Uchiboso surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 05 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Uchiboso surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Uchiboso sea temperature is
19.3° C
(Which is normal for this time of year)

How big are the waves at Uchiboso today?

The current surf forecast for Uchiboso at 12PM is: 0.8m 9s primary swell from a Southwest direction and 0.4m 7s secondary swell from a South-southeast direction (forecast issued at 08:00am May 05). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (05 May)3.5ft (1.0m)9s
Afternoon (05 May)2.5ft (0.7m)8s
Evening (05 May)1.5ft (0.4m)10s

Table - waves today at Uchiboso. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 23mm), heaviest during Thu morning. Very mild (max 19°C on Thu afternoon, min 16°C on Tue morning). Wind will be generally light.

Tuesday
5
Wednesday
6
Thursday
7
Fri
8
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
Rating
(10 max)
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.4
SW
9
1
SW
9
0.8
SW
9
0.7
SW
8
0.6
SW
8
0.4
SE
10
0.4
SE
10
0.7
SSE
6
0.8
SSE
6
0.9
SSE
6
0.9
SSE
6
0.9
SSE
6
0.9
SSE
6
0.9
SSE
6
1.3
SE
6
0.9
SSE
6
0.9
SSE
7
0.9
SE
7
0.9
SE
7
1.1
SSE
7
1.3
SSE
7
1.2
SSE
7
1.2
S
7
1
S
7
Wave Graph
Metric surfscale
Energy kJ
287
149
107
68
42
24
24
36
38
48
48
57
57
59
124
62
70
65
79
124
158
151
147
97
Wind (km/h)
35
NNE
20
NE
10
SSE
15
SSE
20
SSE
15
S
20
S
15
S
15
SSE
20
SSE
20
S
20
SSE
20
SE
25
SSE
25
SSE
15
SE
10
NE
20
N
25
N
10
N
10
SW
25
SSW
25
SW
30
SW
off
off
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross
cross
cross
cross
off
cross-off
cross-off
cross-off
on
on
on
on
High Tide
5:22AM1.51m
7:41PM1.37m
5:51AM1.46m
8:38PM1.30m
6:24AM1.39m
9:48PM1.25m
Low Tide
12:32PM0.02m
00:33AM0.97m
1:15PM0.10m
1:15AM1.04m
2:04PM0.21m
2:17AM1.08m
cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
mod rain
light rain
part cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:46
4:45
4:43
4:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:29
6:30
6:30
1
1
1
1
8
10
1
Temp °C
14
16
17
16
16
17
17
17
18
18
17
17
17
18
18
18
18
18
17
18
19
18
18
18
5
10
13
12
12
13
13
14
15
15
14
14
15
15
15
18
19
17
14
18
19
15
15
15
Swell 1
Height (m)
Direction
Period (s)
1.4
SW
9
1
SW
9
0.8
SW
9
0.7
SW
8
0.6
SW
8
0.4
SW
8
0.4
SW
8
0.3
SW
8
0.3
ESE
9
0.3
ESE
9
0.2
ESE
9
0.3
ESE
9
0.2
ESE
9
0.2
ESE
9
1
SSE
6
0.9
SSE
6
0.9
SSE
7
0.9
SE
7
0.9
SE
7
1.1
SSE
7
1.3
SSE
7
1.2
SSE
7
1.2
S
7
1
S
7
Energy kJ
287
149
107
68
42
23
21
9
16
16
8
16
8
8
66
62
70
65
79
124
158
151
147
97
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
11
0.5
S
7
0.4
SSE
7
0.4
SSE
7
0.4
SSE
7
0.3
SSE
7
0.3
SSE
7
0.4
SE
10
0.3
SW
7
0.2
WSW
7
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.2
ESE
9
0.2
ESE
10
0.4
SE
10
0.4
SE
10
0.3
SE
11
0.3
SE
11
0.3
SE
10
0.4
SE
10
0.4
SE
10
Energy kJ
11
26
16
15
15
9
9
24
9
5
4
5
5
5
7
11
27
28
19
18
17
28
28
Swell 3
Height (m)
Direction
Period (s)
0.4
ESE
10
0.2
ESE
10
0.2
ESE
10
0.3
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.1
SE
11
0.1
SE
11
0.1
SE
11
0.1
SW
7
0.1
SW
6
0.1
SE
11
0.2
ESE
9
0.1
W
7
0.5
SE
10
0.6
SE
7
Energy kJ
40
10
10
15
25
24
24
5
4
4
2
2
5
8
1
51
32
Wind waves
Height (m)
Direction
Period (s)
0.5
NNE
3
0.4
NNE
3
0.3
SE
2
0.3
SE
3
0.4
SE
3
0.4
SSE
4
0.7
SSE
6
0.8
SSE
6
0.9
SSE
6
0.9
SSE
6
0.9
SSE
6
0.9
SSE
6
0.9
SSE
6
1.3
SE
6
0.6
NE
4
0.7
NE
4
0.2
NNW
3
0.5
NE
4
0.6
SW
4
Energy kJ
5
3
1
1
2
5
36
38
48
48
57
57
59
124
8
16
1
7
12
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
Distance (km)
59
0
23
53
58
58
155
65
58
53
58
58
66
66
58
53
14
14
17
0
17
50
50
50
Best forecast wave conditions in Chiba
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
1
1
1
1
1
1
1
1
1
1
1
2
1
2
2
2
2
2
2
2
2
2
Header Global
Rating
(10 max)
5
4
5
5
5
5
5
5
5
5
6
8
9
6
5
8
8
5
5
6
5
5
5
7
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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