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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 · ≥ 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 Spread8.5°C
Visibility24134 (Clear)
Relative Humidity55%
Wind Speed3.3m/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 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Helsinki
Fog Probability
≥ 60.0%
Mon, Apr 20
22:000%
23:000%
Tue, Apr 21
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%
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%
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, Apr 23
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, Apr 24
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%
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
Tue, Apr 21 Sunrise 05:55 Sunset 21:05
22:00 ☾
95% -0.9°C 0mm 55% 0cm -6.4° 7.6°C 0mm 0.47kPa 24134m 9.6m/s 3.3m/s
23:00 ☾
95% -1°C 0mm 57% 0cm -12° 7°C 0mm 0.43kPa 24134m 9.4m/s 3.2m/s
Wed, Apr 22 Sunrise 05:55 Sunset 21:05
24:00 ☾
95% -0.9°C 0mm 59% 0cm -15° 6.6°C 0mm 0.4kPa 24134m 9.3m/s 3m/s
01:00 ☾
96% -0.8°C 0mm 61% 0cm -17° 6.1°C 0mm 0.36kPa 24134m 8.6m/s 2.6m/s
02:00 ☾
97% -0.5°C 0mm 64% 0cm -17° 5.6°C 0mm 0.32kPa 24135m 8.6m/s 2.6m/s
03:00 ☾
98% -0.2°C 0mm 68% 0cm -15° 5.3°C 0mm 0.29kPa 24134m 8.8m/s 2.6m/s
04:00 ☾
94% 0.1°C 0mm 71% 0cm -11° 5°C 0mm 0.25kPa 24135m 8.8m/s 2.8m/s
05:00 ☾
91% 0.8°C 0mm 75% 0cm -6.2° 4.9°C 0mm 0.22kPa 24134m 9.8m/s 3.2m/s
06:00
87% 1.2°C 0mm 78% 0cm 0.48° 4.7°C 0mm 0.19kPa 24135m 11m/s 3.4m/s
07:00
72% 1.2°C 0mm 77% 0cm 7.1° 4.9°C 0mm 0.2kPa 24134m 11m/s 3.7m/s
08:00
56% 1°C 0mm 69% 0cm 14° 6.3°C 0mm 0.3kPa 24135m 11m/s 3.9m/s
09:00
41% 0°C 0mm 61% 0cm 22° 7°C 0mm 0.39kPa 24134m 11m/s 4.5m/s
10:00
27% -1.2°C 0mm 53% 0cm 29° 7.6°C 0mm 0.49kPa 24134m 12m/s 5.3m/s
11:00
14% -1.7°C 0mm 49% 0cm 35° 8.4°C 0mm 0.56kPa 24134m 11m/s 5.8m/s
12:00
0% -0.6°C 0mm 52% 0cm 39° 8.7°C 0mm 0.53kPa 24135m 12m/s 6.2m/s
13:00
0% 0.2°C 0mm 52% 0cm 42° 9.6°C 0mm 0.57kPa 24134m 12m/s 6.7m/s
14:00
0% 1.4°C 0mm 54% 0cm 42° 10°C 0mm 0.58kPa 24134m 14m/s 7.7m/s
15:00
0% 2.1°C 0mm 55% 0cm 39° 11°C 0mm 0.57kPa 24135m 14m/s 7.5m/s
16:00
0% 2.6°C 0mm 57% 0cm 35° 11°C 0mm 0.56kPa 24135m 14m/s 7.6m/s
17:00
0% 2.8°C 0mm 58% 0cm 29° 11°C 0mm 0.53kPa 24135m 14m/s 7.2m/s
18:00
0% 2.7°C 0mm 59% 0cm 22° 10°C 0mm 0.52kPa 24135m 13m/s 6.8m/s
19:00
1% 2.4°C 0mm 61% 0cm 14° 9.6°C 0mm 0.47kPa 24135m 12m/s 6.2m/s
20:00
2% 2.1°C 0mm 64% 0cm 7.1° 8.5°C 0mm 0.4kPa 24134m 11m/s 5.4m/s
21:00
3% 1.9°C 0mm 68% 0cm 0.53° 7.4°C 0mm 0.33kPa 24134m 13m/s 4.8m/s
22:00 ☾
29% 1.3°C 0mm 67% 0cm -6.1° 7°C 0mm 0.33kPa 24134m 13m/s 4.9m/s
23:00 ☾
55% 1.1°C 0mm 68% 0cm -11° 6.7°C 0mm 0.32kPa 24134m 11m/s 4.7m/s
Thu, Apr 23 Sunrise 05:52 Sunset 21:07
24:00 ☾
81% -1.2°C 0mm 57% 0cm -15° 6.8°C 0mm 0.42kPa 24135m 14m/s 5m/s
01:00 ☾
82% -5.1°C 0mm 46% 0cm -17° 5.7°C 0mm 0.5kPa 24135m 16m/s 5.8m/s
02:00 ☾
82% -6.8°C 0mm 44% 0cm -17° 4.3°C 0mm 0.46kPa 24135m 17m/s 6m/s
03:00 ☾
83% -9.5°C 0mm 38% 0cm -15° 3.3°C 0mm 0.48kPa 24134m 18m/s 6.1m/s
04:00 ☾
84% -11°C 0mm 34% 0cm -11° 2.9°C 0mm 0.49kPa 24135m 19m/s 6.4m/s
05:00 ☾
86% -12°C 0mm 36% 0cm -5.9° 1.9°C 0mm 0.45kPa 24135m 18m/s 5.9m/s
06:00
87% -11°C 0mm 40% 0cm 0.75° 0.83°C 0mm 0.39kPa 24135m 14m/s 5.3m/s
07:00
87% -10°C 0mm 44% 0cm 7.4° 0.71°C 0mm 0.36kPa 24135m 14m/s 5.4m/s
08:00
87% -9.4°C 0mm 44% 0cm 15° 1.6°C 0mm 0.39kPa 24135m 13m/s 5.4m/s
09:00
87% -9.2°C 0mm 41% 0cm 22° 2.7°C 0mm 0.44kPa 24135m 12m/s 5.8m/s
10:00
87% -9°C 0mm 38% 0cm 29° 4°C 0mm 0.5kPa 24135m 9.9m/s 5.8m/s
11:00
86% -8.6°C 0mm 35% 0cm 35° 5.5°C 0mm 0.58kPa 24134m 9.4m/s 5.8m/s
12:00
86% -8.5°C 0mm 32% 0cm 39° 6.9°C 0mm 0.67kPa 24135m 9.3m/s 5.7m/s
13:00
81% -8.4°C 0mm 30% 0cm 42° 8.2°C 0mm 0.76kPa 24135m 9.8m/s 5.9m/s
14:00
76% -7.7°C 0mm 29% 0cm 42° 9.2°C 0mm 0.82kPa 24135m 9.7m/s 6.1m/s
15:00
71% -6°C 0mm 32% 0cm 39° 9.7°C 0mm 0.81kPa 24134m 9.6m/s 6.1m/s
16:00
60% -5.1°C 0mm 35% 0cm 35° 9.6°C 0mm 0.78kPa 24135m 9.1m/s 6.3m/s
17:00
48% -4.6°C 0mm 38% 0cm 29° 9°C 0mm 0.71kPa 24135m 8.7m/s 6.5m/s
18:00
37% -4.5°C 0mm 40% 0cm 22° 8.2°C 0mm 0.65kPa 24134m 8.1m/s 5.9m/s
19:00
33% -3.8°C 0mm 44% 0cm 15° 7.6°C 0mm 0.58kPa 24135m 8.2m/s 5m/s
20:00
30% -3°C 0mm 52% 0cm 7.4° 6.1°C 0mm 0.45kPa 24134m 9.1m/s 4.7m/s
21:00
26% -2.6°C 0mm 60% 0cm 0.77° 4.4°C 0mm 0.33kPa 24134m 9m/s 3.9m/s
22:00 ☾
22% -2.3°C 0mm 67% 0cm -5.8° 3.3°C 0mm 0.26kPa 24134m 8.7m/s 3.4m/s
23:00 ☾
18% -2.1°C 0mm 70% 0cm -11° 2.7°C 0mm 0.22kPa 24134m 8.1m/s 3.1m/s
Fri, Apr 24 Sunrise 05:50 Sunset 21:10
24:00 ☾
14% -2.1°C 0mm 71% 0cm -15° 2.5°C 0mm 0.21kPa 24134m 7.8m/s 2.8m/s
01:00 ☾
14% -2.2°C 0mm 70% 0cm -17° 2.7°C 0mm 0.22kPa 24135m 7.6m/s 2.4m/s
02:00 ☾
13% -2.3°C 0mm 71% 0cm -16° 2.4°C 0mm 0.21kPa 24135m 7.2m/s 2.3m/s
03:00 ☾
13% -2.4°C 0mm 72% 0cm -15° 2.2°C 0mm 0.2kPa 24135m 6.9m/s 2.3m/s
04:00 ☾
13% -2.5°C 0mm 58% 0cm -11° 5°C 0mm 0.36kPa 24135m 5.6m/s 2.1m/s
05:00 ☾
12% -3.5°C 0mm 45% 0cm -5.6° 7.8°C 0mm 0.58kPa 24135m 4.4m/s 2m/s
06:00
12% -5.7°C 0mm 31% 0cm 1° 11°C 0mm 0.88kPa 24135m 3.1m/s 1.9m/s
07:00
14% -5.4°C 0mm 31% 0cm 7.7° 11°C 0mm 0.93kPa 24135m 3.2m/s 2.1m/s
08:00
16% -5.2°C 0mm 30% 0cm 15° 12°C 0mm 0.98kPa 24135m 3.3m/s 2.3m/s
09:00
18% -4.9°C 0mm 29% 0cm 22° 13°C 0mm 1kPa 24135m 3.4m/s 2.6m/s
10:00
26% -4.4°C 0mm 31% 0cm 29° 12°C 0mm 0.97kPa 24135m 3.6m/s 3m/s
11:00
33% -3.9°C 0mm 33% 0cm 35° 12°C 0mm 0.91kPa 24135m 3.9m/s 3.5m/s
12:00
41% -3.5°C 0mm 36% 0cm 40° 11°C 0mm 0.86kPa 24135m 4.1m/s 4m/s
13:00
41% -3°C 0mm 40% 0cm 42° 9.9°C 0mm 0.72kPa 24135m 4.8m/s 3.6m/s
14:00
41% -2.7°C 0mm 45% 0cm 42° 8.5°C 0mm 0.61kPa 24135m 5.4m/s 3.2m/s
15:00
41% -2.6°C 0mm 50% 0cm 40° 7.2°C 0mm 0.51kPa 24135m 6.1m/s 2.8m/s
16:00
41% -1.8°C 0mm 56% 0cm 35° 6.5°C 0mm 0.43kPa 24135m 5.9m/s 2.4m/s
17:00
40% -1.1°C 0mm 61% 0cm 29° 5.8°C 0mm 0.36kPa 24135m 5.7m/s 2.1m/s
18:00
40% -0.6°C 0mm 67% 0cm 22° 5.1°C 0mm 0.29kPa 24135m 5.4m/s 1.8m/s
19:00
37% 0.1°C 0mm 73% 0cm 15° 4.5°C 0mm 0.22kPa 24135m 5.4m/s 1.8m/s
20:00
34% 0.7°C 0mm 80% 0cm 7.7° 3.8°C 0mm 0.16kPa 24135m 5.4m/s 1.9m/s
21:00
31% 1.2°C 0mm 87% 0cm 1° 3.1°C 0mm 0.1kPa 24135m 5.4m/s 2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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