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Rule Fog Hunter

Fog Hunter Forecast for Nagasaki, Kyushu

Nagasaki, Nagasaki, Japan

Nagasaki's steep streets and harbour overlooks stack hillside homes, port cranes, and water into compressed city layers. At street level, brick and stone heritage facades provide quieter architectural studies.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread2.8°C
Visibility24135 (Clear)
Relative Humidity84%
Wind Speed0.3m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo

No opportunities in the next 14 days

See which requirements block the most forecast hours below.

Most common blockers (95-hour forecast)

  • Fog Probability100% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Kyushu. The requirements and hourly values below show how those signals apply at Nagasaki.

Explore Fog Hunter conditions across Kyushu →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Nagasaki during the last 365 days.

Last 30 days
0
recorded matching windows
Last 90 days
4
recorded matching windows · 91% average confidence
Last 365 days
4
recorded matching windows · 91% average confidence

Only 4 completed matches are recorded in the last 365 days—insufficient history to identify a reliable typical start time or month.

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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95-hour requirements breakdown

When available, the detailed table below covers only the stated 95-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.

What passed or failed, hour by hour
0matching hours in the next 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Fog Probability
≥ 75.0%
Sat, Aug 22
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%
Sun, Aug 23
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, Aug 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%
Tue, Aug 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%
Wed, Aug 26
24:000%
01:000%
02:000%
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
Asia/Tokyo
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, Aug 23 Sunrise 05:48 Sunset 18:57
05:00 ☾
87% 23°C 0mm 84% 0cm -11° 26°C 0mm 0.52kPa 24135m 0.7m/s 0.28m/s
06:00 ☾
97% 23°C 0mm 85% 0cm 1.7° 26°C 0mm 0.51kPa 24135m 0.94m/s 0.81m/s
07:00 ☾
98% 23°C 0mm 79% 0cm 14° 27°C 0mm 0.75kPa 24134m 1.6m/s 1.1m/s
08:00 ☾
98% 23°C 0mm 73% 0cm 26° 29°C 0mm 1.1kPa 24134m 1.7m/s 1.3m/s
09:00
99% 24°C 0mm 70% 0cm 39° 30°C 0mm 1.3kPa 24134m 1.7m/s 1.7m/s
10:00
97% 24°C 0mm 66% 0cm 51° 30°C 0mm 1.5kPa 24134m 1.6m/s 1.8m/s
11:00
95% 23°C 0mm 62% 0cm 61° 31°C 0mm 1.7kPa 24134m 1.4m/s 1.7m/s
12:00
93% 23°C 0mm 59% 0cm 68° 32°C 0mm 1.9kPa 24134m 1.7m/s 2.1m/s
13:00
91% 23°C 0mm 57% 0cm 67° 32°C 0mm 2.1kPa 24134m 1.9m/s 2.5m/s
14:00
89% 22°C 0mm 54% 0cm 59° 33°C 0mm 2.3kPa 24135m 1.9m/s 2.4m/s
15:00
87% 22°C 0mm 48% 0cm 48° 34°C 0mm 2.8kPa 24135m 2.3m/s 2.1m/s
16:00
85% 22°C 0mm 51% 0cm 36° 34°C 0mm 2.5kPa 24135m 3m/s 3.3m/s
17:00
82% 23°C 0mm 59% 0cm 24° 32°C 0mm 1.9kPa 24134m 3.6m/s 3.8m/s
18:00
80% 23°C 0mm 63% 0cm 11° 31°C 0mm 1.6kPa 24134m 4.3m/s 3.2m/s
19:00 ☾
80% 23°C 0mm 69% 0cm -1.2° 29°C 0mm 1.2kPa 24134m 2.7m/s 2.4m/s
20:00 ☾
81% 23°C 0mm 72% 0cm -13° 28°C 0mm 1.1kPa 24135m 2m/s 1.8m/s
21:00 ☾
81% 22°C 0mm 74% 0cm -25° 27°C 0mm 0.96kPa 24135m 1.7m/s 1.5m/s
22:00 ☾
84% 22°C 0mm 74% 0cm -34° 27°C 0mm 0.92kPa 24135m 1.6m/s 1.3m/s
23:00 ☾
88% 22°C 0mm 76% 0cm -42° 27°C 0mm 0.86kPa 24134m 1.7m/s 1.3m/s
Mon, Aug 24 Sunrise 05:49 Sunset 18:56
24:00 ☾
91% 22°C 0mm 78% 0cm -46° 27°C 0mm 0.78kPa 24135m 2.1m/s 1.8m/s
01:00 ☾
93% 23°C 0mm 80% 0cm -45° 26°C 0mm 0.69kPa 24135m 2.2m/s 1.9m/s
02:00 ☾
96% 23°C 0mm 81% 0cm -40° 26°C 0mm 0.64kPa 24134m 1.9m/s 1.6m/s
03:00 ☾
98% 23°C 0mm 82% 0cm -32° 26°C 0mm 0.6kPa 24135m 1.5m/s 1.2m/s
04:00 ☾
98% 22°C 0mm 83% 0cm -22° 26°C 0mm 0.57kPa 24134m 1.3m/s 1.2m/s
05:00 ☾
99% 22°C 0mm 83% 0cm -11° 25°C 0mm 0.54kPa 24134m 1m/s 0.96m/s
06:00 ☾
99% 22°C 0mm 84% 0cm 1.6° 25°C 0mm 0.52kPa 24134m 0.95m/s 0.89m/s
07:00 ☾
99% 22°C 0mm 77% 0cm 14° 27°C 0mm 0.8kPa 24134m 0.6m/s 0.43m/s
08:00 ☾
100% 22°C 0mm 67% 0cm 26° 29°C 0mm 1.3kPa 24134m 0.91m/s 0.42m/s
09:00
100% 22°C 0mm 61% 0cm 39° 30°C 0mm 1.7kPa 24134m 0.9m/s 0.62m/s
10:00
98% 22°C 0mm 60% 0cm 51° 31°C 0mm 1.8kPa 24134m 1.5m/s 2m/s
11:00
96% 23°C 0mm 60% 0cm 61° 31°C 0mm 1.8kPa 24134m 1.8m/s 2.4m/s
12:00
94% 23°C 0mm 59% 0cm 68° 31°C 0mm 1.9kPa 24135m 2m/s 2.5m/s
13:00
93% 22°C 0mm 58% 0cm 67° 32°C 0mm 1.9kPa 24134m 2.3m/s 2.8m/s
14:00
91% 22°C 0mm 54% 0cm 59° 33°C 0mm 2.3kPa 24134m 2.1m/s 2.4m/s
15:00
90% 22°C 0mm 50% 0cm 48° 34°C 0mm 2.6kPa 24134m 2.7m/s 2.2m/s
16:00
87% 22°C 0mm 52% 0cm 36° 34°C 0mm 2.5kPa 24134m 3.3m/s 3.3m/s
17:00
83% 23°C 0mm 59% 0cm 23° 32°C 0mm 2kPa 24135m 4.9m/s 4.4m/s
18:00
80% 23°C 0mm 62% 0cm 11° 31°C 0mm 1.8kPa 24135m 5.2m/s 3.2m/s
19:00 ☾
81% 23°C 0mm 68% 0cm -1.5° 30°C 0mm 1.3kPa 24134m 2.7m/s 2.3m/s
20:00 ☾
81% 23°C 0mm 72% 0cm -14° 29°C 0mm 1.1kPa 24134m 1.5m/s 1.5m/s
21:00 ☾
82% 23°C 0mm 73% 0cm -25° 28°C 0mm 1.1kPa 24134m 1.4m/s 1.4m/s
22:00 ☾
82% 23°C 0mm 74% 0cm -35° 28°C 0mm 0.98kPa 24134m 1.4m/s 1.4m/s
23:00 ☾
83% 23°C 0mm 77% 0cm -42° 28°C 0mm 0.85kPa 24135m 1.5m/s 1.4m/s
Tue, Aug 25 Sunrise 05:49 Sunset 18:55
24:00 ☾
83% 24°C 0mm 82% 0cm -46° 27°C 0mm 0.67kPa 24134m 1.8m/s 1.9m/s
01:00 ☾
83% 24°C 0mm 87% 0cm -45° 27°C 0mm 0.46kPa 24135m 1.1m/s 0.99m/s
02:00 ☾
84% 24°C 0mm 89% 0cm -41° 26°C 0mm 0.37kPa 24134m 1.6m/s 1.5m/s
03:00 ☾
84% 24°C 0mm 91% 0cm -32° 26°C 0mm 0.3kPa 24135m 1.5m/s 1.3m/s
04:00 ☾
86% 24°C 0mm 92% 0cm -22° 26°C 0mm 0.26kPa 24134m 1.6m/s 1.5m/s
05:00 ☾
87% 24°C 0mm 92% 0cm -11° 26°C 0mm 0.25kPa 24134m 1.3m/s 1.2m/s
06:00 ☾
89% 24°C 0mm 92% 0cm 1.5° 25°C 0mm 0.24kPa 24134m 1.2m/s 1.1m/s
07:00 ☾
90% 24°C 0mm 85% 0cm 14° 27°C 0mm 0.54kPa 24135m 1.3m/s 0.88m/s
08:00 ☾
90% 24°C 0mm 73% 0cm 26° 29°C 0mm 1.1kPa 24134m 1.3m/s 0.5m/s
09:00
91% 23°C 0mm 63% 0cm 39° 31°C 0mm 1.6kPa 24134m 2.5m/s 1.3m/s
10:00
92% 22°C 0mm 60% 0cm 51° 31°C 0mm 1.8kPa 24134m 2.3m/s 1.3m/s
11:00
93% 22°C 0mm 56% 0cm 61° 32°C 0mm 2kPa 24134m 2m/s 1.3m/s
12:00
94% 21°C 0mm 53% 0cm 67° 32°C 0mm 2.2kPa 24135m 1.7m/s 1.4m/s
13:00
95% 21°C 0mm 55% 0cm 66° 31°C 0mm 2kPa 24135m 2.1m/s 1.6m/s
14:00
95% 20°C 0mm 56% 0cm 59° 30°C 0mm 1.9kPa 24135m 2.5m/s 1.8m/s
15:00
96% 20°C 0mm 58% 0cm 48° 29°C 0mm 1.7kPa 24135m 2.9m/s 2m/s
16:00
91% 20°C 0mm 60% 0cm 36° 29°C 0mm 1.6kPa 24135m 2.4m/s 1.7m/s
17:00
85% 20°C 0mm 61% 0cm 23° 28°C 0mm 1.5kPa 24135m 1.8m/s 1.4m/s
18:00
80% 20°C 0mm 63% 0cm 11° 28°C 0mm 1.4kPa 24135m 1.2m/s 1.1m/s
19:00 ☾
77% 20°C 0mm 65% 0cm -1.8° 27°C 0mm 1.2kPa 24135m 1.6m/s 1.4m/s
20:00 ☾
74% 20°C 0mm 67% 0cm -14° 27°C 0mm 1.1kPa 24135m 2m/s 1.7m/s
21:00 ☾
71% 20°C 0mm 69% 0cm -25° 26°C 0mm 1.1kPa 24135m 2.3m/s 1.9m/s
22:00 ☾
66% 20°C 0mm 71% 0cm -35° 26°C 0mm 0.99kPa 24135m 2.4m/s 1.9m/s
23:00 ☾
61% 21°C 0mm 72% 0cm -42° 26°C 0mm 0.93kPa 24135m 2.4m/s 1.9m/s
Wed, Aug 26 Sunrise 05:50 Sunset 18:54
24:00 ☾
56% 21°C 0mm 73% 0cm -46° 26°C 0mm 0.88kPa 24135m 2.4m/s 1.9m/s
01:00 ☾
56% 21°C 0mm 67% 0cm -46° 27°C 0mm 1.2kPa 24135m 3m/s 2m/s
02:00 ☾
55% 20°C 0mm 60% 0cm -41° 29°C 0mm 1.6kPa 24135m 3.5m/s 2.1m/s
03:00 ☾
55% 20°C 0mm 53% 0cm -33° 30°C 0mm 2kPa 24135m 4m/s 2.2m/s
04:00 ☾
54% 20°C 0mm 54% 0cm -22° 30°C 0.02mm 2kPa 24135m 4.2m/s 2.4m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

How opportunities work → Weather data sources →
Forecast generated

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