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Rule Fog Hunter

Madalena - Fog Hunter - Azores

Madalena, Porto, 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
Dewpoint Spread2.2°C
Visibility8275 (Moderate)
Relative Humidity87%
Wind Speed3.7m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Lisbon

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 volcanic topography and Atlantic weather create dramatic fog conditions across the Azores archipelago. We track humidity, temperature inversions, wind patterns, and elevation to identify when fog fills volcanic calderas while crater rims emerge above, or when ocean mist wraps coastal peaks.

The Azores' volcanic landscape creates natural bowls—massive calderas like Sete Cidades and Lagoa do Fogo—that trap fog and cloud inversions while higher rim viewpoints stay clear. The islands' mid-Atlantic position means frequent interaction with marine air masses, creating the notorious "four seasons in one day" weather that produces ever-changing fog conditions.

What makes Azores fog photography special:

  • Crater inversions - Sete Cidades caldera fills with fog while rim viewpoints offer views of twin lakes emerging from mist
  • Volcanic drama - Pico mountain's 2,351-metre peak pierces clouds, visible from neighboring islands when weather clears
  • Geothermal atmosphere - Furnas valley combines volcanic steam with natural fog, creating otherworldly layered mist
  • Hydrangea tunnels - Blue and pink hydrangeas lining roads disappear into fog during summer flowering season

Miradouro da Vista do Rei overlooking Sete Cidades becomes magical when fog partially fills the caldera—arrive at dawn to catch twin lakes emerging from white mist. Lagoa do Fogo's crater rim provides spectacular inversions when fog fills the interior while you stand in sunshine. Furnas valley combines natural fog with geothermal steam rising from fumaroles, creating complex layers especially atmospheric in early morning. From Faial island, Pico mountain appears and disappears through ocean clouds. The hydrangea-lined roads of São Miguel take on fairy-tale quality when fog drifts through in June and July. Best conditions occur when Atlantic weather systems move through, typically autumn through spring.

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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/Lisbon
Fog Probability
≥ 75.0%
Sat, May 23
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Sun, May 24
24:000%
01:000%
02:000%
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04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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11:000%
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22:000%
23:000%
Mon, May 25
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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Tue, May 26
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
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Wed, May 27
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
Europe/Lisbon
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 24 Sunrise 06:09 Sunset 20:54
14:00
9% 15°C 0mm 87% 0cm 69° 17°C 0mm 0.26kPa 8275m 3.7m/s 3.7m/s
15:00
10% 15°C 0mm 86% 0cm 62° 18°C 0.13mm 0.28kPa 20311m 3.9m/s 3.6m/s
16:00
10% 15°C 0mm 86% 0cm 53° 18°C 0.38mm 0.28kPa 20304m 3m/s 2.6m/s
17:00
9% 15°C 0mm 86% 0cm 42° 17°C 0.5mm 0.28kPa 17386m 2.2m/s 1.9m/s
18:00
7% 15°C 0mm 84% 0cm 31° 18°C 0.56mm 0.33kPa 16368m 1.4m/s 1.3m/s
19:00
6% 15°C 0mm 83% 0cm 19° 18°C 0.56mm 0.35kPa 20311m 0.81m/s 0.84m/s
20:00
13% 15°C 0mm 83% 0cm 8.5° 18°C 0mm 0.34kPa 24135m 1.5m/s 1.4m/s
21:00
20% 15°C 0mm 84% 0cm -1.6° 18°C 0mm 0.32kPa 24134m 0.82m/s 0.7m/s
22:00
27% 15°C 0mm 84% 0cm -11° 18°C 0mm 0.32kPa 24135m 3.4m/s 3.2m/s
23:00
26% 15°C 0mm 88% 0cm -19° 17°C 0mm 0.23kPa 24134m 0.9m/s 0.82m/s
Mon, May 25 Sunrise 06:09 Sunset 20:54
24:00
24% 15°C 0mm 84% 0cm -24° 17°C 0mm 0.31kPa 24135m 2.1m/s 2.1m/s
01:00
23% 14°C 0mm 82% 0cm -28° 17°C 0mm 0.35kPa 24135m 3.4m/s 3.4m/s
02:00
28% 14°C 0mm 83% 0cm -28° 17°C 0mm 0.33kPa 24135m 4.6m/s 4.1m/s
03:00
33% 14°C 0mm 85% 0cm -25° 17°C 0mm 0.3kPa 24135m 5.3m/s 4.4m/s
04:00
38% 14°C 0mm 85% 0cm -19° 17°C 0mm 0.3kPa 24135m 4.3m/s 3.7m/s
05:00
36% 14°C 0mm 84% 0cm -11° 17°C 0mm 0.29kPa 24134m 3.2m/s 2.8m/s
06:00
33% 14°C 0mm 85% 0cm -2.1° 17°C 0mm 0.29kPa 24134m 1.5m/s 1.5m/s
07:00
31% 14°C 0mm 84% 0cm 8.1° 17°C 0mm 0.31kPa 24134m 1.4m/s 1.3m/s
08:00
33% 14°C 0mm 82% 0cm 19° 17°C 0mm 0.34kPa 24135m 1.1m/s 1m/s
09:00
34% 14°C 0mm 81% 0cm 30° 17°C 0mm 0.38kPa 24134m 1.1m/s 0.98m/s
10:00
36% 14°C 0mm 78% 0cm 41° 18°C 0mm 0.44kPa 24135m 1.3m/s 1.1m/s
11:00
37% 14°C 0mm 76% 0cm 52° 18°C 0mm 0.48kPa 24135m 1.9m/s 1.7m/s
12:00
39% 14°C 0mm 78% 0cm 62° 17°C 0mm 0.45kPa 24134m 3.2m/s 2.8m/s
13:00
40% 14°C 0mm 74% 0cm 69° 18°C 0mm 0.53kPa 24135m 4m/s 3.5m/s
14:00
44% 14°C 0mm 77% 0cm 69° 18°C 0mm 0.48kPa 24134m 4.7m/s 4.4m/s
15:00
49% 14°C 0mm 78% 0cm 63° 18°C 0mm 0.46kPa 24134m 4m/s 3.6m/s
16:00
53% 15°C 0mm 78% 0cm 53° 18°C 0mm 0.47kPa 24134m 3m/s 2.7m/s
17:00
55% 15°C 0mm 78% 0cm 42° 18°C 0mm 0.45kPa 20348m 2.5m/s 2.4m/s
18:00
56% 15°C 0mm 79% 0cm 31° 18°C 0mm 0.45kPa 20759m 2m/s 2m/s
19:00
58% 15°C 0mm 79% 0cm 19° 18°C 0mm 0.44kPa 24134m 1.1m/s 1.1m/s
20:00
67% 15°C 0mm 79% 0cm 8.7° 18°C 0mm 0.43kPa 24135m 0.61m/s 0.66m/s
21:00
76% 15°C 0mm 80% 0cm -1.4° 18°C 0mm 0.42kPa 24134m 0.41m/s 0.45m/s
22:00
85% 14°C 0mm 79% 0cm -11° 18°C 0mm 0.43kPa 24135m 1.2m/s 1.1m/s
23:00
85% 14°C 0mm 80% 0cm -19° 18°C 0mm 0.41kPa 24134m 1m/s 0.98m/s
Tue, May 26 Sunrise 06:08 Sunset 20:54
24:00
84% 14°C 0mm 80% 0cm -24° 17°C 0mm 0.39kPa 24134m 0.32m/s 0.32m/s
01:00
84% 14°C 0mm 80% 0cm -27° 17°C 0mm 0.39kPa 24135m 0.52m/s 0.47m/s
02:00
84% 14°C 0mm 80% 0cm -27° 17°C 0mm 0.39kPa 24134m 0.71m/s 0.74m/s
03:00
83% 14°C 0mm 78% 0cm -24° 17°C 0mm 0.44kPa 24135m 2.1m/s 2m/s
04:00
83% 14°C 0mm 79% 0cm -19° 17°C 0mm 0.41kPa 24134m 2.6m/s 2.5m/s
05:00
81% 14°C 0mm 81% 0cm -11° 17°C 0mm 0.37kPa 24134m 2.9m/s 2.8m/s
06:00
80% 13°C 0mm 81% 0cm -1.9° 17°C 0mm 0.35kPa 24134m 2.5m/s 2.4m/s
07:00
78% 13°C 0mm 80% 0cm 8.2° 17°C 0mm 0.39kPa 24135m 2.3m/s 2.2m/s
08:00
79% 13°C 0mm 78% 0cm 19° 17°C 0mm 0.45kPa 24134m 1.8m/s 1.6m/s
09:00
81% 14°C 0mm 76% 0cm 30° 18°C 0mm 0.49kPa 24135m 1.2m/s 1m/s
10:00
82% 14°C 0mm 75% 0cm 41° 18°C 0mm 0.52kPa 24134m 1.3m/s 0.96m/s
11:00
83% 14°C 0mm 74% 0cm 52° 18°C 0mm 0.54kPa 24135m 1.5m/s 1.3m/s
12:00
83% 14°C 0mm 74% 0cm 62° 18°C 0mm 0.53kPa 24134m 2m/s 1.9m/s
13:00
84% 14°C 0mm 73% 0cm 69° 19°C 0mm 0.57kPa 24134m 2.5m/s 2.4m/s
14:00
80% 14°C 0mm 71% 0cm 69° 19°C 0mm 0.65kPa 24134m 2.9m/s 2.9m/s
15:00
77% 14°C 0mm 71% 0cm 63° 19°C 0mm 0.66kPa 24135m 3.4m/s 3.5m/s
16:00
73% 14°C 0mm 72% 0cm 53° 19°C 0mm 0.63kPa 24135m 4.5m/s 4.3m/s
17:00
68% 14°C 0mm 72% 0cm 42° 19°C 0mm 0.61kPa 24134m 4.5m/s 4.3m/s
18:00
62% 14°C 0mm 73% 0cm 31° 19°C 0mm 0.58kPa 24135m 4.4m/s 4.1m/s
19:00
57% 14°C 0mm 73% 0cm 20° 19°C 0mm 0.58kPa 24134m 4.2m/s 3.9m/s
20:00
49% 13°C 0mm 66% 0cm 8.8° 19°C 0mm 0.76kPa 24134m 3.4m/s 3.3m/s
21:00
41% 12°C 0mm 59% 0cm -1.3° 20°C 0mm 0.95kPa 24135m 2.6m/s 2.7m/s
22:00
33% 10°C 0mm 52% 0cm -11° 20°C 0mm 1.1kPa 24135m 1.8m/s 2m/s
23:00
31% 10°C 0mm 51% 0cm -18° 21°C 0mm 1.2kPa 24135m 1.8m/s 2m/s
Wed, May 27 Sunrise 06:08 Sunset 20:55
24:00
29% 10°C 0mm 50% 0cm -24° 21°C 0mm 1.2kPa 24135m 1.8m/s 2.1m/s
01:00
27% 9.8°C 0mm 49% 0cm -27° 21°C 0mm 1.3kPa 24135m 1.8m/s 2.1m/s
02:00
31% 11°C 0mm 43% 0cm -27° 24°C 0mm 1.7kPa 24135m 1.7m/s 1.5m/s
03:00
34% 11°C 0mm 38% 0cm -24° 27°C 0mm 2.2kPa 24135m 1.6m/s 0.96m/s
04:00
38% 11°C 0mm 32% 0cm -19° 30°C 0mm 2.8kPa 24135m 1.5m/s 0.41m/s
05:00
37% 11°C 0mm 29% 0cm -11° 31°C 0mm 3.2kPa 24135m 2.2m/s 1.2m/s
06:00
37% 10°C 0mm 26% 0cm -1.8° 32°C 0mm 3.6kPa 24135m 2.9m/s 2.1m/s
07:00
36% 9.6°C 0mm 23% 0cm 8.3° 34°C 0mm 4kPa 24135m 3.5m/s 2.9m/s
08:00
47% 9.7°C 0mm 24% 0cm 19° 33°C 0mm 3.8kPa 24135m 4.1m/s 3.4m/s
09:00
58% 9.7°C 0mm 25% 0cm 30° 32°C 0mm 3.6kPa 24135m 4.6m/s 3.9m/s
10:00
69% 9.8°C 0mm 26% 0cm 41° 31°C 0mm 3.4kPa 24135m 5.1m/s 4.3m/s
11:00
70% 10°C 0.04mm 30% 0cm 52° 30°C 0.04mm 3kPa 23413m 5.2m/s 3.9m/s
12:00
72% 10°C 0.09mm 33% 0cm 62° 28°C 0.08mm 2.6kPa 22690m 5.2m/s 3.5m/s
13:00
73% 10°C 0.13mm 36% 0cm 69° 27°C 0.13mm 2.2kPa 21968m 5.3m/s 3.1m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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