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Rule Fog Hunter

Ribeira Brava - Fog Hunter - Madeira

Ribeira Brava, 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 · ≥ 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 Spread7.3°C
Visibility24135 (Clear)
Relative Humidity62%
Wind Speed0.9m/s (calm conditions)

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 80 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Madeira
Fog Probability
≥ 75.0%
Sun, May 17
05:000%
06:0067%
07:0069%
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%
22:0067%
23:0055%
Mon, May 18
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%
Tue, May 19
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:0069%
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, May 20
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
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
Sun, May 17 Sunrise 07:08 Sunset 21:01
14:00
12% 8.1°C 0mm 62% 0cm 77° 15°C 0mm 0.67kPa 24135m 1.6m/s 0.93m/s
15:00
23% 8.3°C 0mm 62% 0cm 72° 16°C 0.06mm 0.66kPa 24135m 2m/s 1.3m/s
16:00
33% 8.6°C 0mm 65% 0cm 61° 15°C 0.06mm 0.61kPa 24134m 2.1m/s 1.5m/s
17:00
41% 9.3°C 0mm 71% 0cm 49° 15°C 0.06mm 0.49kPa 24134m 2.1m/s 1.7m/s
18:00
49% 10°C 0mm 80% 0cm 36° 13°C 0.13mm 0.31kPa 6618m 2.6m/s 2.2m/s
19:00
57% 9.8°C 0mm 84% 0cm 24° 12°C 0.19mm 0.22kPa 7766m 2.7m/s 2.3m/s
20:00
71% 9.6°C 0mm 86% 0cm 11° 12°C 0mm 0.19kPa 2265m 2.7m/s 2m/s
21:00
85% 9.2°C 0mm 91% 0cm 0.01° 11°C 0mm 0.11kPa 8383m 2.5m/s 1.8m/s
22:00 ☾
99% 8.9°C 0mm 96% 0cm -12° 9.6°C 0mm 0.05kPa 3711m 3.1m/s 2.1m/s
23:00 ☾
98% 8.4°C 0mm 95% 0cm -22° 9.1°C 0mm 0.06kPa 24135m 3.5m/s 2.2m/s
Mon, May 18 Sunrise 07:08 Sunset 21:01
24:00 ☾
97% 7.6°C 0mm 92% 0cm -30° 8.9°C 0mm 0.1kPa 24134m 3.2m/s 2.2m/s
01:00 ☾
96% 7°C 0mm 86% 0cm -36° 9.2°C 0mm 0.16kPa 24135m 2.8m/s 2.1m/s
02:00 ☾
80% 7°C 0mm 87% 0cm -38° 9.1°C 0mm 0.15kPa 24134m 2.8m/s 2.1m/s
03:00 ☾
65% 7.8°C 0mm 91% 0cm -36° 9.2°C 0mm 0.1kPa 24135m 2.5m/s 1.9m/s
04:00 ☾
49% 8.5°C 0mm 94% 0cm -31° 9.4°C 0mm 0.07kPa 24135m 2.4m/s 1.9m/s
05:00 ☾
50% 8.5°C 0mm 94% 0cm -23° 9.5°C 0mm 0.08kPa 24135m 2.4m/s 1.9m/s
06:00 ☾
50% 8.2°C 0mm 92% 0cm -13° 9.5°C 0mm 0.1kPa 24134m 2.2m/s 1.8m/s
07:00 ☾
51% 8.1°C 0mm 91% 0cm -2.2° 9.5°C 0mm 0.11kPa 24135m 1.5m/s 1.7m/s
08:00
55% 8.9°C 0mm 89% 0cm 9.6° 11°C 0mm 0.14kPa 24134m 2.3m/s 1.5m/s
09:00
58% 9.5°C 0mm 77% 0cm 22° 13°C 0mm 0.35kPa 24135m 2.5m/s 1.6m/s
10:00
62% 9.9°C 0mm 71% 0cm 34° 15°C 0mm 0.49kPa 24135m 2.5m/s 1.6m/s
11:00
65% 11°C 0mm 70% 0cm 47° 16°C 0mm 0.54kPa 24134m 2.1m/s 1.2m/s
12:00
68% 11°C 0mm 68% 0cm 59° 17°C 0mm 0.63kPa 24134m 2m/s 1.1m/s
13:00
71% 11°C 0mm 68% 0cm 71° 17°C 0.06mm 0.62kPa 24134m 2m/s 1.3m/s
14:00
77% 11°C 0mm 74% 0cm 77° 16°C 0mm 0.46kPa 24135m 1.8m/s 0.89m/s
15:00
82% 11°C 0mm 78% 0cm 72° 15°C 0.06mm 0.38kPa 24134m 1.6m/s 0.84m/s
16:00
88% 11°C 0mm 78% 0cm 61° 15°C 0.06mm 0.37kPa 24135m 1.7m/s 0.98m/s
17:00
66% 11°C 0mm 73% 0cm 49° 16°C 0.13mm 0.48kPa 24134m 2.1m/s 1.3m/s
18:00
62% 11°C 0mm 70% 0cm 36° 16°C 0.13mm 0.54kPa 24135m 2.3m/s 1.6m/s
19:00
59% 10°C 0mm 75% 0cm 24° 15°C 0.13mm 0.41kPa 24135m 2.3m/s 1.4m/s
20:00
47% 10°C 0mm 82% 0cm 12° 13°C 0mm 0.28kPa 24135m 2.3m/s 1.3m/s
21:00
35% 9.8°C 0mm 90% 0cm 0.12° 11°C 0mm 0.13kPa 24135m 2.5m/s 1.7m/s
22:00 ☾
23% 9.2°C 0mm 92% 0cm -12° 10°C 0mm 0.1kPa 7252m 2.4m/s 1.5m/s
23:00 ☾
21% 8.7°C 0mm 86% 0cm -21° 11°C 0mm 0.18kPa 24135m 1.7m/s 1.4m/s
Tue, May 19 Sunrise 07:07 Sunset 21:01
24:00 ☾
18% 8.8°C 0mm 85% 0cm -30° 11°C 0mm 0.2kPa 24135m 1.4m/s 1.1m/s
01:00 ☾
16% 8.8°C 0mm 88% 0cm -35° 11°C 0mm 0.15kPa 24134m 0.91m/s 0.91m/s
02:00 ☾
21% 8.6°C 0mm 90% 0cm -38° 10°C 0mm 0.13kPa 24135m 1.1m/s 1.1m/s
03:00 ☾
25% 8.4°C 0mm 89% 0cm -36° 10°C 0mm 0.13kPa 24135m 1.1m/s 1.1m/s
04:00 ☾
30% 8.4°C 0mm 90% 0cm -31° 9.9°C 0mm 0.12kPa 24135m 1.1m/s 1.2m/s
05:00 ☾
30% 8.5°C 0mm 92% 0cm -23° 9.8°C 0mm 0.1kPa 24134m 1.2m/s 1.3m/s
06:00 ☾
29% 8.7°C 0mm 94% 0cm -13° 9.6°C 0mm 0.07kPa 8308m 1.2m/s 1.3m/s
07:00 ☾
29% 9°C 0mm 96% 0cm -2° 9.7°C 0mm 0.05kPa 1937m 1.2m/s 1.3m/s
08:00
39% 9.4°C 0mm 92% 0cm 9.7° 11°C 0mm 0.11kPa 2454m 1.7m/s 1.1m/s
09:00
48% 9.8°C 0mm 80% 0cm 22° 13°C 0mm 0.29kPa 3425m 1.7m/s 1.2m/s
10:00
58% 10°C 0mm 73% 0cm 34° 15°C 0mm 0.46kPa 2986m 1.5m/s 1.1m/s
11:00
57% 11°C 0mm 68% 0cm 47° 16°C 0mm 0.6kPa 7765m 0.71m/s 0.35m/s
12:00
55% 11°C 0mm 67% 0cm 59° 17°C 0mm 0.63kPa 24134m 0.81m/s 0.38m/s
13:00
54% 11°C 0mm 70% 0cm 71° 17°C 0mm 0.57kPa 1569m 1.1m/s 0.81m/s
14:00
55% 11°C 0mm 70% 0cm 77° 17°C 0mm 0.56kPa 1524m 1.4m/s 1.1m/s
15:00
55% 12°C 0mm 69% 0cm 72° 17°C 0.06mm 0.61kPa 1502m 1.3m/s 1.3m/s
16:00
56% 12°C 0mm 67% 0cm 61° 18°C 0.06mm 0.67kPa 1519m 1.1m/s 0.98m/s
17:00
56% 12°C 0mm 69% 0cm 49° 17°C 0.06mm 0.62kPa 1535m 1.1m/s 0.84m/s
18:00
57% 12°C 0mm 72% 0cm 36° 17°C 0.06mm 0.54kPa 1462m 1.2m/s 0.85m/s
19:00
57% 12°C 0mm 78% 0cm 24° 16°C 0.06mm 0.4kPa 1734m 1.3m/s 0.91m/s
20:00
59% 12°C 0mm 78% 0cm 12° 16°C 0.04mm 0.41kPa 9201m 1.8m/s 1.2m/s
21:00
62% 13°C 0mm 78% 0cm 0.23° 17°C 0.02mm 0.41kPa 16668m 2.2m/s 1.6m/s
22:00 ☾
64% 14°C 0mm 79% 0cm -11° 18°C 0mm 0.42kPa 24135m 2.6m/s 1.9m/s
23:00 ☾
63% 14°C 0mm 79% 0cm -21° 18°C 0mm 0.43kPa 24135m 2.9m/s 2.2m/s
Wed, May 20 Sunrise 07:07 Sunset 21:02
24:00 ☾
61% 14°C 0mm 79% 0cm -30° 18°C 0mm 0.43kPa 24135m 3.1m/s 2.5m/s
01:00 ☾
60% 14°C 0mm 79% 0cm -35° 18°C 0mm 0.43kPa 24135m 3.3m/s 2.8m/s
02:00 ☾
59% 14°C 0mm 79% 0cm -37° 18°C 0mm 0.43kPa 24135m 2.8m/s 2.2m/s
03:00 ☾
58% 14°C 0mm 79% 0cm -36° 18°C 0mm 0.43kPa 24135m 2.3m/s 1.6m/s
04:00 ☾
57% 14°C 0mm 79% 0cm -31° 18°C 0mm 0.43kPa 24135m 1.8m/s 1.1m/s
05:00 ☾
53% 14°C 0mm 80% 0cm -23° 18°C 0mm 0.41kPa 24135m 2.4m/s 1.9m/s
06:00 ☾
49% 15°C 0mm 81% 0cm -13° 18°C 0mm 0.38kPa 24135m 2.9m/s 2.8m/s
07:00 ☾
45% 15°C 0mm 83% 0cm -1.9° 18°C 0mm 0.35kPa 24135m 3.4m/s 3.7m/s
08:00
42% 15°C 0mm 82% 0cm 9.8° 18°C 0mm 0.37kPa 24135m 3.5m/s 3.7m/s
09:00
40% 15°C 0mm 81% 0cm 22° 18°C 0mm 0.39kPa 24135m 3.6m/s 3.7m/s
10:00
37% 15°C 0mm 80% 0cm 34° 18°C 0mm 0.41kPa 24135m 3.7m/s 3.7m/s
11:00
41% 15°C 0mm 79% 0cm 47° 18°C 0mm 0.44kPa 24135m 3.4m/s 3.3m/s
12:00
44% 15°C 0mm 78% 0cm 59° 19°C 0mm 0.46kPa 24135m 3m/s 2.9m/s
13:00
48% 15°C 0mm 77% 0cm 71° 19°C 0mm 0.49kPa 24135m 2.7m/s 2.5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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