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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
Dewpoint Spread4.1°C
Visibility24134 (Clear)
Relative Humidity79%
Wind Speed0.3m/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 80 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/Costa_Rica
Fog Probability
≥ 75.0%
Tue, Jul 7
22:000%
23:000%
Wed, Jul 8
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Thu, Jul 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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21:000%
22:000%
23:000%
Fri, Jul 10
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
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20:000%
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23:000%
Sat, Jul 11
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
Wed, Jul 8 Sunrise 05:21 Sunset 17:57
07:00
97% 25°C 0mm 79% 0cm 22° 29°C 0mm 0.83kPa 24134m 1.2m/s 0.34m/s
08:00
93% 25°C 0mm 78% 0cm 36° 29°C 0mm 0.9kPa 24135m 1.5m/s 0.94m/s
09:00
90% 25°C 0mm 76% 0cm 49° 29°C 0.06mm 0.95kPa 24135m 1.6m/s 1.4m/s
10:00
83% 25°C 0mm 76% 0cm 62° 29°C 0.13mm 0.97kPa 24135m 2.4m/s 2.5m/s
11:00
76% 25°C 0mm 77% 0cm 73° 29°C 0.31mm 0.95kPa 24135m 3.1m/s 3.3m/s
12:00
69% 25°C 0mm 77% 0cm 75° 29°C 0.44mm 0.95kPa 24134m 3.4m/s 3.6m/s
13:00
54% 25°C 0mm 77% 0cm 66° 30°C 0.06mm 0.97kPa 24134m 4.1m/s 4.2m/s
14:00
39% 25°C 0mm 77% 0cm 54° 30°C 0.25mm 0.97kPa 22766m 4.7m/s 4.9m/s
15:00
24% 25°C 0mm 76% 0cm 40° 30°C 0.63mm 0.98kPa 24135m 4.5m/s 4.6m/s
16:00
22% 25°C 0mm 76% 0cm 26° 30°C 1.8mm 0.99kPa 21324m 4.3m/s 4.3m/s
17:00
21% 25°C 0mm 77% 0cm 13° 29°C 4.3mm 0.94kPa 6407m 4m/s 3.8m/s
18:00
19% 25°C 0mm 76% 0cm -1.1° 29°C 4.8mm 0.99kPa 24135m 3.5m/s 3.3m/s
19:00
13% 25°C 0mm 76% 0cm -15° 29°C 0.31mm 0.97kPa 21242m 3.5m/s 3.3m/s
20:00
8% 25°C 0mm 78% 0cm -28° 29°C 3.2mm 0.89kPa 21347m 3.7m/s 3.3m/s
21:00
2% 25°C 0mm 76% 0cm -40° 29°C 5.7mm 0.96kPa 24134m 2.9m/s 2.6m/s
22:00
1% 24°C 0mm 75% 0cm -50° 29°C 7.7mm 1kPa 6378m 2m/s 1.8m/s
23:00
1% 24°C 0mm 74% 0cm -57° 29°C 8.4mm 1.1kPa 24134m 1.8m/s 1.3m/s
Thu, Jul 9 Sunrise 05:21 Sunset 17:57
24:00
0% 24°C 0mm 73% 0cm -59° 29°C 8.6mm 1.1kPa 24135m 1.7m/s 1.3m/s
01:00
2% 24°C 0mm 73% 0cm -53° 29°C 0.13mm 1.1kPa 24135m 2m/s 1.4m/s
02:00
4% 24°C 0mm 73% 0cm -44° 29°C 0.31mm 1.1kPa 24134m 2.2m/s 1.8m/s
03:00
6% 24°C 0mm 73% 0cm -32° 29°C 0.31mm 1.1kPa 24135m 2.3m/s 1.9m/s
04:00
8% 24°C 0mm 73% 0cm -19° 29°C 0.31mm 1.1kPa 24134m 2.2m/s 1.7m/s
05:00
10% 24°C 0mm 73% 0cm -5.7° 29°C 0.31mm 1.1kPa 24135m 2m/s 1.5m/s
06:00
12% 24°C 0mm 73% 0cm 29°C 0.31mm 1.1kPa 24135m 1.5m/s 1m/s
07:00
12% 24°C 0mm 74% 0cm 22° 29°C 0mm 1.1kPa 24134m 1.3m/s 0.81m/s
08:00
12% 24°C 0mm 73% 0cm 36° 29°C 0mm 1.1kPa 24135m 1.7m/s 0.71m/s
09:00
12% 24°C 0mm 72% 0cm 49° 29°C 0.06mm 1.1kPa 24135m 1.6m/s 0.75m/s
10:00
10% 24°C 0mm 71% 0cm 62° 29°C 0.13mm 1.2kPa 24134m 1.7m/s 1.3m/s
11:00
8% 24°C 0mm 72% 0cm 73° 30°C 0.25mm 1.1kPa 24135m 3m/s 2.9m/s
12:00
6% 24°C 0mm 73% 0cm 76° 30°C 0.25mm 1.1kPa 24135m 3.6m/s 3.8m/s
13:00
6% 24°C 0mm 72% 0cm 66° 30°C 0.06mm 1.1kPa 24134m 3.2m/s 3.6m/s
14:00
7% 24°C 0mm 72% 0cm 54° 30°C 0.06mm 1.1kPa 24135m 3.3m/s 3.6m/s
15:00
7% 24°C 0mm 73% 0cm 40° 30°C 0.13mm 1.1kPa 24135m 3.8m/s 4m/s
16:00
5% 24°C 0mm 74% 0cm 26° 30°C 0.19mm 1.1kPa 24135m 4.1m/s 4.1m/s
17:00
2% 24°C 0mm 74% 0cm 13° 29°C 0.31mm 1.1kPa 24135m 4.4m/s 4.3m/s
18:00
0% 24°C 0mm 75% 0cm -1° 29°C 0.94mm 1kPa 21419m 4.3m/s 4m/s
19:00
0% 24°C 0mm 75% 0cm -15° 29°C 1.6mm 1kPa 18347m 3.5m/s 3.2m/s
20:00
0% 24°C 0.01mm 77% 0cm -28° 29°C 4.9mm 0.9kPa 9991m 3.5m/s 3.2m/s
21:00
0% 24°C 0mm 77% 0cm -40° 29°C 6.9mm 0.88kPa 15788m 3.3m/s 2.9m/s
22:00
0% 24°C 0mm 77% 0cm -51° 28°C 9.9mm 0.86kPa 20134m 2.2m/s 1.8m/s
23:00
0% 24°C 0mm 77% 0cm -58° 28°C 11mm 0.89kPa 24134m 2.5m/s 2.1m/s
Fri, Jul 10 Sunrise 05:22 Sunset 17:57
24:00
0% 24°C 0mm 75% 0cm -59° 29°C 11mm 0.97kPa 24135m 2.5m/s 2.2m/s
01:00
0% 24°C 0mm 77% 0cm -53° 28°C 0.94mm 0.88kPa 18669m 1.9m/s 1.7m/s
02:00
0% 23°C 0mm 77% 0cm -44° 28°C 2.1mm 0.85kPa 18483m 1.6m/s 1.3m/s
03:00
0% 23°C 0mm 76% 0cm -32° 28°C 3.4mm 0.89kPa 22871m 1.1m/s 0.83m/s
04:00
0% 23°C 0mm 74% 0cm -19° 28°C 3.5mm 0.96kPa 24134m 1.2m/s 1m/s
05:00
0% 23°C 0mm 74% 0cm -5.8° 28°C 3.5mm 0.98kPa 24134m 1.3m/s 0.93m/s
06:00
0% 23°C 0mm 74% 0cm 28°C 3.6mm 0.99kPa 24134m 1.5m/s 1.1m/s
07:00
1% 23°C 0mm 74% 0cm 22° 28°C 0mm 1kPa 24135m 1.5m/s 1.1m/s
08:00
1% 23°C 0mm 73% 0cm 36° 28°C 0mm 1kPa 24134m 1.6m/s 1.3m/s
09:00
2% 23°C 0mm 73% 0cm 49° 28°C 0mm 1.1kPa 24134m 1.8m/s 1.5m/s
10:00
2% 23°C 0mm 73% 0cm 62° 29°C 0mm 1.1kPa 24135m 2m/s 1.9m/s
11:00
1% 23°C 0mm 73% 0cm 73° 29°C 0.06mm 1.1kPa 24135m 2.6m/s 2.5m/s
12:00
1% 24°C 0mm 74% 0cm 76° 29°C 0.13mm 1kPa 24135m 3.5m/s 3.4m/s
13:00
1% 24°C 0.08mm 82% 0cm 67° 27°C 5.1mm 0.66kPa 24135m 3.1m/s 2.7m/s
14:00
0% 24°C 0.16mm 90% 0cm 54° 26°C 10mm 0.33kPa 24135m 2.6m/s 2.1m/s
15:00
0% 24°C 0.24mm 98% 0cm 40° 24°C 15mm 0.06kPa 24135m 2.2m/s 1.4m/s
16:00
0% 24°C 0.77mm 98% 0cm 26° 24°C 17mm 0.07kPa 21061m 3.4m/s 1.9m/s
17:00
0% 23°C 1.3mm 97% 0cm 13° 24°C 19mm 0.07kPa 17988m 4.5m/s 2.3m/s
18:00
0% 23°C 1.8mm 97% 0cm -1° 24°C 21mm 0.08kPa 14915m 5.6m/s 2.7m/s
19:00
0% 23°C 1.2mm 97% 0cm -15° 24°C 15mm 0.08kPa 17988m 4.8m/s 2.4m/s
20:00
0% 23°C 0.61mm 97% 0cm -28° 23°C 8.2mm 0.09kPa 21062m 4m/s 2m/s
21:00
0% 23°C 0mm 97% 0cm -40° 23°C 1.7mm 0.09kPa 24135m 3.1m/s 1.7m/s
22:00
0% 23°C 0mm 97% 0cm -51° 23°C 1.7mm 0.1kPa 24135m 2.7m/s 1.5m/s
23:00
0% 22°C 0mm 96% 0cm -58° 23°C 1.7mm 0.11kPa 24135m 2.3m/s 1.4m/s
Sat, Jul 11 Sunrise 05:22 Sunset 17:57
24:00
0% 22°C 0mm 96% 0cm -59° 23°C 1.7mm 0.11kPa 24135m 1.8m/s 1.3m/s
01:00
0% 22°C 0mm 95% 0cm -53° 23°C 1.1mm 0.15kPa 24135m 2.1m/s 1.4m/s
02:00
0% 23°C 0mm 93% 0cm -44° 24°C 0.56mm 0.2kPa 24135m 2.4m/s 1.5m/s
03:00
0% 23°C 0mm 92% 0cm -32° 24°C 0mm 0.24kPa 24135m 2.6m/s 1.6m/s
04:00
0% 23°C 0mm 90% 0cm -19° 25°C 0mm 0.32kPa 24135m 2.7m/s 1.6m/s
05:00
0% 23°C 0mm 88% 0cm -5.8° 25°C 0mm 0.4kPa 24135m 2.8m/s 1.5m/s
06:00
0% 23°C 0mm 85% 0cm 7.9° 26°C 0mm 0.49kPa 24135m 2.9m/s 1.5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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