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Rule Fog Hunter

Drake Bay - Fog Hunter - Costa Rica

Drake Bay, Puntarenas Province, Costa Rica

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 Spread6.3°C
Visibility24134 (Clear)
Relative Humidity69%
Wind Speed4.1m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/Costa_Rica

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 cloud forest conditions and valley fog create atmospheric scenes across Costa Rica's diverse elevations and microclimates. We track elevation-specific humidity, temperature differentials, and wind patterns to identify when fog and mist transform rainforest, cloud forest, and volcanic landscapes.

Costa Rica's dramatic topography creates numerous fog microclimates—from Monteverde's perpetual cloud forest mist to volcanic valley inversions to Caribbean coastal morning fog. The collision of Pacific and Caribbean weather systems over mountainous terrain produces exceptional fog photography opportunities year-round, with green season (May-November) bringing the most dramatic conditions.

What makes Costa Rica fog photography special:

  • Cloud forest immersion - Monteverde's permanent fog layer supports epiphyte-draped forests where mist is the defining feature, not occasional visitor
  • Volcanic valley fog - Arenal and Turrialba valleys fill with morning fog while volcanic peaks emerge above inversion layers
  • Microclimate transitions - Experience multiple fog types in single day—cloud forest, valley fog, coastal mist across short distances
  • Jungle emergence - Rainforest canopy trees and cecropia emerging from morning fog layers create layered atmospheric compositions

Monteverde cloud forest reserve exists because of fog—the persistent cloud layer that supports one of Earth's most biodiverse ecosystems. Here, photography captures fog as environment, with epiphytes, bromeliads, and moss-draped trees emerging from perpetual mist. The suspended bridges offer unique elevated perspectives into the fog layer. From La Fortuna, Arenal Volcano's perfect cone rises above valley fog on calm mornings, especially during green season. Turrialba Valley experiences similar inversions with the active volcano emerging above fog pools. Rincón de la Vieja's volcanic slopes create altitude-based fog layers with fumaroles adding volcanic steam to natural mist. Best conditions occur during green season when humidity is highest—arrive early as valley fog often dissipates by 8-9 AM.

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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
America/Costa_Rica
Fog Probability
≥ 60.0%
Mon, Apr 20
13:000%
14:000%
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Tue, Apr 21
24:000%
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Wed, Apr 22
24:000%
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Thu, Apr 23
24:000%
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Fri, Apr 24
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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
America/Costa_Rica
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
Tue, Apr 21 Sunrise 05:22 Sunset 17:44
13:00
60% 22°C 0mm 69% 0cm 68° 29°C 0mm 1.2kPa 24134m 3.7m/s 4.1m/s
14:00
66% 23°C 0mm 69% 0cm 54° 29°C 0mm 1.2kPa 24134m 4.2m/s 4.4m/s
15:00
71% 22°C 0mm 68% 0cm 39° 29°C 0mm 1.3kPa 24134m 4.3m/s 4.5m/s
16:00
70% 22°C 0mm 67% 0cm 24° 29°C 0mm 1.3kPa 24134m 3.6m/s 3.7m/s
17:00
69% 22°C 0mm 67% 0cm 10° 29°C 0mm 1.3kPa 24135m 2.6m/s 2.6m/s
18:00
68% 22°C 0mm 67% 0cm -4.6° 29°C 0mm 1.3kPa 24134m 2m/s 1.9m/s
19:00
74% 22°C 0mm 67% 0cm -19° 29°C 0mm 1.3kPa 24135m 1.6m/s 1.4m/s
20:00
81% 22°C 0mm 68% 0cm -33° 29°C 0.06mm 1.3kPa 24134m 1.4m/s 1.2m/s
21:00
87% 23°C 0mm 70% 0cm -47° 28°C 0.69mm 1.1kPa 19107m 2.3m/s 2.1m/s
22:00
86% 23°C 0mm 72% 0cm -59° 28°C 1.6mm 1.1kPa 8143m 2.4m/s 1.9m/s
23:00
84% 22°C 0mm 73% 0cm -68° 28°C 3.6mm 1kPa 12064m 2.1m/s 1.8m/s
Wed, Apr 22 Sunrise 05:22 Sunset 17:44
24:00
83% 22°C 0.01mm 72% 0cm -68° 28°C 5.3mm 1kPa 11645m 1.5m/s 1.4m/s
01:00
71% 22°C 0mm 72% 0cm -60° 28°C 1mm 1kPa 22810m 1.4m/s 1m/s
02:00
60% 22°C 0mm 71% 0cm -48° 28°C 1.3mm 1.1kPa 24134m 1.1m/s 0.29m/s
03:00
48% 22°C 0mm 72% 0cm -34° 27°C 1.7mm 1kPa 13770m 1.1m/s 0.83m/s
04:00
42% 22°C 0mm 73% 0cm -20° 27°C 1.9mm 0.98kPa 21480m 1.3m/s 1.4m/s
05:00
37% 22°C 0mm 73% 0cm -6.1° 27°C 2.1mm 0.97kPa 24134m 1.6m/s 1.6m/s
06:00
31% 22°C 0mm 74% 0cm 8.5° 27°C 2.1mm 0.95kPa 24135m 1.5m/s 1.7m/s
07:00
27% 22°C 0mm 75% 0cm 23° 27°C 0mm 0.89kPa 24135m 1.8m/s 2.4m/s
08:00
22% 23°C 0mm 76% 0cm 38° 27°C 0mm 0.87kPa 24135m 1.5m/s 2.1m/s
09:00
18% 22°C 0mm 74% 0cm 52° 27°C 0mm 0.94kPa 24135m 0.62m/s 1.1m/s
10:00
20% 22°C 0mm 73% 0cm 67° 27°C 0mm 0.98kPa 24135m 1.3m/s 0.92m/s
11:00
21% 22°C 0mm 71% 0cm 81° 28°C 0mm 1.1kPa 24134m 2.2m/s 2m/s
12:00
23% 22°C 0mm 68% 0cm 82° 28°C 0mm 1.2kPa 24134m 3.1m/s 3.1m/s
13:00
24% 22°C 0mm 67% 0cm 68° 29°C 0mm 1.3kPa 24134m 3.7m/s 3.8m/s
14:00
26% 22°C 0mm 66% 0cm 54° 29°C 0mm 1.4kPa 24134m 3.4m/s 3.4m/s
15:00
27% 22°C 0mm 66% 0cm 39° 29°C 0mm 1.4kPa 24135m 3.3m/s 3.4m/s
16:00
24% 22°C 0mm 66% 0cm 24° 29°C 0mm 1.3kPa 24135m 3.7m/s 3.8m/s
17:00
21% 22°C 0mm 66% 0cm 9.9° 29°C 0mm 1.4kPa 24135m 3.2m/s 3.2m/s
18:00
18% 22°C 0mm 66% 0cm -4.6° 29°C 0mm 1.3kPa 24134m 2.7m/s 2.8m/s
19:00
22% 22°C 0mm 67% 0cm -19° 29°C 0mm 1.3kPa 24135m 2.6m/s 2.6m/s
20:00
27% 22°C 0mm 67% 0cm -33° 29°C 0mm 1.3kPa 24135m 2.6m/s 2.7m/s
21:00
31% 22°C 0mm 68% 0cm -46° 29°C 0mm 1.3kPa 24135m 2.6m/s 2.5m/s
22:00
27% 22°C 0mm 68% 0cm -59° 29°C 0.06mm 1.3kPa 24135m 2.7m/s 2.7m/s
23:00
23% 22°C 0mm 69% 0cm -67° 29°C 0.19mm 1.2kPa 24135m 3m/s 3m/s
Thu, Apr 23 Sunrise 05:21 Sunset 17:44
24:00
19% 22°C 0mm 70% 0cm -68° 28°C 0.31mm 1.2kPa 24135m 3.1m/s 3.1m/s
01:00
15% 23°C 0.01mm 73% 0cm -60° 28°C 1.3mm 0.99kPa 4716m 3.2m/s 2.8m/s
02:00
12% 22°C 0.01mm 74% 0cm -48° 27°C 3.3mm 0.93kPa 11001m 2.3m/s 1.7m/s
03:00
8% 22°C 0mm 75% 0cm -34° 27°C 4.9mm 0.89kPa 10498m 1.8m/s 0.92m/s
04:00
7% 22°C 0mm 75% 0cm -20° 27°C 7.4mm 0.88kPa 4147m 2m/s 1.3m/s
05:00
6% 22°C 0.01mm 75% 0cm -6° 27°C 10mm 0.87kPa 4006m 1.4m/s 0.74m/s
06:00
5% 22°C 0.25mm 77% 0cm 8.5° 26°C 13mm 0.77kPa 11917m 1.5m/s 1.7m/s
07:00
5% 23°C 0.92mm 83% 0cm 23° 26°C 1.8mm 0.56kPa 17057m 2.4m/s 2.7m/s
08:00
6% 23°C 1.8mm 86% 0cm 38° 25°C 3.5mm 0.44kPa 12333m 2.4m/s 2.7m/s
09:00
6% 23°C 1.6mm 88% 0cm 52° 25°C 5.2mm 0.39kPa 12366m 2.4m/s 2.6m/s
10:00
5% 22°C 0.72mm 86% 0cm 67° 25°C 6.4mm 0.45kPa 15030m 2.4m/s 2.2m/s
11:00
5% 21°C 0.1mm 81% 0cm 81° 25°C 6.7mm 0.61kPa 24134m 2.4m/s 2.2m/s
12:00
4% 21°C 0.01mm 75% 0cm 82° 25°C 6.8mm 0.81kPa 24134m 2m/s 1.6m/s
13:00
5% 20°C 0mm 70% 0cm 68° 26°C 0mm 1kPa 24134m 1.6m/s 1.1m/s
14:00
5% 21°C 0mm 70% 0cm 54° 27°C 0mm 1.1kPa 24134m 2.2m/s 1.6m/s
15:00
6% 21°C 0mm 72% 0cm 39° 27°C 0mm 0.99kPa 24134m 2.5m/s 1.9m/s
16:00
7% 22°C 0mm 73% 0cm 24° 27°C 0.13mm 0.95kPa 23824m 2.6m/s 2m/s
17:00
9% 22°C 0mm 74% 0cm 9.9° 27°C 0.19mm 0.96kPa 23722m 2.2m/s 1.7m/s
18:00
10% 22°C 0mm 75% 0cm -4.5° 27°C 0.94mm 0.89kPa 24135m 1.1m/s 0.98m/s
19:00
13% 22°C 0.007mm 80% 0cm -19° 25°C 0.77mm 0.63kPa 24135m 1.1m/s 1m/s
20:00
16% 21°C 0.01mm 86% 0cm -33° 24°C 0.6mm 0.41kPa 24135m 1m/s 1m/s
21:00
19% 21°C 0.02mm 91% 0cm -46° 22°C 0.44mm 0.23kPa 24135m 1m/s 1m/s
22:00
21% 21°C 0.02mm 91% 0cm -58° 22°C 0.54mm 0.25kPa 24135m 0.99m/s 1m/s
23:00
22% 21°C 0.03mm 90% 0cm -67° 22°C 0.65mm 0.26kPa 24135m 0.96m/s 1m/s
Fri, Apr 24 Sunrise 05:21 Sunset 17:44
24:00
24% 21°C 0.03mm 90% 0cm -67° 23°C 0.75mm 0.28kPa 24135m 0.93m/s 1m/s
01:00
29% 21°C 0.02mm 82% 0cm -59° 25°C 0.54mm 0.55kPa 24135m 1.2m/s 1.1m/s
02:00
33% 22°C 0.01mm 74% 0cm -48° 26°C 0.33mm 0.89kPa 24135m 1.5m/s 1.2m/s
03:00
38% 22°C 0mm 66% 0cm -34° 28°C 0.13mm 1.3kPa 24135m 1.8m/s 1.3m/s
04:00
34% 22°C 0.003mm 65% 0cm -20° 29°C 0.19mm 1.4kPa 22207m 2.1m/s 1.8m/s
05:00
29% 21°C 0.007mm 64% 0cm -5.9° 29°C 0.25mm 1.4kPa 20278m 2.5m/s 2.4m/s
06:00
25% 21°C 0.01mm 63% 0cm 8.6° 29°C 0.31mm 1.5kPa 18350m 2.8m/s 2.9m/s
07:00
25% 21°C 0.007mm 64% 0cm 23° 29°C 0.58mm 1.4kPa 20158m 3.1m/s 2.9m/s
08:00
24% 22°C 0.003mm 65% 0cm 38° 29°C 0.85mm 1.4kPa 21967m 3.3m/s 2.9m/s
09:00
24% 22°C 0mm 67% 0cm 52° 28°C 1.1mm 1.3kPa 23776m 3.5m/s 3m/s
10:00
24% 22°C 0.07mm 73% 0cm 67° 27°C 1.7mm 0.95kPa 23896m 3.2m/s 2.6m/s
11:00
24% 22°C 0.15mm 80% 0cm 81° 26°C 2.3mm 0.67kPa 24015m 2.9m/s 2.2m/s
12:00
24% 22°C 0.22mm 86% 0cm 82° 24°C 2.9mm 0.42kPa 24135m 2.6m/s 1.8m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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