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- 3h
3-hourly view
3h 1h
General Sea & Surf
Icon
Light rain, thunderstorms likely
Heavy rain, thunderstorms likely
Heavy rain, thunderstorms likely
Rain, thunderstorms likely
Light rain, thunderstorms likely
Mixed with cirrus with some thunderstorm clouds possible
Light rain, thunderstorms likely
Light rain, thunderstorms likely
°F
78°
79°
80°
83°
84°
82°
81°
80°
°F
73°
75°
80°
84°
86°
83°
83°
84°
SSE
S
SSW
SW
WSW
WSW
W
W
mph
SSE
30-48
S
29-50
SSW
24-43
SW
22-39
WSW
22-36
WSW
20-31
W
17-26
W
14-22
in
0.10
95%
0.50
100%
0.60
100%
0.22
95%
0.05
80%
-
70%
< 0.04
65%
< 0.04
45%
%
95%
100%
100%
95%
80%
70%
65%
45%
in

00:00 to 01:00:
90% chance of precipitation in the area.
0″ are predicted by our local models.

01:00 to 02:00:
90% chance of precipitation in the area.
0.01″ are predicted by our local models.

02:00 to 03:00:
95% chance of precipitation in the area.
0.09″ are predicted by our local models.

03:00 to 04:00:
95% chance of precipitation in the area.
0.12″ are predicted by our local models.

04:00 to 05:00:
100% chance of precipitation in the area.
0.23″ are predicted by our local models.

05:00 to 06:00:
100% chance of precipitation in the area.
0.16″ are predicted by our local models.

06:00 to 07:00:
100% chance of precipitation in the area.
0.22″ are predicted by our local models.

07:00 to 08:00:
100% chance of precipitation in the area.
0.21″ are predicted by our local models.

08:00 to 09:00:
100% chance of precipitation in the area.
0.17″ are predicted by our local models.

09:00 to 10:00:
95% chance of precipitation in the area.
0.12″ are predicted by our local models.

10:00 to 11:00:
95% chance of precipitation in the area.
0.04″ are predicted by our local models.

11:00 to 12:00:
85% chance of precipitation in the area.
0.07″ are predicted by our local models.

12:00 to 13:00:
80% chance of precipitation in the area.
0.05″ are predicted by our local models.

13:00 to 14:00:
75% chance of precipitation in the area.
0″ are predicted by our local models.

14:00 to 15:00:
70% chance of precipitation in the area.
0″ are predicted by our local models.

15:00 to 16:00:
70% chance of precipitation in the area.
0″ are predicted by our local models.

16:00 to 17:00:
70% chance of precipitation in the area.
0″ are predicted by our local models.

17:00 to 18:00:
70% chance of precipitation in the area.
0″ are predicted by our local models.

18:00 to 19:00:
65% chance of precipitation in the area.
0″ are predicted by our local models.

19:00 to 20:00:
60% chance of precipitation in the area.
0″ are predicted by our local models.

20:00 to 21:00:
55% chance of precipitation in the area.
0.03″ are predicted by our local models.

21:00 to 22:00:
45% chance of precipitation in the area.
0″ are predicted by our local models.

22:00 to 23:00:
40% chance of precipitation in the area.
0″ are predicted by our local models.

23:00 to 00:00:
35% chance of precipitation in the area.
0″ are predicted by our local models.

12.4 mi
Sea/surf forecast
Significant wave height (m)
6
6
5.5
5.5
4.4
4.4
3.6
3.6
3.1
3.1
2.7
2.7
2.5
2.5
2.4
2.4
Significant wave direction in which the waves move
Water temperature (°F)
80°
80°
79°
79°
79°
80°
80°
80°
Swell wave height (m)
1.2
1.2
0.4
0.4
1.9
1.9
0.8
0.8
2
2
2.5
2.5
2.4
2.4
2.4
2.4
Swell wave period (s)
11.9
11.9
11
11
9.9
9.9
9
9
8.2
8.2
7.8
7.8
7.6
7.6
7.5
7.5
Wind wave direction in which the waves move
Wind wave height (m)
5.7
5.7
5.4
5.4
3.6
3.6
3.3
3.3
2.1
2.1
0.9
0.9
0.5
0.5
0.2
0.2
Wind wave period (s)
8.7
8.5
7.3
6.8
5.4
4.2
3.2
2.4
The weather forecast has medium predictability. Compare different forecasts with MultiModel.

Weather report for Chatan

Until noon there is a chance of thunderstorms and local showers. For this afternoon no more showers are expected but it remains partly cloudy. Heavy precipitation of >0. 8" is forecast for Friday. The sun will not be visible. Precipitation is very likely with an 80% chance. Temperature highs are likely to reach 85 °F. With UV-Index rising to 9, sun protection is strongly recommended. During the night and in the morning a strong breeze is blowing (25 to 32 mph). Friday afternoon blows a fresh breeze (18 to 25 mph). Gusts to 51 mph are possible. Winds blowing overnight from South, in the morning from Southwest and during the afternoon from West. The weather forecast for Chatan for Friday can be accurate in parts but deviations are expected. Check again for latest updates.

sun-icon
UV 9
05:36
19:26
Waxing gibbous moon (142°)
16:25
02:20

Pressure: 999 hPa

Timezone: JST (UTC +09:00h)

Official severe weather warnings

雷注意報
Moderate weather warning
Now
From Today 18:00 (28 minutes ago)
Until Tomorrow 12:00 (17 hours from now)
Lightning storm advisory
Moderate weather warning
Now
From Today 18:00 (28 minutes ago)
Until Tomorrow 12:00 (17 hours from now)
Last update:
Language:

Storm watch - Wind map

High wind speeds expected for Chatan. More Weather Maps

The animation shows the wind conditions of the storm at 200m above ground, which corresponds well with expected gusts at the surface. Choose other time steps to see the forecast of the storm.

Radar and precipitation nowcast, Japan

Drizzle
Light
Moderate
Heavy
Very Heavy
Hail

The location marker is placed on Chatan. This animation shows the precipitation radar for the selected time range, as well as a 2h forecast. Orange crosses indicate lightning. Data provided by nowcast.de (available in USA, Europe, Australia). Drizzle or light snow fall might be invisible for the radar. Precipitation intensity is colour coded, ranging from turquoise to red.

Hourly weather forecast for Chatan

Our 5-day meteogram for Chatan offers all weather information in 3 simple graphs: [More]
  • Temperature chart with weather pictograms. The yellow background indicates daylight.
  • Clouds in different altitudes: from few clouds (light grey) to overcast (dark grey). Dark blue bars show hourly precipitation and light blue showers. An asterisk indicates snow fall.
  • Forecasts for wind speeds are blue and for gusts are green. The arrowheads point in the same direction as the wind.

You can embed this meteogram into your own website. Customize it here.

Live satellite map, Japan

The location marker is placed on Chatan. [More]

The real-time satellite image combines visible light during daytime with infrared radiation during nighttime. At night, the image is not dark as infrared radiation can detect temperature differences. Unfortunately, low clouds and fog are difficult to distinguish from ground temperatures and thus can be almost invisible during the night. Meteosat satellite images for Europe are updated in real-time every 5 minutes. GOES-16/GOES-17 (North & South America) and Himawari (Asia) images update every 10 minutes.

Precipitation is estimated from radar and satellites. Precipitation estimates from satellites are less accurate at night than during daytime.

© 2026 meteoblue, NOAA Satellites GOES-16 and EUMETSAT. Lightning data provided by nowcast.

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