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More Fog Hunter in Southern Finland
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Rule Fog Hunter

Kurjenrahka - Fog Hunter - Southern Finland

Turku, Southwest Finland, Finland

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 Spread2.9°C
Visibility24134 (Clear)
Relative Humidity82%
Wind Speed1.2m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki

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

Southern Finland's lake district and boreal forests create ideal conditions for fog photography. The region's 188,000 lakes, countless bogs, and mixed forests generate reliable morning mist from late summer through autumn.

What makes Southern Finland special for fog photography:

  • Lake fog - Large lakes like Vesijärvi and Saimaa produce dramatic ground fog at dawn
  • Bog mist - Torronsuo and other wetlands create ethereal low-lying fog over boardwalks
  • Forest atmosphere - Nuuksio and Repovesi offer misty woodland scenes with cliff viewpoints
  • Accessibility - Most locations within 2 hours of Helsinki

Peak fog season runs from August through October, with the strongest conditions occurring on calm, clear nights when temperatures drop near the dewpoint. Arrive before sunrise for the most dramatic mist.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 86 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Helsinki
Fog Probability
≥ 75.0%
Fri, May 15
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, May 16
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, May 17
24:000%
01:000%
02:000%
03:000%
04:0055%
05:0048%
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%
Mon, May 18
24:000%
01:0055%
02:0055%
03:0055%
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%
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/Helsinki
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
Fri, May 15 Sunrise 04:50 Sunset 22:05
23:00 ☾
35% 6.2°C 0mm 82% 0cm -5.1° 9.1°C 0mm 0.21kPa 24134m 1.1m/s 1.2m/s
Sat, May 16 Sunrise 04:50 Sunset 22:05
24:00 ☾
35% 6.3°C 0mm 83% 0cm -8.5° 9.1°C 0mm 0.2kPa 24134m 1.4m/s 1.5m/s
01:00 ☾
36% 6.4°C 0mm 86% 0cm -10° 8.7°C 0mm 0.16kPa 24134m 1.9m/s 1.9m/s
02:00 ☾
37% 6.4°C 0mm 88% 0cm -10° 8.2°C 0mm 0.13kPa 24134m 1.5m/s 1.5m/s
03:00 ☾
38% 6.3°C 0mm 90% 0cm -8.3° 7.9°C 0mm 0.11kPa 24134m 1.3m/s 1.4m/s
04:00 ☾
45% 6.3°C 0mm 91% 0cm -4.6° 7.6°C 0mm 0.1kPa 24134m 1.5m/s 1.5m/s
05:00
52% 6.2°C 0mm 92% 0cm 0.73° 7.4°C 0mm 0.08kPa 24134m 1.9m/s 1.9m/s
06:00
59% 6.2°C 0mm 89% 0cm 6.5° 8°C 0mm 0.12kPa 24134m 2.5m/s 1.9m/s
07:00
54% 6.6°C 0mm 80% 0cm 13° 10°C 0mm 0.25kPa 24135m 3.5m/s 1.9m/s
08:00
50% 6.2°C 0mm 68% 0cm 21° 12°C 0mm 0.45kPa 24135m 3.8m/s 2.4m/s
09:00
45% 5.4°C 0mm 58% 0cm 28° 14°C 0mm 0.66kPa 24135m 3.8m/s 2.4m/s
10:00
37% 4.5°C 0mm 49% 0cm 35° 15°C 0mm 0.87kPa 24135m 3.8m/s 2.4m/s
11:00
30% 3.6°C 0mm 43% 0cm 41° 16°C 0mm 1.1kPa 24135m 3.8m/s 2.7m/s
12:00
22% 2.9°C 0mm 39% 0cm 46° 17°C 0mm 1.2kPa 24134m 3.9m/s 2.8m/s
13:00
19% 2.2°C 0mm 37% 0cm 48° 17°C 0mm 1.2kPa 24134m 4.5m/s 3.9m/s
14:00
15% 2.1°C 0mm 38% 0cm 48° 17°C 0mm 1.2kPa 24135m 5.4m/s 4.7m/s
15:00
12% 2.9°C 0mm 40% 0cm 46° 16°C 0mm 1.1kPa 24134m 6.6m/s 5.4m/s
16:00
18% 5°C 0mm 51% 0cm 41° 15°C 0mm 0.85kPa 24135m 7.4m/s 5m/s
17:00
25% 7.1°C 0mm 66% 0cm 34° 13°C 0mm 0.51kPa 24134m 7.9m/s 4.6m/s
18:00
31% 7.2°C 0mm 79% 0cm 27° 11°C 0mm 0.28kPa 19707m 7.6m/s 4.4m/s
19:00
23% 6°C 0mm 85% 0cm 20° 8.4°C 0mm 0.17kPa 19783m 7.1m/s 4.2m/s
20:00
16% 5.8°C 0mm 87% 0cm 13° 7.9°C 0mm 0.14kPa 24135m 6.4m/s 2.9m/s
21:00
8% 5.9°C 0mm 85% 0cm 6.1° 8.3°C 0mm 0.17kPa 24135m 6.3m/s 2.7m/s
22:00
8% 5.8°C 0mm 86% 0cm 0.43° 8.1°C 0mm 0.15kPa 24134m 6.8m/s 2.8m/s
23:00 ☾
9% 5.7°C 0mm 87% 0cm -4.9° 7.7°C 0mm 0.14kPa 24134m 7m/s 2.6m/s
Sun, May 17 Sunrise 04:48 Sunset 22:08
24:00 ☾
9% 5.4°C 0mm 92% 0cm -8.3° 6.7°C 0mm 0.08kPa 24134m 7.6m/s 2.8m/s
01:00 ☾
11% 5.2°C 0mm 92% 0cm -10° 6.4°C 0mm 0.07kPa 24134m 8.4m/s 2.7m/s
02:00 ☾
13% 5°C 0mm 92% 0cm -10° 6.3°C 0mm 0.08kPa 24135m 7.8m/s 2.8m/s
03:00 ☾
15% 5°C 0mm 94% 0cm -8° 6°C 0mm 0.06kPa 24135m 7.5m/s 2.6m/s
04:00 ☾
20% 4.9°C 0mm 95% 0cm -4.4° 5.7°C 0mm 0.04kPa 24135m 6.8m/s 2.7m/s
05:00
24% 4.9°C 0mm 96% 0cm 0.91° 5.6°C 0mm 0.04kPa 24135m 7.9m/s 2.9m/s
06:00
29% 5.3°C 0mm 93% 0cm 6.7° 6.4°C 0mm 0.07kPa 24134m 9.3m/s 3.4m/s
07:00
28% 4.9°C 0mm 81% 0cm 14° 7.9°C 0mm 0.2kPa 24134m 9.9m/s 3.7m/s
08:00
28% 4.9°C 0mm 77% 0cm 21° 8.7°C 0mm 0.26kPa 24135m 8.3m/s 4.2m/s
09:00
27% 5.1°C 0mm 74% 0cm 28° 9.5°C 0mm 0.31kPa 24135m 8m/s 4.4m/s
10:00
27% 5.3°C 0mm 71% 0cm 35° 10°C 0mm 0.36kPa 24134m 8.2m/s 4.8m/s
11:00
26% 5.5°C 0mm 71% 0cm 41° 11°C 0mm 0.37kPa 24135m 7.9m/s 5.1m/s
12:00
26% 5.6°C 0mm 70% 0cm 46° 11°C 0mm 0.39kPa 21698m 7.9m/s 5.1m/s
13:00
25% 5.6°C 0mm 70% 0cm 49° 11°C 0mm 0.4kPa 21333m 8.7m/s 5.4m/s
14:00
25% 5.6°C 0mm 69% 0cm 49° 11°C 0mm 0.4kPa 21256m 8.9m/s 5.3m/s
15:00
24% 5.7°C 0mm 70% 0cm 46° 11°C 0mm 0.39kPa 21177m 8.8m/s 5.2m/s
16:00
31% 5.7°C 0mm 72% 0cm 41° 11°C 0mm 0.36kPa 21106m 8.5m/s 5m/s
17:00
39% 5.5°C 0mm 72% 0cm 35° 10°C 0mm 0.34kPa 21168m 8.4m/s 5m/s
18:00
46% 5°C 0mm 72% 0cm 28° 9.9°C 0mm 0.34kPa 24134m 8.8m/s 5m/s
19:00
49% 4.7°C 0mm 73% 0cm 20° 9.3°C 0mm 0.32kPa 24135m 8.4m/s 4.8m/s
20:00
53% 4.7°C 0mm 76% 0cm 13° 8.8°C 0mm 0.28kPa 24134m 8m/s 4.4m/s
21:00
56% 4.9°C 0mm 82% 0cm 6.3° 7.7°C 0mm 0.19kPa 24134m 8.2m/s 3.6m/s
22:00
66% 5°C 0mm 89% 0cm 0.61° 6.7°C 0mm 0.11kPa 24135m 8.3m/s 3.3m/s
23:00 ☾
76% 5°C 0mm 92% 0cm -4.6° 6.3°C 0mm 0.08kPa 24134m 8.5m/s 3.1m/s
Mon, May 18 Sunrise 04:45 Sunset 22:10
24:00 ☾
86% 5.1°C 0mm 94% 0cm -8.1° 6.1°C 0mm 0.06kPa 24135m 7.6m/s 2.7m/s
01:00 ☾
86% 5°C 0mm 95% 0cm -9.8° 5.8°C 0mm 0.05kPa 24135m 7m/s 2.5m/s
02:00 ☾
86% 5°C 0mm 95% 0cm -9.7° 5.6°C 0mm 0.04kPa 24134m 6.8m/s 2.4m/s
03:00 ☾
86% 4.8°C 0mm 95% 0cm -7.8° 5.5°C 0mm 0.04kPa 24135m 5m/s 2.1m/s
04:00 ☾
85% 5.2°C 0mm 78% 0cm -4.2° 8.8°C 0mm 0.25kPa 24135m 4m/s 2.2m/s
05:00
85% 4.7°C 0mm 60% 0cm 1.1° 12°C 0mm 0.56kPa 24135m 3m/s 2.3m/s
06:00
84% 3°C 0mm 43% 0cm 6.9° 15°C 0mm 1kPa 24135m 1.9m/s 2.3m/s
07:00
83% 2.9°C 0mm 42% 0cm 14° 16°C 0mm 1kPa 24135m 2.3m/s 2.7m/s
08:00
82% 2.9°C 0mm 41% 0cm 21° 16°C 0mm 1.1kPa 24135m 2.6m/s 3.2m/s
09:00
81% 2.8°C 0mm 40% 0cm 28° 16°C 0mm 1.1kPa 24135m 2.9m/s 3.6m/s
10:00
76% 2.8°C 0mm 42% 0cm 35° 16°C 0mm 1.1kPa 24135m 2.9m/s 3.5m/s
11:00
70% 2.7°C 0mm 43% 0cm 42° 15°C 0mm 0.99kPa 24135m 2.9m/s 3.4m/s
12:00
65% 2.6°C 0mm 44% 0cm 46° 15°C 0mm 0.94kPa 24135m 2.9m/s 3.3m/s
13:00
63% 2.9°C 0mm 48% 0cm 49° 14°C 0mm 0.81kPa 24135m 3m/s 2.8m/s
14:00
60% 3.1°C 0mm 52% 0cm 49° 13°C 0mm 0.7kPa 24135m 3m/s 2.2m/s
15:00
58% 3.1°C 0mm 56% 0cm 46° 12°C 0mm 0.6kPa 24135m 3m/s 1.7m/s
16:00
58% 3°C 0mm 57% 0cm 41° 11°C 0mm 0.58kPa 24135m 3.8m/s 1.9m/s
17:00
59% 2.8°C 0mm 57% 0cm 35° 11°C 0mm 0.56kPa 24135m 4.6m/s 2.1m/s
18:00
59% 2.7°C 0mm 58% 0cm 28° 11°C 0mm 0.54kPa 24135m 5.4m/s 2.3m/s
19:00
57% 3°C 0mm 59% 0cm 20° 11°C 0mm 0.52kPa 24135m 4.2m/s 2m/s
20:00
55% 3.3°C 0mm 61% 0cm 13° 11°C 0mm 0.5kPa 24135m 3m/s 1.7m/s
21:00
53% 3.6°C 0mm 62% 0cm 6.5° 11°C 0mm 0.48kPa 24135m 1.7m/s 1.3m/s
22:00
53% 3.7°C 0mm 64% 0cm 0.79° 10°C 0mm 0.45kPa 24135m 2.4m/s 1.5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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