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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 · ≥ 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 Spread3.7°C
Visibility24135 (Clear)
Relative Humidity80%
Wind Speed2.3m/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
≥ 75.0%
Sat, May 23
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, May 24
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%
Mon, May 25
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 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%
15:0042%
16:000%
17:000%
18:000%
19:000%
20:000%
21:0053%
22:000%
23:000%
Wed, May 27
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
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
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
Sun, May 24 Sunrise 05:14 Sunset 17:48
07:00
3% 24°C 0mm 80% 0cm 24° 28°C 0mm 0.73kPa 24135m 2.1m/s 2.3m/s
08:00
7% 24°C 0mm 78% 0cm 38° 28°C 0mm 0.82kPa 24135m 1.7m/s 1.6m/s
09:00
10% 24°C 0mm 75% 0cm 52° 28°C 0mm 0.96kPa 24134m 1.4m/s 1.1m/s
10:00
13% 24°C 0mm 74% 0cm 65° 29°C 0mm 1kPa 24134m 1.9m/s 1.7m/s
11:00
17% 24°C 0mm 76% 0cm 76° 29°C 0.06mm 0.95kPa 24134m 2.8m/s 3m/s
12:00
20% 25°C 0mm 77% 0cm 76° 29°C 0.31mm 0.9kPa 24134m 3.8m/s 3.8m/s
13:00
21% 24°C 0mm 76% 0cm 65° 29°C 0.13mm 0.98kPa 24135m 4m/s 4.3m/s
14:00
21% 24°C 0.01mm 75% 0cm 52° 29°C 0.69mm 0.98kPa 24134m 4.2m/s 4.3m/s
15:00
22% 24°C 0mm 75% 0cm 38° 29°C 1.8mm 0.99kPa 16883m 3.8m/s 3.7m/s
16:00
16% 24°C 0mm 74% 0cm 24° 29°C 2.8mm 1kPa 24134m 3.3m/s 3.1m/s
17:00
9% 24°C 0mm 76% 0cm 10° 29°C 4.4mm 0.92kPa 18260m 2.7m/s 2.3m/s
18:00 ☾
3% 24°C 0mm 76% 0cm -3.4° 29°C 5.5mm 0.93kPa 18373m 2.3m/s 2m/s
19:00 ☾
2% 24°C 0mm 77% 0cm -17° 28°C 1.2mm 0.86kPa 24135m 1.9m/s 1.5m/s
20:00 ☾
1% 24°C 0mm 75% 0cm -30° 28°C 1.9mm 0.97kPa 24135m 1m/s 0.83m/s
21:00 ☾
0% 24°C 0mm 75% 0cm -42° 28°C 2.5mm 0.96kPa 24135m 0.73m/s 0.25m/s
22:00 ☾
0% 24°C 0mm 75% 0cm -53° 28°C 3.1mm 0.96kPa 24134m 0.5m/s 0.14m/s
23:00 ☾
1% 24°C 0mm 75% 0cm -59° 28°C 3.2mm 0.98kPa 24134m 0.9m/s 0.31m/s
Mon, May 25 Sunrise 05:14 Sunset 17:48
24:00 ☾
1% 24°C 0mm 75% 0cm -60° 28°C 3.2mm 0.98kPa 22737m 1.2m/s 0.47m/s
01:00 ☾
2% 23°C 0mm 77% 0cm -53° 28°C 1.4mm 0.85kPa 12219m 0.8m/s 0.43m/s
02:00 ☾
3% 23°C 0mm 77% 0cm -43° 28°C 3.4mm 0.86kPa 20036m 1.2m/s 1m/s
03:00 ☾
4% 23°C 0mm 77% 0cm -31° 28°C 4.1mm 0.87kPa 24135m 1.2m/s 0.69m/s
04:00 ☾
4% 23°C 0mm 76% 0cm -18° 28°C 4.2mm 0.9kPa 24135m 1.5m/s 0.91m/s
05:00 ☾
3% 24°C 0mm 76% 0cm -4.1° 28°C 4.2mm 0.9kPa 24134m 1.4m/s 1m/s
06:00
3% 24°C 0mm 77% 0cm 9.8° 28°C 4.2mm 0.87kPa 24135m 1.3m/s 1.3m/s
07:00
4% 24°C 0mm 77% 0cm 24° 28°C 0mm 0.85kPa 24134m 0.92m/s 1.1m/s
08:00
4% 24°C 0mm 76% 0cm 38° 28°C 0mm 0.9kPa 24134m 1m/s 1.1m/s
09:00
5% 24°C 0mm 74% 0cm 52° 29°C 0mm 1kPa 24134m 1.3m/s 0.96m/s
10:00
4% 23°C 0mm 72% 0cm 65° 29°C 0mm 1.1kPa 24134m 1.9m/s 1.5m/s
11:00
2% 24°C 0mm 72% 0cm 76° 29°C 0mm 1.1kPa 24135m 2.6m/s 2.7m/s
12:00
1% 24°C 0mm 72% 0cm 76° 29°C 0.06mm 1.1kPa 24134m 3m/s 3.3m/s
13:00
1% 24°C 0mm 72% 0cm 65° 29°C 0mm 1.1kPa 24135m 3.2m/s 3.3m/s
14:00
1% 24°C 0mm 72% 0cm 52° 29°C 0.13mm 1.1kPa 24134m 3.7m/s 3.8m/s
15:00
1% 24°C 0mm 72% 0cm 38° 29°C 0.19mm 1.1kPa 24135m 3.8m/s 4m/s
16:00
1% 24°C 0mm 73% 0cm 24° 29°C 0.5mm 1.1kPa 24134m 3.6m/s 3.6m/s
17:00
1% 24°C 0.01mm 73% 0cm 11° 29°C 0.88mm 1.1kPa 24134m 3m/s 2.9m/s
18:00 ☾
1% 24°C 0.01mm 74% 0cm -3.3° 29°C 1.4mm 1.1kPa 24135m 2.4m/s 2.3m/s
19:00 ☾
1% 24°C 0.13mm 77% 0cm -17° 28°C 3.3mm 0.86kPa 2369m 1.8m/s 1.7m/s
20:00 ☾
1% 24°C 0.09mm 77% 0cm -30° 28°C 6.1mm 0.88kPa 24135m 1.7m/s 1.3m/s
21:00 ☾
1% 24°C 0.02mm 78% 0cm -42° 28°C 6.5mm 0.84kPa 24134m 1.9m/s 2.2m/s
22:00 ☾
1% 24°C 0mm 81% 0cm -53° 28°C 6.6mm 0.72kPa 24134m 2.6m/s 3.1m/s
23:00 ☾
0% 24°C 0.01mm 82% 0cm -59° 28°C 6.6mm 0.65kPa 24134m 2.6m/s 3m/s
Tue, May 26 Sunrise 05:14 Sunset 17:48
24:00 ☾
0% 24°C 0mm 82% 0cm -59° 27°C 6.6mm 0.67kPa 24135m 1.4m/s 1.8m/s
01:00 ☾
0% 24°C 0mm 81% 0cm -53° 27°C 0mm 0.71kPa 24134m 0.4m/s 0.38m/s
02:00 ☾
0% 24°C 0mm 80% 0cm -43° 28°C 0mm 0.74kPa 24135m 1m/s 0.36m/s
03:00 ☾
0% 24°C 0mm 79% 0cm -31° 28°C 0mm 0.8kPa 24134m 1.1m/s 0.49m/s
04:00 ☾
0% 24°C 0mm 80% 0cm -18° 28°C 0.44mm 0.75kPa 24135m 1.3m/s 0.95m/s
05:00 ☾
0% 24°C 0mm 79% 0cm -4.1° 28°C 1.9mm 0.76kPa 12685m 1.4m/s 1m/s
06:00
0% 24°C 0mm 78% 0cm 9.8° 28°C 3mm 0.81kPa 12301m 1.4m/s 1.3m/s
07:00
1% 24°C 0mm 79% 0cm 24° 28°C 1.7mm 0.77kPa 18431m 1.3m/s 1.3m/s
08:00
2% 23°C 0mm 78% 0cm 38° 28°C 3.3mm 0.83kPa 17318m 1.1m/s 1.2m/s
09:00
3% 23°C 0mm 74% 0cm 51° 28°C 3.5mm 0.97kPa 24135m 0.71m/s 0.91m/s
10:00
2% 23°C 0mm 73% 0cm 65° 28°C 3.5mm 1kPa 24134m 0.93m/s 0.84m/s
11:00
1% 23°C 0mm 75% 0cm 75° 28°C 3.6mm 0.97kPa 24135m 2.1m/s 2.1m/s
12:00
0% 23°C 0.01mm 76% 0cm 76° 28°C 3.6mm 0.92kPa 24134m 2.1m/s 2.2m/s
13:00
1% 23°C 0.007mm 82% 0cm 65° 27°C 2.4mm 0.61kPa 24134m 2m/s 1.9m/s
14:00
1% 23°C 0.003mm 89% 0cm 52° 25°C 1.3mm 0.34kPa 24135m 1.8m/s 1.6m/s
15:00
2% 23°C 0mm 96% 0cm 38° 24°C 0.06mm 0.11kPa 24135m 1.7m/s 1.3m/s
16:00
1% 23°C 0.003mm 96% 0cm 24° 24°C 0.06mm 0.13kPa 24135m 1.8m/s 1.3m/s
17:00
1% 23°C 0.007mm 95% 0cm 11° 24°C 0.06mm 0.14kPa 24135m 2m/s 1.3m/s
18:00 ☾
0% 23°C 0.01mm 95% 0cm -3.3° 24°C 0.06mm 0.15kPa 24135m 2.1m/s 1.4m/s
19:00 ☾
0% 23°C 0.01mm 95% 0cm -17° 24°C 0.1mm 0.14kPa 24135m 1.9m/s 1.4m/s
20:00 ☾
0% 23°C 0.01mm 96% 0cm -30° 23°C 0.15mm 0.12kPa 24135m 1.7m/s 1.4m/s
21:00 ☾
0% 23°C 0.01mm 96% 0cm -42° 23°C 0.19mm 0.11kPa 24135m 1.4m/s 1.4m/s
22:00 ☾
0% 23°C 0.007mm 96% 0cm -52° 23°C 0.25mm 0.12kPa 24135m 1.5m/s 1.3m/s
23:00 ☾
0% 23°C 0.003mm 95% 0cm -59° 23°C 0.31mm 0.14kPa 24135m 1.5m/s 1.3m/s
Wed, May 27 Sunrise 05:14 Sunset 17:49
24:00 ☾
0% 23°C 0mm 95% 0cm -59° 24°C 0.38mm 0.15kPa 24135m 1.5m/s 1.3m/s
01:00 ☾
0% 23°C 0.003mm 92% 0cm -53° 24°C 0.33mm 0.26kPa 24135m 1.3m/s 1m/s
02:00 ☾
1% 23°C 0.007mm 88% 0cm -43° 25°C 0.29mm 0.37kPa 24135m 1m/s 0.82m/s
03:00 ☾
1% 24°C 0.01mm 85% 0cm -31° 26°C 0.25mm 0.5kPa 24135m 0.73m/s 0.61m/s
04:00 ☾
1% 24°C 0.007mm 80% 0cm -18° 27°C 0.4mm 0.71kPa 17888m 1m/s 1.1m/s
05:00 ☾
1% 24°C 0.003mm 76% 0cm -4.1° 28°C 0.54mm 0.94kPa 11641m 1.4m/s 1.5m/s
06:00
1% 23°C 0mm 71% 0cm 9.8° 29°C 0.69mm 1.2kPa 5394m 1.7m/s 1.9m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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