 13m/s 9.1m/s
13:00
0% 12°C 0mm 81% 0cm 59° 15°C 1.3mm 0.32kPa 23909m 13m/s 9.7m/s
14:00
3% 11°C 0mm 76% 0cm 57° 15°C 0.13mm 0.42kPa 20581m 14m/s 10m/s
15:00
7% 10°C 0mm 70% 0cm 52° 16°C 0.19mm 0.53kPa 24134m 14m/s 10m/s
16:00
10% 10°C 0mm 71% 0cm 44° 15°C 0.19mm 0.5kPa 24134m 14m/s 11m/s
17:00
10% 10°C 0mm 74% 0cm 35° 15°C 0.25mm 0.45kPa 24135m 15m/s 10m/s
18:00
10% 11°C 0mm 80% 0cm 25° 14°C 0.25mm 0.32kPa 24134m 15m/s 9.9m/s
19:00
10% 11°C 0mm 84% 0cm 16° 13°C 0.25mm 0.25kPa 24135m 15m/s 9.6m/s
20:00
26% 10°C 0mm 87% 0cm 7.1° 12°C 0mm 0.19kPa 24134m 15m/s 9.2m/s
21:00
43% 9.8°C 0mm 88% 0cm -1.1° 12°C 0mm 0.16kPa 24134m 15m/s 8.8m/s
22:00
59% 9.6°C 0mm 89% 0cm -8.5° 11°C 0mm 0.15kPa 24135m 15m/s 8.5m/s
23:00
53% 9.9°C 0mm 90% 0cm -14° 11°C 0mm 0.13kPa 24135m 15m/s 8m/s
Wed, May 20 Sunrise 05:14 Sunset 20:55
24:00
47% 10°C 0mm 86% 0cm -18° 12°C 0mm 0.21kPa 24134m 15m/s 8.4m/s
01:00
41% 10°C 0mm 87% 0cm -19° 12°C 0mm 0.18kPa 24134m 15m/s 8.7m/s
02:00
35% 10°C 0mm 85% 0cm -18° 13°C 0mm 0.22kPa 24135m 14m/s 8.4m/s
03:00
29% 11°C 0mm 88% 0cm -15° 12°C 0mm 0.17kPa 24135m 13m/s 7.6m/s
04:00
23% 11°C 0mm 90% 0cm -9.5° 12°C 0mm 0.14kPa 24135m 14m/s 6.9m/s
05:00
19% 11°C 0.14mm 90% 0cm -2.4° 13°C 0mm 0.15kPa 24135m 16m/s 7.9m/s
06:00
14% 11°C 0mm 91% 0cm 5.8° 13°C 0.13mm 0.13kPa 22570m 15m/s 7.9m/s
07:00
10% 12°C 0mm 92% 0cm 15° 13°C 0.19mm 0.12kPa 24134m 13m/s 7.5m/s
08:00
16% 12°C 0mm 92% 0cm 24° 13°C 0mm 0.12kPa 24134m 12m/s 7.1m/s
09:00
21% 12°C 0mm 90% 0cm 33° 14°C 0mm 0.16kPa 24134m 12m/s 7.6m/s
10:00
27% 12°C 0.02mm 84% 0cm 43° 14°C 0.06mm 0.25kPa 24135m 11m/s 8.1m/s
11:00
24% 12°C 0mm 85% 0cm 51° 14°C 0.06mm 0.24kPa 24135m 11m/s 7.3m/s
12:00
20% 11°C 0mm 75% 0cm 57° 16°C 0.13mm 0.45kPa 24135m 12m/s 8.6m/s
13:00
17% 12°C 0mm 72% 0cm 59° 17°C 0.13mm 0.52kPa 24134m 11m/s 8.5m/s
14:00
20% 12°C 0mm 71% 0cm 58° 17°C 0mm 0.57kPa 24135m 11m/s 8.3m/s
15:00
24% 12°C 0mm 72% 0cm 52° 17°C 0mm 0.54kPa 24135m 11m/s 8.2m/s
16:00
27% 12°C 0mm 73% 0cm 44° 17°C 0mm 0.52kPa 24134m 11m/s 7.8m/s
17:00
29% 12°C 0mm 75% 0cm 35° 17°C 0mm 0.47kPa 24135m 10m/s 7.5m/s
18:00
31% 12°C 0mm 77% 0cm 26° 16°C 0mm 0.41kPa 24135m 10m/s 7.2m/s
19:00
33% 12°C 0mm 82% 0cm 16° 15°C 0mm 0.3kPa 24134m 10m/s 6.1m/s
20:00
32% 12°C 0mm 86% 0cm 7.3° 14°C 0mm 0.24kPa 24134m 9.1m/s 5.5m/s
21:00
31% 12°C 0mm 89% 0cm -0.86° 14°C 0mm 0.18kPa 24135m 7.8m/s 4.9m/s
22:00
30% 12°C 0mm 92% 0cm -8.3° 13°C 0mm 0.12kPa 24135m 6.4m/s 4.4m/s
23:00
21% 12°C 0mm 92% 0cm -14° 13°C 0mm 0.12kPa 24135m 6.6m/s 4.4m/s
Thu, May 21 Sunrise 05:13 Sunset 20:57
24:00
11% 12°C 0mm 92% 0cm -18° 13°C 0mm 0.12kPa 24135m 6.8m/s 4.5m/s
01:00
2% 12°C 0mm 92% 0cm -19° 13°C 0mm 0.11kPa 24135m 7m/s 4.5m/s
02:00
1% 12°C 0mm 92% 0cm -18° 13°C 0mm 0.11kPa 24135m 6.3m/s 4.2m/s
03:00
1% 12°C 0mm 92% 0cm -15° 13°C 0mm 0.12kPa 24135m 5.5m/s 3.8m/s
04:00
0% 12°C 0mm 92% 0cm -9.3° 13°C 0mm 0.12kPa 24135m 4.7m/s 3.4m/s
05:00
0% 12°C 0mm 92% 0cm -2.3° 13°C 0mm 0.12kPa 24135m 4.1m/s 3.2m/s
06:00
0% 12°C 0mm 92% 0cm 5.9° 13°C 0mm 0.12kPa 24135m 3.5m/s 3m/s
07:00
0% 12°C 0mm 92% 0cm 15° 13°C 0mm 0.12kPa 24135m 2.9m/s 2.7m/s
08:00
11% 12°C 0mm 90% 0cm 24° 14°C 0mm 0.15kPa 24135m 3.1m/s 2.9m/s
09:00
21% 12°C 0mm 88% 0cm 34° 14°C 0mm 0.18kPa 24135m 3.3m/s 3m/s
10:00
32% 12°C 0mm 87% 0cm 43° 14°C 0mm 0.22kPa 24135m 3.5m/s 3.1m/s
11:00
33% 12°C 0mm 85% 0cm 51° 15°C 0mm 0.25kPa 24135m 3.9m/s 3.5m/s
12:00
34% 12°C 0mm 83% 0cm 57° 15°C 0mm 0.3kPa 24135m 4.3m/s 3.8m/s
13:00
35% 13°C 0mm 81% 0cm 60° 16°C 0mm 0.34kPa 24135m 4.6m/s 4.1m/s
14:00
44% 13°C 0mm 83% 0cm 58° 15°C 0mm 0.29kPa 24135m 5.7m/s 4.7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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