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Rule Fog Hunter

Sete Cidades - Fog Hunter - Azores

Ponta Delgada, Azores, 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 Spread3.7°C
Visibility24135 (Clear)
Relative Humidity79%
Wind Speed3.2m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Azores

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 79 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Azores
Fog Probability
≥ 75.0%
Sun, May 24
05:0036%
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%
Mon, May 25
24:000%
01:000%
02:000%
03:000%
04:0067%
05:0067%
06:0055%
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 26
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, 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%
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/Azores
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 06:26 Sunset 20:52
13:00
42% 15°C 0mm 79% 0cm 71° 19°C 0mm 0.45kPa 24135m 3.6m/s 3.2m/s
14:00
42% 15°C 0mm 79% 0cm 73° 19°C 0mm 0.46kPa 24135m 3.5m/s 3m/s
15:00
43% 15°C 0mm 78% 0cm 66° 19°C 0mm 0.49kPa 24134m 3m/s 2.7m/s
16:00
43% 15°C 0mm 78% 0cm 55° 19°C 0mm 0.5kPa 24134m 2.9m/s 2.9m/s
17:00
43% 15°C 0mm 78% 0cm 44° 19°C 0mm 0.47kPa 24134m 2.9m/s 2.7m/s
18:00
43% 15°C 0mm 79% 0cm 32° 19°C 0mm 0.45kPa 24134m 3m/s 2.5m/s
19:00
42% 16°C 0mm 81% 0cm 20° 19°C 0mm 0.42kPa 24135m 2.9m/s 2.2m/s
20:00
40% 16°C 0mm 84% 0cm 8.9° 19°C 0mm 0.35kPa 24134m 2.2m/s 1.8m/s
21:00
39% 16°C 0mm 87% 0cm -1.9° 18°C 0mm 0.27kPa 24135m 1.7m/s 1.7m/s
22:00
37% 16°C 0mm 88% 0cm -12° 18°C 0mm 0.25kPa 24134m 1.7m/s 1.7m/s
23:00
34% 16°C 0mm 88% 0cm -20° 18°C 0mm 0.24kPa 24135m 1.8m/s 1.8m/s
Mon, May 25 Sunrise 06:26 Sunset 20:53
24:00
32% 16°C 0mm 88% 0cm -27° 18°C 0mm 0.23kPa 24135m 2m/s 2m/s
01:00
36% 16°C 0mm 90% 0cm -31° 17°C 0mm 0.2kPa 24135m 2.2m/s 2.2m/s
02:00
41% 16°C 0mm 92% 0cm -31° 17°C 0mm 0.15kPa 24135m 2.2m/s 2.3m/s
03:00
45% 16°C 0mm 95% 0cm -28° 17°C 0mm 0.09kPa 24135m 2.2m/s 2.2m/s
04:00
42% 16°C 0mm 96% 0cm -23° 17°C 0mm 0.07kPa 6827m 2.1m/s 2.1m/s
05:00
38% 17°C 0mm 97% 0cm -15° 17°C 0.06mm 0.07kPa 5557m 2.2m/s 2m/s
06:00
35% 16°C 0mm 96% 0cm -5.2° 17°C 0.06mm 0.08kPa 18411m 2.6m/s 2.3m/s
07:00
35% 16°C 0mm 95% 0cm 5.4° 17°C 0mm 0.09kPa 6967m 3m/s 2.6m/s
08:00
35% 16°C 0mm 94% 0cm 17° 17°C 0mm 0.13kPa 24134m 3.2m/s 2.7m/s
09:00
35% 16°C 0mm 91% 0cm 28° 18°C 0mm 0.18kPa 24135m 3.5m/s 2.9m/s
10:00
37% 16°C 0mm 89% 0cm 40° 18°C 0mm 0.22kPa 24135m 3.6m/s 3m/s
11:00
40% 16°C 0mm 87% 0cm 52° 18°C 0mm 0.26kPa 24134m 3.8m/s 3.1m/s
12:00
42% 15°C 0mm 85% 0cm 63° 18°C 0mm 0.31kPa 24135m 4.1m/s 3.4m/s
13:00
57% 15°C 0mm 84% 0cm 71° 18°C 0mm 0.33kPa 24134m 4.2m/s 3.5m/s
14:00
71% 15°C 0mm 84% 0cm 73° 18°C 0mm 0.34kPa 24134m 4.3m/s 3.6m/s
15:00
86% 16°C 0mm 84% 0cm 66° 18°C 0mm 0.34kPa 24134m 4.4m/s 3.8m/s
16:00
88% 16°C 0mm 83% 0cm 55° 18°C 0mm 0.35kPa 24134m 4.7m/s 3.9m/s
17:00
89% 15°C 0mm 83% 0cm 44° 18°C 0mm 0.35kPa 24135m 4.7m/s 4m/s
18:00
91% 15°C 0mm 84% 0cm 32° 18°C 0mm 0.34kPa 24134m 4.8m/s 3.8m/s
19:00
92% 15°C 0mm 84% 0cm 20° 18°C 0mm 0.34kPa 24135m 4.5m/s 3.5m/s
20:00
93% 15°C 0mm 85% 0cm 18°C 0mm 0.31kPa 24134m 4.3m/s 3.4m/s
21:00
94% 15°C 0mm 88% 0cm -1.7° 17°C 0mm 0.24kPa 24135m 4.4m/s 3.4m/s
22:00
91% 15°C 0mm 89% 0cm -12° 17°C 0mm 0.22kPa 24134m 4.6m/s 3.6m/s
23:00
87% 15°C 0mm 89% 0cm -20° 17°C 0mm 0.22kPa 24134m 4.9m/s 3.7m/s
Tue, May 26 Sunrise 06:25 Sunset 20:54
24:00
84% 15°C 0mm 89% 0cm -27° 17°C 0mm 0.21kPa 24135m 5.4m/s 4m/s
01:00
78% 15°C 0mm 90% 0cm -30° 17°C 0mm 0.19kPa 24134m 5.7m/s 4m/s
02:00
71% 15°C 0mm 91% 0cm -31° 17°C 0mm 0.17kPa 24135m 6.1m/s 4.2m/s
03:00
65% 15°C 0mm 92% 0cm -28° 17°C 0mm 0.16kPa 24134m 6.5m/s 4.4m/s
04:00
62% 15°C 0mm 92% 0cm -23° 17°C 0mm 0.15kPa 24134m 6.9m/s 4.6m/s
05:00
60% 15°C 0mm 92% 0cm -15° 16°C 0mm 0.14kPa 24134m 7.3m/s 4.9m/s
06:00
57% 15°C 0mm 92% 0cm -5.1° 16°C 0mm 0.14kPa 24135m 7.8m/s 5.1m/s
07:00
48% 15°C 0mm 93% 0cm 5.5° 16°C 0mm 0.14kPa 24134m 8m/s 5.2m/s
08:00
40% 15°C 0.01mm 92% 0cm 17° 17°C 0mm 0.16kPa 24135m 8.2m/s 5.5m/s
09:00
31% 15°C 0mm 90% 0cm 28° 17°C 0mm 0.2kPa 24134m 8.5m/s 6m/s
10:00
29% 15°C 0mm 89% 0cm 40° 17°C 0.06mm 0.22kPa 24135m 8.9m/s 6.3m/s
11:00
27% 16°C 0mm 89% 0cm 52° 17°C 0.06mm 0.21kPa 24035m 9.1m/s 6.5m/s
12:00
25% 15°C 0mm 89% 0cm 63° 17°C 0.13mm 0.22kPa 24134m 9.3m/s 6.5m/s
13:00
23% 15°C 0mm 87% 0cm 71° 18°C 0.06mm 0.27kPa 24134m 9.3m/s 6.8m/s
14:00
22% 15°C 0mm 85% 0cm 73° 18°C 0.06mm 0.31kPa 24135m 9.6m/s 7.1m/s
15:00
20% 15°C 0mm 83% 0cm 66° 18°C 0.06mm 0.35kPa 24135m 9.7m/s 7.4m/s
16:00
16% 15°C 0mm 83% 0cm 56° 18°C 0.06mm 0.35kPa 24134m 10m/s 7.6m/s
17:00
11% 15°C 0mm 82% 0cm 44° 18°C 0.13mm 0.38kPa 24135m 11m/s 7.8m/s
18:00
7% 15°C 0mm 82% 0cm 32° 18°C 0.13mm 0.38kPa 24134m 11m/s 8m/s
19:00
8% 15°C 0.003mm 82% 0cm 20° 18°C 1.6mm 0.36kPa 24134m 11m/s 8.8m/s
20:00
10% 15°C 0.007mm 83% 0cm 9.1° 17°C 3.2mm 0.34kPa 24135m 12m/s 9.5m/s
21:00
11% 14°C 0.01mm 83% 0cm -1.6° 17°C 4.7mm 0.33kPa 24135m 12m/s 10m/s
22:00
10% 14°C 0.01mm 81% 0cm -12° 17°C 4.7mm 0.37kPa 24135m 12m/s 10m/s
23:00
10% 13°C 0.01mm 79% 0cm -20° 17°C 4.7mm 0.41kPa 24135m 12m/s 10m/s
Wed, May 27 Sunrise 06:25 Sunset 20:55
24:00
9% 13°C 0.01mm 76% 0cm -26° 17°C 4.8mm 0.45kPa 24135m 12m/s 11m/s
01:00
21% 13°C 0.01mm 76% 0cm -30° 17°C 3.2mm 0.46kPa 24135m 12m/s 10m/s
02:00
32% 13°C 0.01mm 76% 0cm -31° 17°C 1.6mm 0.46kPa 24135m 12m/s 10m/s
03:00
44% 13°C 0.01mm 75% 0cm -28° 17°C 0mm 0.47kPa 24135m 12m/s 10m/s
04:00
40% 13°C 0.007mm 76% 0cm -22° 17°C 0.02mm 0.46kPa 24135m 12m/s 9.9m/s
05:00
36% 13°C 0.003mm 76% 0cm -15° 17°C 0.04mm 0.46kPa 24135m 12m/s 9.8m/s
06:00
32% 13°C 0mm 77% 0cm -5° 17°C 0.06mm 0.45kPa 24135m 12m/s 9.6m/s
07:00
33% 13°C 0.007mm 76% 0cm 5.6° 17°C 0.1mm 0.46kPa 24135m 11m/s 9.5m/s
08:00
33% 13°C 0.01mm 75% 0cm 17° 17°C 0.15mm 0.47kPa 24135m 11m/s 9.5m/s
09:00
34% 12°C 0.02mm 75% 0cm 28° 17°C 0.19mm 0.48kPa 24135m 11m/s 9.4m/s
10:00
31% 13°C 0.01mm 75% 0cm 40° 17°C 0.21mm 0.48kPa 24135m 11m/s 9.1m/s
11:00
27% 13°C 0.007mm 75% 0cm 52° 17°C 0.23mm 0.47kPa 24135m 10m/s 8.8m/s
12:00
24% 13°C 0mm 76% 0cm 63° 17°C 0.25mm 0.47kPa 24135m 10m/s 8.5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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