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Rule Fog Hunter

Swanage - Fog Hunter - Dorset & Jurassic Coast

Swanage, 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 · ≥ 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
Dewpoint Spread1.3°C
Visibility24135 (Clear)
Relative Humidity92%
Wind Speed2.9m/s (calm conditions)

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
≥ 75.0%
Sat, May 23
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Sun, May 24
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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11:000%
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13:000%
14:000%
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16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, May 25
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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Tue, May 26
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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Wed, May 27
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%
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
Sun, May 24 Sunrise 05:08 Sunset 21:01
14:00
100% 14°C 0mm 92% 0cm 58° 15°C 0mm 0.14kPa 24135m 2.9m/s 2.9m/s
15:00
100% 14°C 0mm 94% 0cm 53° 15°C 0mm 0.11kPa 10697m 2.9m/s 2.9m/s
16:00
100% 14°C 0mm 93% 0cm 45° 15°C 0mm 0.12kPa 10462m 2.3m/s 2.2m/s
17:00
100% 14°C 0mm 92% 0cm 36° 16°C 0mm 0.15kPa 10470m 1.9m/s 1.8m/s
18:00
100% 14°C 0mm 90% 0cm 26° 16°C 0mm 0.18kPa 10464m 2.1m/s 2.1m/s
19:00
100% 14°C 0mm 89% 0cm 17° 16°C 0mm 0.2kPa 10880m 2.5m/s 2.4m/s
20:00
100% 14°C 0mm 87% 0cm 7.8° 16°C 0mm 0.24kPa 24135m 2.9m/s 2.9m/s
21:00
100% 14°C 0mm 87% 0cm -0.03° 16°C 0mm 0.24kPa 24134m 3.3m/s 3.3m/s
22:00
100% 14°C 0mm 88% 0cm -7.7° 16°C 0mm 0.21kPa 24135m 3.6m/s 3.6m/s
23:00
100% 14°C 0mm 90% 0cm -13° 16°C 0mm 0.18kPa 24134m 3.8m/s 3.8m/s
Mon, May 25 Sunrise 05:08 Sunset 21:01
24:00
100% 14°C 0mm 90% 0cm -17° 15°C 0mm 0.17kPa 24135m 4m/s 4m/s
01:00
100% 14°C 0mm 90% 0cm -18° 15°C 0mm 0.18kPa 24135m 4.4m/s 4.3m/s
02:00
100% 13°C 0mm 90% 0cm -17° 15°C 0mm 0.16kPa 24135m 5.3m/s 4.7m/s
03:00
99% 13°C 0mm 92% 0cm -14° 14°C 0mm 0.13kPa 24135m 5.4m/s 4.8m/s
04:00
99% 13°C 0mm 92% 0cm -8.7° 14°C 0mm 0.13kPa 24135m 5.4m/s 4.9m/s
05:00
99% 13°C 0mm 92% 0cm -1.6° 14°C 0mm 0.13kPa 24134m 6.2m/s 4.9m/s
06:00
99% 13°C 0mm 92% 0cm 6.5° 14°C 0mm 0.13kPa 24134m 6.3m/s 4.9m/s
07:00
99% 13°C 0mm 92% 0cm 15° 14°C 0mm 0.12kPa 24134m 6.5m/s 5m/s
08:00
99% 13°C 0mm 92% 0cm 25° 14°C 0mm 0.12kPa 24135m 7.3m/s 5.3m/s
09:00
100% 13°C 0mm 93% 0cm 34° 14°C 0mm 0.12kPa 24134m 8.3m/s 5.7m/s
10:00
100% 13°C 0mm 94% 0cm 43° 14°C 0mm 0.1kPa 24135m 8.6m/s 5.9m/s
11:00
100% 13°C 0mm 96% 0cm 52° 14°C 0mm 0.07kPa 10502m 8.4m/s 5.8m/s
12:00
99% 14°C 0mm 96% 0cm 58° 14°C 0mm 0.07kPa 10376m 8.8m/s 6m/s
13:00
99% 14°C 0mm 95% 0cm 60° 14°C 0mm 0.09kPa 10388m 9.2m/s 6.3m/s
14:00
99% 13°C 0mm 93% 0cm 58° 15°C 0mm 0.12kPa 10400m 9.1m/s 6.2m/s
15:00
98% 13°C 0mm 91% 0cm 53° 15°C 0mm 0.15kPa 10432m 9.2m/s 6.3m/s
16:00
98% 13°C 0mm 90% 0cm 45° 15°C 0mm 0.16kPa 10522m 9.1m/s 6.1m/s
17:00
99% 13°C 0mm 89% 0cm 36° 15°C 0mm 0.18kPa 24134m 8.2m/s 5.7m/s
18:00
99% 13°C 0mm 87% 0cm 26° 15°C 0mm 0.22kPa 24135m 7.2m/s 5.4m/s
19:00
100% 13°C 0mm 87% 0cm 17° 16°C 0mm 0.23kPa 24134m 7.3m/s 5.5m/s
20:00
98% 13°C 0mm 87% 0cm 16°C 0mm 0.24kPa 24135m 7.2m/s 5.4m/s
21:00
97% 13°C 0mm 87% 0cm 0.12° 16°C 0mm 0.23kPa 24134m 6.9m/s 5.2m/s
22:00
95% 13°C 0mm 87% 0cm -7.5° 15°C 0mm 0.22kPa 24135m 6.5m/s 4.8m/s
23:00
95% 13°C 0mm 88% 0cm -13° 15°C 0mm 0.21kPa 24134m 5.3m/s 4.5m/s
Tue, May 26 Sunrise 05:07 Sunset 21:02
24:00
95% 13°C 0mm 88% 0cm -17° 15°C 0mm 0.2kPa 24134m 6.4m/s 4.9m/s
01:00
95% 13°C 0mm 89% 0cm -18° 15°C 0mm 0.18kPa 24135m 6.4m/s 5m/s
02:00
95% 13°C 0mm 91% 0cm -17° 15°C 0mm 0.16kPa 24134m 4.8m/s 4.7m/s
03:00
96% 13°C 0mm 92% 0cm -14° 14°C 0mm 0.13kPa 24135m 4.6m/s 4.6m/s
04:00
96% 13°C 0mm 93% 0cm -8.5° 14°C 0mm 0.11kPa 24134m 4.1m/s 4.1m/s
05:00
97% 13°C 0mm 94% 0cm -1.4° 14°C 0mm 0.1kPa 24134m 3.9m/s 3.9m/s
06:00
97% 13°C 0mm 94% 0cm 6.6° 14°C 0mm 0.1kPa 24134m 4.1m/s 4m/s
07:00
98% 13°C 0mm 94% 0cm 15° 14°C 0mm 0.09kPa 24135m 4.1m/s 4.1m/s
08:00
98% 13°C 0mm 95% 0cm 25° 14°C 0mm 0.08kPa 24134m 4.3m/s 4.3m/s
09:00
98% 13°C 0mm 95% 0cm 34° 14°C 0mm 0.08kPa 24135m 5m/s 4.4m/s
10:00
98% 13°C 0mm 93% 0cm 44° 14°C 0mm 0.1kPa 24134m 5.5m/s 4.4m/s
11:00
98% 13°C 0mm 92% 0cm 52° 14°C 0mm 0.12kPa 24135m 5.6m/s 4.5m/s
12:00
99% 12°C 0mm 90% 0cm 58° 14°C 0mm 0.16kPa 24134m 5.8m/s 4.5m/s
13:00
99% 12°C 0mm 89% 0cm 61° 14°C 0mm 0.18kPa 24134m 5.6m/s 4.3m/s
14:00
99% 12°C 0mm 88% 0cm 59° 14°C 0mm 0.2kPa 24134m 5.5m/s 4.2m/s
15:00
100% 12°C 0mm 86% 0cm 53° 15°C 0mm 0.23kPa 24135m 5.3m/s 4m/s
16:00
100% 12°C 0mm 85% 0cm 45° 15°C 0mm 0.26kPa 24135m 4.6m/s 3.8m/s
17:00
100% 12°C 0mm 84% 0cm 36° 15°C 0mm 0.28kPa 24134m 4m/s 3.9m/s
18:00
100% 12°C 0mm 83% 0cm 26° 15°C 0mm 0.29kPa 24135m 4m/s 4m/s
19:00
100% 13°C 0mm 83% 0cm 17° 15°C 0mm 0.3kPa 24134m 3.9m/s 3.9m/s
20:00
99% 12°C 0mm 83% 0cm 8.1° 15°C 0mm 0.29kPa 24134m 4.4m/s 4.2m/s
21:00
97% 12°C 0mm 83% 0cm 0.25° 15°C 0mm 0.29kPa 24135m 5m/s 4.5m/s
22:00
96% 12°C 0mm 83% 0cm -7.4° 15°C 0mm 0.28kPa 24135m 5.5m/s 4.8m/s
23:00
96% 12°C 0mm 84% 0cm -13° 15°C 0mm 0.27kPa 24135m 6.4m/s 5m/s
Wed, May 27 Sunrise 05:06 Sunset 21:04
24:00
97% 12°C 0mm 84% 0cm -17° 15°C 0mm 0.26kPa 24135m 7.2m/s 5.3m/s
01:00
97% 12°C 0mm 85% 0cm -18° 15°C 0mm 0.25kPa 24135m 8.1m/s 5.6m/s
02:00
91% 12°C 0mm 86% 0cm -17° 15°C 0mm 0.24kPa 24135m 9.4m/s 6m/s
03:00
86% 12°C 0mm 86% 0cm -14° 14°C 0mm 0.22kPa 24135m 11m/s 6.5m/s
04:00
80% 12°C 0mm 87% 0cm -8.4° 14°C 0mm 0.21kPa 24135m 12m/s 6.9m/s
05:00
81% 13°C 0mm 87% 0cm -1.3° 15°C 0mm 0.21kPa 24135m 12m/s 6.8m/s
06:00
83% 13°C 0mm 87% 0cm 6.7° 15°C 0mm 0.21kPa 24135m 12m/s 6.7m/s
07:00
84% 13°C 0mm 88% 0cm 16° 15°C 0mm 0.21kPa 24135m 12m/s 6.6m/s
08:00
84% 13°C 0mm 87% 0cm 25° 15°C 0mm 0.22kPa 24135m 12m/s 6.8m/s
09:00
85% 13°C 0mm 87% 0cm 34° 15°C 0mm 0.22kPa 24135m 12m/s 7m/s
10:00
85% 13°C 0mm 86% 0cm 44° 15°C 0mm 0.23kPa 24135m 13m/s 7.1m/s
11:00
85% 13°C 0mm 85% 0cm 52° 15°C 0mm 0.25kPa 24135m 13m/s 7.5m/s
12:00
86% 13°C 0mm 84% 0cm 58° 16°C 0mm 0.28kPa 24135m 14m/s 7.9m/s
13:00
86% 13°C 0mm 83% 0cm 61° 16°C 0mm 0.3kPa 24135m 15m/s 8.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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