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Rule Fog Hunter

Pico do Arieiro - Fog Hunter - Madeira

Funchal, Madeira, Portugal

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
Dewpoint Spread1.7°C
Visibility22218 (Clear)
Relative Humidity89%
Wind Speed5.1m/s (moderate winds)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Madeira

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 predicts when temperature inversions and cloud formations create Madeira's signature above-cloud and below-cloud fog photography opportunities. We track overnight cooling, humidity, Atlantic weather patterns, and elevation to identify when fog fills valleys while peaks emerge above the cloud line.

Madeira's elevation changes—rising from sea level to 1,818 meters at Pico do Arieiro—create extraordinary temperature inversions. Prevailing northeast trade winds mean cloud formations are frequent and predictable. Volcanic peaks pierce clouds while laurel forest levadas disappear into mist.

What makes Madeira fog photography special:

  • Above-cloud peaks - Pico do Arieiro and Pico Ruivo rise above the cloud line at sunrise, creating sea-of-clouds vistas
  • Levada mist - Ancient irrigation channels through laurel forest become atmospheric trails when fog drifts through valleys
  • Coastal fog layers - Funchal's amphitheater setting means fog fills the harbour while hills remain clear, or vice versa
  • Temperature inversions - Trade wind clouds create a stable cloud base around 1,200-1,500 meters for above-cloud photography

Pico do Arieiro at sunrise offers the iconic composition—arrive before dawn to photograph the volcanic peak above an endless white cloud sea, with Pico Ruivo visible as an island in the mist. Funchal's harbour and botanical gardens create stunning compositions when morning fog pools in the valley while upper terraces remain clear. Ribeira Brava's deep valley traps fog that burns off dramatically. The levada trails become magical when fog drifts through ancient laurel forest. São Vicente's north valley frequently fills with fog when the south remains clear due to rain shadow effect. Winter and spring provide the most reliable inversions.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 92 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Madeira
Fog Probability
≥ 60.0%
Wed, Apr 8
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%
19:0012%
20:000%
21:000%
22:000%
23:000%
Thu, Apr 9
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%
14:0026%
15:007.4%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:0046%
Fri, Apr 10
24:0037%
01:000%
02:0034%
03:0029%
04:000%
05:000%
06:000%
07:000%
08:0030%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:0024%
21:0058%
22:0037%
23:0035%
Sat, Apr 11
24:0027%
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, Apr 12
24:000%
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
Atlantic/Madeira
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
Thu, Apr 9 Sunrise 07:45 Sunset 20:33
02:00
74% 6°C 0mm 89% 0cm -50° 7.7°C 0.63mm 0.11kPa 22218m 9.8m/s 5.1m/s
03:00
72% 5.7°C 0mm 86% 0cm -48° 7.8°C 1.3mm 0.14kPa 22235m 14m/s 5.6m/s
04:00
69% 5.6°C 0mm 87% 0cm -42° 7.6°C 1.9mm 0.14kPa 22183m 14m/s 5.6m/s
05:00
64% 5.6°C 0.01mm 87% 0cm -33° 7.6°C 2.5mm 0.13kPa 22269m 13m/s 5.9m/s
06:00
58% 6.9°C 0.02mm 94% 0cm -22° 7.8°C 3mm 0.07kPa 300m 14m/s 6m/s
07:00
53% 6.9°C 0.03mm 91% 0cm -10° 8.2°C 3.8mm 0.09kPa 22050m 14m/s 5.9m/s
08:00
49% 7.3°C 0mm 93% 0cm 2.4° 8.3°C 0.56mm 0.08kPa 406m 13m/s 5.5m/s
09:00
45% 7.6°C 0mm 94% 0cm 15° 8.4°C 1.1mm 0.06kPa 266m 12m/s 5.4m/s
10:00
41% 8°C 0mm 95% 0cm 27° 8.7°C 1.8mm 0.06kPa 179m 11m/s 5.4m/s
11:00
50% 8.5°C 0.08mm 95% 0cm 40° 9.2°C 2.6mm 0.06kPa 177m 12m/s 5.7m/s
12:00
58% 8.5°C 0.19mm 95% 0cm 51° 9.2°C 3.4mm 0.05kPa 153m 12m/s 5.6m/s
13:00
67% 8.6°C 0mm 96% 0cm 60° 9.3°C 3.9mm 0.05kPa 145m 8.4m/s 5.3m/s
14:00
76% 8.4°C 0.01mm 94% 0cm 65° 9.3°C 0.19mm 0.07kPa 183m 7.4m/s 4.9m/s
15:00
86% 7.9°C 0mm 92% 0cm 62° 9.1°C 0.25mm 0.09kPa 542m 6.3m/s 4.2m/s
16:00
95% 7.2°C 0mm 80% 0cm 54° 10°C 0.31mm 0.25kPa 24135m 5.9m/s 4m/s
17:00
96% 7.1°C 0mm 73% 0cm 43° 12°C 0.44mm 0.38kPa 24056m 5.6m/s 3.9m/s
18:00
98% 6.9°C 0mm 77% 0cm 31° 11°C 0.56mm 0.3kPa 24134m 5.6m/s 3.9m/s
19:00
99% 6.9°C 0mm 80% 0cm 19° 10°C 0.63mm 0.25kPa 2474m 5.4m/s 3.7m/s
20:00
98% 6.6°C 0mm 85% 0cm 6.3° 9°C 0.06mm 0.17kPa 24135m 5.6m/s 3.4m/s
21:00
98% 6.1°C 0mm 92% 0cm -6.3° 7.3°C 0.06mm 0.08kPa 24134m 5.4m/s 3.1m/s
22:00
97% 5.6°C 0mm 91% 0cm -18° 7°C 0.06mm 0.09kPa 24134m 5.7m/s 3.2m/s
23:00
91% 6.5°C 0mm 94% 0cm -29° 7.4°C 0.13mm 0.06kPa 850m 5.4m/s 3m/s
Fri, Apr 10 Sunrise 07:45 Sunset 20:33
24:00
85% 9°C 0.01mm 97% 0cm -39° 9.4°C 0.75mm 0.03kPa 98m 7m/s 4.2m/s
01:00
79% 9.4°C 0.01mm 97% 0cm -46° 9.8°C 1.4mm 0.04kPa 155m 6.6m/s 3.9m/s
02:00
58% 9.4°C 0mm 97% 0cm -49° 9.9°C 0.44mm 0.04kPa 145m 6.6m/s 3.8m/s
03:00
38% 9.2°C 0mm 96% 0cm -48° 9.8°C 0.81mm 0.05kPa 186m 6.6m/s 3.9m/s
04:00
17% 9.2°C 0mm 95% 0cm -42° 9.9°C 1.2mm 0.06kPa 229m 6.7m/s 3.9m/s
05:00
14% 9.4°C 0mm 96% 0cm -33° 9.9°C 1.6mm 0.05kPa 185m 7.2m/s 4.1m/s
06:00
10% 9.5°C 0.13mm 98% 0cm -22° 9.9°C 2.3mm 0.03kPa 106m 7.8m/s 4.2m/s
07:00
7% 9.6°C 0.12mm 98% 0cm -9.9° 10°C 2.9mm 0.03kPa 112m 9.6m/s 5.1m/s
08:00
11% 9.6°C 0.05mm 98% 0cm 2.7° 9.9°C 0.81mm 0.03kPa 130m 9m/s 5.2m/s
09:00
16% 9.4°C 0mm 97% 0cm 15° 9.8°C 1.3mm 0.04kPa 134m 8.4m/s 4.9m/s
10:00
20% 9.6°C 0mm 96% 0cm 28° 10°C 1.6mm 0.06kPa 114m 8m/s 4.8m/s
11:00
17% 9.8°C 0.01mm 94% 0cm 40° 11°C 1.9mm 0.08kPa 169m 6.7m/s 4m/s
12:00
13% 9.6°C 0.01mm 86% 0cm 51° 12°C 2.1mm 0.2kPa 364m 6.4m/s 3.8m/s
13:00
10% 9.7°C 0mm 76% 0cm 61° 14°C 2.3mm 0.38kPa 167m 6.7m/s 3.8m/s
14:00
15% 9.8°C 0mm 74% 0cm 65° 14°C 0.13mm 0.43kPa 92m 5.6m/s 3.4m/s
15:00
20% 10°C 0.01mm 75% 0cm 63° 15°C 0.25mm 0.42kPa 68m 4.9m/s 3.2m/s
16:00
25% 10°C 0.01mm 76% 0cm 54° 15°C 0.38mm 0.4kPa 70m 4.6m/s 2.9m/s
17:00
22% 11°C 0.02mm 80% 0cm 43° 14°C 0.5mm 0.32kPa 84m 4.6m/s 2.8m/s
18:00
18% 11°C 0.01mm 85% 0cm 31° 13°C 0.63mm 0.22kPa 85m 4.8m/s 3m/s
19:00
15% 10°C 0.01mm 87% 0cm 19° 12°C 0.69mm 0.19kPa 91m 5.4m/s 3.2m/s
20:00
13% 10°C 0mm 91% 0cm 6.4° 12°C 0.06mm 0.12kPa 107m 5.6m/s 3.4m/s
21:00
11% 10°C 0mm 95% 0cm -6.1° 11°C 0.13mm 0.06kPa 128m 5.8m/s 3.5m/s
22:00
9% 9.3°C 0mm 94% 0cm -18° 10°C 0.13mm 0.08kPa 561m 6m/s 3.7m/s
23:00
10% 8.8°C 0.01mm 94% 0cm -29° 9.8°C 0.19mm 0.08kPa 2913m 6.2m/s 3.9m/s
Sat, Apr 11 Sunrise 07:44 Sunset 20:33
24:00
10% 8.4°C 0mm 93% 0cm -39° 9.4°C 0.19mm 0.08kPa 24135m 6.2m/s 4m/s
01:00
11% 7.9°C 0mm 92% 0cm -46° 9.1°C 0.19mm 0.09kPa 24134m 5.9m/s 3.8m/s
02:00
32% 7.3°C 0mm 91% 0cm -49° 8.6°C 0mm 0.1kPa 24134m 5.7m/s 3.6m/s
03:00
54% 6.8°C 0mm 91% 0cm -47° 8.2°C 0mm 0.1kPa 24134m 5.5m/s 3.6m/s
04:00
75% 6.3°C 0mm 90% 0cm -41° 7.9°C 0mm 0.11kPa 24135m 5.1m/s 3.2m/s
05:00
66% 6.2°C 0mm 89% 0cm -32° 7.9°C 0mm 0.11kPa 24135m 5.1m/s 3.3m/s
06:00
56% 6.2°C 0mm 89% 0cm -21° 7.9°C 0mm 0.11kPa 24135m 4.9m/s 3m/s
07:00
47% 7°C 0mm 91% 0cm -9.6° 8.3°C 0mm 0.1kPa 3160m 4.7m/s 3m/s
08:00
32% 9.2°C 0mm 86% 0cm 2.9° 11°C 0mm 0.19kPa 10152m 4.2m/s 3.4m/s
09:00
18% 11°C 0mm 81% 0cm 15° 15°C 0mm 0.32kPa 17143m 3.7m/s 3.7m/s
10:00
3% 13°C 0mm 75% 0cm 28° 18°C 0mm 0.5kPa 24135m 3.1m/s 4.1m/s
11:00
2% 13°C 0mm 75% 0cm 40° 18°C 0.02mm 0.51kPa 24135m 2.8m/s 3.3m/s
12:00
2% 13°C 0mm 75% 0cm 52° 18°C 0.04mm 0.52kPa 24135m 2.4m/s 2.5m/s
13:00
1% 13°C 0mm 74% 0cm 61° 18°C 0.06mm 0.54kPa 24135m 2m/s 1.7m/s
14:00
17% 13°C 0.003mm 75% 0cm 66° 18°C 0.1mm 0.51kPa 24135m 2.2m/s 2.1m/s
15:00
33% 13°C 0.007mm 76% 0cm 63° 18°C 0.15mm 0.49kPa 24135m 2.3m/s 2.5m/s
16:00
49% 13°C 0.01mm 76% 0cm 55° 17°C 0.19mm 0.47kPa 24135m 2.4m/s 2.9m/s
17:00
47% 12°C 0.007mm 74% 0cm 44° 17°C 0.21mm 0.51kPa 24135m 4m/s 4.4m/s
18:00
46% 12°C 0.003mm 71% 0cm 32° 17°C 0.23mm 0.56kPa 24135m 5.5m/s 5.9m/s
19:00
44% 11°C 0mm 68% 0cm 19° 17°C 0.25mm 0.61kPa 24135m 7m/s 7.3m/s
20:00
45% 10°C 0mm 67% 0cm 6.5° 16°C 0.17mm 0.61kPa 24135m 6.8m/s 7.4m/s
21:00
46% 9.8°C 0mm 66% 0cm -6° 16°C 0.08mm 0.61kPa 24135m 6.6m/s 7.4m/s
22:00
47% 9.4°C 0mm 66% 0cm -18° 16°C 0mm 0.62kPa 24135m 6.4m/s 7.4m/s
23:00
42% 9.4°C 0mm 66% 0cm -29° 16°C 0.02mm 0.61kPa 24135m 6.7m/s 7.4m/s
Sun, Apr 12 Sunrise 07:43 Sunset 20:34
24:00
38% 9.3°C 0mm 66% 0cm -39° 16°C 0.04mm 0.6kPa 24135m 7m/s 7.5m/s
01:00
33% 9.3°C 0mm 67% 0cm -46° 16°C 0.06mm 0.59kPa 24135m 7.3m/s 7.5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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