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Rule Fog Hunter

Gosausee - Fog Hunter - Salzkammergut

Gosau, Upper Austria, Austria

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread1.2°C
Visibility24135 (Clear)
Relative Humidity91%
Wind Speed1.0m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Vienna
Next opportunity
Dense Fog (lingering) at Sunset
Gosausee
Sun, Feb 15 · 16:00–17:00 · 1h window
Medium confidence
57%
🌫️Fog Probability100%
Dewpoint Spread: 0.2°C
Visibility: 1764 (Mist/Haze)
Relative Humidity: 99%
Wind Speed: 1.3m/s (calm conditions)

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks the atmospheric conditions that create Austria's most iconic lakeside photography. We combine fog probability, wind speed, and visibility data to predict when mist and mirror-like reflections transform the Salzkammergut.

Hallstatt may be the world's most photographed village, with its pastel houses reflected in an alpine lake beneath towering peaks. But the wider Salzkammergut region offers equally stunning scenes at less-visited lakes, all sharing the same dramatic geography.

What makes Salzkammergut special for photography:

  • Lake fog - Cool nights and sheltered valleys create reliable morning mist
  • Mirror reflections - Calm alpine lakes produce perfect reflections of villages and peaks
  • Alpine backdrop - The Dachstein massif provides dramatic mountain scenery
  • Historic villages - Centuries-old lakeside towns offer timeless compositions

Peak fog season runs from September through November. Arrive well before dawn for the best mist at Hallstatt—the classic viewpoint fills quickly. For quieter alternatives, Gosausee offers stunning Dachstein reflections with fewer crowds. Wind is the enemy of reflections—our forecast helps you find calm mornings.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 72 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Vienna
Fog Probability
≥ 85.0%
Dewpoint Spread
≤ 2.0°C
Visibility
≤ 3000.0m
Wind Speed
≤ 2.0m/s
Sun, Feb 8
07:000%1.1°C24134m1.2m/s
08:000%1.2°C24135m0.99m/s
09:000%2.2°C24134m0.42m/s
10:000%2.6°C24134m0.23m/s
11:000%3.3°C24135m0.23m/s
12:000%4.1°C24134m0.07m/s
13:000%4.5°C24134m0.39m/s
14:000%4.7°C24134m0.45m/s
15:000%4.3°C24134m0.53m/s
16:000%1.9°C24135m0.64m/s
17:000%1.3°C24134m0.81m/s
18:000%1.2°C24134m1.2m/s
19:0060%1°C24135m1.4m/s
20:0060%0.9°C24135m1.5m/s
21:000%1°C24134m1.5m/s
22:000%1.2°C24134m1.6m/s
23:000%1.3°C24135m1.6m/s
Mon, Feb 9
24:000%1.2°C24135m1.6m/s
01:000%1.4°C24135m1.7m/s
02:000%1.3°C24134m1.7m/s
03:000%1.3°C24134m1.6m/s
04:000%1.3°C24135m1.5m/s
05:000%1.3°C24135m1.6m/s
06:000%1.2°C24135m1.6m/s
07:000%1.3°C24134m1.7m/s
08:000%1.5°C24134m1.7m/s
09:000%2.7°C24135m1.5m/s
10:000%3.7°C24135m1.5m/s
11:000%4.1°C24134m1.5m/s
12:000%4.4°C24134m1.5m/s
13:000%4.7°C24135m1.4m/s
14:000%4.6°C24135m1.3m/s
15:000%4.1°C24134m1.2m/s
16:000%2.3°C24134m1m/s
17:000%1.3°C24135m0.95m/s
18:000%1.2°C24135m1.3m/s
19:000%1.1°C24135m1.6m/s
20:000%1.6°C24135m1.9m/s
21:000%1.7°C24135m2m/s
22:000%1.7°C24134m1.8m/s
23:000%1.8°C24135m2m/s
Tue, Feb 10
24:000%1.7°C24134m1.9m/s
01:000%1.7°C24134m2m/s
02:000%1.5°C24134m1.8m/s
03:000%1.3°C24135m1.7m/s
04:000%1.3°C24134m1.7m/s
05:000%1.2°C24135m1.7m/s
06:000%1.3°C24134m1.8m/s
07:000%1.3°C24135m1.9m/s
08:000%1.6°C24134m1.9m/s
09:000%2.7°C24135m1.8m/s
10:000%4°C24135m1.7m/s
11:000%5°C24135m1.6m/s
12:000%6.1°C24134m1.6m/s
13:000%6.8°C24134m1.4m/s
14:000%4.9°C24134m1.6m/s
15:000%3.3°C24135m1.9m/s
16:000%1.8°C24135m2.1m/s
17:000%2°C24135m2.2m/s
18:000%2.2°C24135m2.2m/s
19:000%2.3°C24135m2.2m/s
20:000%2.5°C24135m2.4m/s
21:000%2.6°C24135m2.6m/s
22:000%2.7°C24135m2.7m/s
23:000%2.6°C23283m2.4m/s
Wed, Feb 11
24:000%2.3°C22431m2.1m/s
01:000%2.1°C21579m1.9m/s
02:000%2°C15459m1.9m/s
03:000%2°C9339m1.9m/s
04:000%1.9°C3218m2m/s
05:0040%1.5°C2255m1.8m/s
06:0047%1.1°C1292m1.5m/s
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/Vienna
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Wind Gusts
m/s
Sun, Feb 8 Sunrise 07:23 Sunset 17:17
08:00
-1.8°C 0mm 91% 0cm -0.59°C 0mm 0.05kPa 0.81m/s
09:00
-1.5°C 0mm 86% 0cm 0.65°C 0mm 0.09kPa 0.41m/s
10:00
-1.1°C 0mm 83% 0cm 1.5°C 0mm 0.11kPa 0.21m/s
11:00
-1°C 0.01mm 78% 0cm 2.3°C 0mm 0.16kPa 0.11m/s
12:00
-1.3°C 0mm 74% 0cm 2.8°C 0mm 0.19kPa 0.41m/s
13:00
-1.5°C 0mm 72% 0cm 3°C 0mm 0.21kPa 0.71m/s
14:00
-1.7°C 0mm 71% 0cm 3°C 0mm 0.22kPa 0.8m/s
15:00
-1.5°C 0mm 73% 0cm 2.8°C 0mm 0.2kPa 0.9m/s
16:00
-0.3°C 0mm 87% 0cm 1.6°C 0mm 0.09kPa 0.61m/s
17:00
-2.3°C 0mm 91% 0cm -0.97°C 0mm 0.05kPa 0.7m/s
18:00
-3.6°C 0mm 92% 0cm -2.4°C 0mm 0.04kPa 1.1m/s
19:00
-4°C 0mm 93% 0cm -3°C 0mm 0.04kPa 1.2m/s
20:00
-4.3°C 0mm 93% 0cm -3.4°C 0mm 0.03kPa 1.3m/s
21:00
-4.6°C 0mm 92% 0cm -3.6°C 0mm 0.04kPa 1.3m/s
22:00
-4.9°C 0mm 92% 0cm -3.7°C 0mm 0.04kPa 1.4m/s
23:00
-5.1°C 0mm 91% 0cm -3.8°C 0mm 0.04kPa 1.4m/s
Mon, Feb 9 Sunrise 07:23 Sunset 17:17
24:00
-5.2°C 0mm 91% 0cm -4°C 0mm 0.04kPa 1.4m/s
01:00
-5.4°C 0mm 90% 0cm -4°C 0mm 0.04kPa 1.4m/s
02:00
-5.5°C 0mm 90% 0cm -4.2°C 0mm 0.04kPa 1.4m/s
03:00
-5.7°C 0mm 90% 0cm -4.4°C 0mm 0.04kPa 1.4m/s
04:00
-5.9°C 0mm 91% 0cm -4.6°C 0mm 0.04kPa 1.4m/s
05:00
-6.1°C 0mm 91% 0cm -4.8°C 0mm 0.04kPa 1.4m/s
06:00
-6.2°C 0mm 91% 0cm -5°C 0mm 0.04kPa 1.4m/s
07:00
-6.4°C 0mm 91% 0cm -5.1°C 0mm 0.04kPa 1.4m/s
08:00
-6.1°C 0mm 89% 0cm -4.6°C 0mm 0.05kPa 1.5m/s
09:00
-4.9°C 0mm 82% 0cm -2.2°C 0mm 0.09kPa 1.9m/s
10:00
-4°C 0mm 76% 0cm -0.33°C 0mm 0.14kPa 2.1m/s
11:00
-3°C 0mm 74% 0cm 1.1°C 0mm 0.17kPa 2.2m/s
12:00
-2.4°C 0mm 73% 0cm 2°C 0mm 0.19kPa 2.2m/s
13:00
-2.2°C 0mm 71% 0cm 2.5°C 0mm 0.21kPa 1.9m/s
14:00
-2°C 0mm 72% 0cm 2.6°C 0mm 0.21kPa 1.7m/s
15:00
-1.8°C 0mm 74% 0cm 2.3°C 0mm 0.19kPa 1.8m/s
16:00
-1°C 0mm 84% 0cm 1.3°C 0mm 0.1kPa 0.91m/s
17:00
-2.5°C 0mm 91% 0cm -1.2°C 0mm 0.05kPa 0.91m/s
18:00
-3.8°C 0mm 92% 0cm -2.6°C 0mm 0.04kPa 1.2m/s
19:00
-4.2°C 0mm 92% 0cm -3.1°C 0mm 0.04kPa 1.4m/s
20:00
-4.4°C 0mm 89% 0cm -2.8°C 0mm 0.05kPa 1.7m/s
21:00
-4.5°C 0mm 88% 0cm -2.8°C 0mm 0.06kPa 1.7m/s
22:00
-4.8°C 0mm 88% 0cm -3.1°C 0mm 0.06kPa 1.5m/s
23:00
-5.1°C 0mm 87% 0cm -3.3°C 0mm 0.06kPa 1.7m/s
Tue, Feb 10 Sunrise 07:21 Sunset 17:19
24:00
-5.4°C 0mm 88% 0cm -3.7°C 0mm 0.06kPa 1.6m/s
01:00
-5.3°C 0mm 88% 0cm -3.6°C 0mm 0.06kPa 1.6m/s
02:00
-5.4°C 0mm 89% 0cm -3.9°C 0mm 0.05kPa 1.5m/s
03:00
-5.6°C 0mm 91% 0cm -4.3°C 0mm 0.04kPa 1.5m/s
04:00
-5.8°C 0mm 91% 0cm -4.5°C 0mm 0.04kPa 1.5m/s
05:00
-6°C 0mm 91% 0cm -4.8°C 0mm 0.04kPa 1.4m/s
06:00
-6.2°C 0mm 91% 0cm -4.9°C 0mm 0.04kPa 1.5m/s
07:00
-6.3°C 0mm 91% 0cm -5°C 0mm 0.04kPa 1.6m/s
08:00
-6.2°C 0mm 88% 0cm -4.6°C 0mm 0.05kPa 1.6m/s
09:00
-5.4°C 0mm 81% 0cm -2.7°C 0mm 0.09kPa 2.4m/s
10:00
-5°C 0mm 74% 0cm -0.97°C 0mm 0.15kPa 2.4m/s
11:00
-4.6°C 0mm 69% 0cm 0.37°C 0mm 0.19kPa 2.3m/s
12:00
-4.4°C 0mm 64% 0cm 1.7°C 0mm 0.25kPa 2.3m/s
13:00
-4.3°C 0mm 61% 0cm 2.5°C 0mm 0.29kPa 2.2m/s
14:00
-4.4°C 0mm 70% 0cm 0.5°C 0mm 0.19kPa 2m/s
15:00
-4.8°C 0mm 78% 0cm -1.5°C 0mm 0.12kPa 1.9m/s
16:00
-5.4°C 0mm 87% 0cm -3.6°C 0mm 0.06kPa 1.7m/s
17:00
-5.7°C 0mm 86% 0cm -3.7°C 0mm 0.07kPa 2m/s
18:00
-6.1°C 0mm 85% 0cm -3.9°C 0mm 0.07kPa 2.3m/s
19:00
-6.4°C 0mm 84% 0cm -4.1°C 0mm 0.07kPa 2.6m/s
20:00
-6.4°C 0mm 83% 0cm -3.9°C 0mm 0.08kPa 3m/s
21:00
-6.4°C 0mm 82% 0cm -3.8°C 0mm 0.08kPa 3.4m/s
22:00
-6.4°C 0mm 81% 0cm -3.7°C 0mm 0.09kPa 3.8m/s
23:00
-6.1°C 0.01mm 83% 0.009cm -3.5°C 0mm 0.08kPa 3.2m/s
Wed, Feb 11 Sunrise 07:20 Sunset 17:20
24:00
-5.7°C 0.02mm 84% 0.02cm -3.4°C 0mm 0.08kPa 2.7m/s
01:00
-5.3°C 0.03mm 85% 0.03cm -3.2°C 0mm 0.07kPa 2.1m/s
02:00
-4.6°C 0.1mm 86% 0.09cm -2.6°C 0.13mm 0.07kPa 2.2m/s
03:00
-4°C 0.16mm 86% 0.16cm -2°C 0.25mm 0.07kPa 2.3m/s
04:00
-3.3°C 0.23mm 87% 0.23cm -1.4°C 0.38mm 0.07kPa 2.4m/s
05:00
-2.5°C 0.33mm 90% 0.32cm -1°C 0.67mm 0.06kPa 2.2m/s
06:00
-1.7°C 0.42mm 92% 0.42cm -0.6°C 0.96mm 0.05kPa 2m/s
07:00
-1°C 0.52mm 95% 0.52cm -0.2°C 1.3mm 0.03kPa 1.7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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