Uchiboso surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 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 8AM is: 1.0m 9s primary swell from a Southwest direction and 0.5m 7s secondary swell from a South direction (forecast issued at 02:00am May 05). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (05 May)3.5ft (1.0m)9s
Afternoon (05 May)2ft (0.6m)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

Moderate rain (total 15mm), heaviest on Thu morning. Very mild (max 19°C on Thu afternoon, min 15°C on Tue morning). Wind will be generally light.

Tuesday
5
Wednesday
6
Thursday
7
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
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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>
Wave
Height (m)
Direction
Period (s)
2.4
SW
9
1.9
SW
9
1.4
SW
9
1
SW
9
0.8
SW
9
0.6
SW
8
0.6
SW
8
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.7
SSE
6
0.7
SSE
6
0.7
SSE
6
0.7
SSE
6
0.7
SSE
6
0.7
SSE
6
0.7
SSE
6
0.8
SSE
6
0.7
SSE
6
0.7
SE
7
1.1
SE
7
1.3
SSE
7
0.9
SSE
6
1.3
SSE
7
Wave Graph
Metric surfscale
Energy kJ
931
550
287
149
107
57
42
24
24
24
33
34
34
33
33
33
33
37
35
46
97
134
66
149
Wind (km/h)
25
NNE
45
NNE
35
NNE
15
NE
10
SSE
15
SSE
15
SSE
15
S
20
SSE
15
S
15
SSE
20
SSE
20
SSE
15
SSE
20
SSE
20
SE
20
SSE
10
SSW
0
SSE
10
NNE
25
N
10
NW
10
SW
15
SW
off
cross-off
off
off
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
glassy
cross-off
cross-off
cross
on
on
High Tide
5:22AM1.51m
7:41PM1.37m
5:51AM1.46m
8:38PM1.30m
6:24AM1.39m
Low Tide
11:59PM0.90m
12:32PM0.02m
00:33AM0.97m
1:15PM0.10m
1:15AM1.04m
2:04PM0.21m
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:46
4:45
4:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:29
6:30
1
1
4
2
5
2
Temp °C
17
14
14
15
16
16
16
17
17
17
18
18
18
18
18
18
18
18
18
18
18
19
19
18
11
4
5
10
12
12
12
13
14
14
15
14
15
16
16
16
16
19
21
19
16
20
20
17
Swell 1
Height (m)
Direction
Period (s)
2.4
SW
9
1.9
SW
9
1.4
SW
9
1
SW
9
0.8
SW
9
0.6
SW
8
0.6
SW
8
0.4
SW
8
0.4
SW
8
0.4
SSE
6
0.3
ESE
9
0.3
ESE
9
0.3
ESE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.7
SSE
6
0.8
SSE
6
0.7
SSE
6
0.7
SE
7
0.7
SE
7
0.7
SE
7
0.9
SSE
6
1.3
SSE
7
Energy kJ
931
550
287
149
107
57
42
23
21
12
16
16
16
20
20
20
33
37
35
46
46
47
66
149
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
10
0.2
ESE
10
0.2
ESE
11
0.5
S
7
0.4
SSE
7
0.4
SSE
7
0.3
SSE
7
0.3
SSE
7
0.4
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
0.4
SE
9
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.3
SE
11
Energy kJ
11
11
11
26
16
15
9
9
15
24
9
5
4
5
5
5
20
25
27
28
28
27
28
18
Swell 3
Height (m)
Direction
Period (s)
0.4
ESE
10
0.4
ESE
10
0.2
ESE
10
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.3
SW
8
0.1
SE
11
0.1
SE
11
0.1
SW
7
0.1
SW
6
0.1
SW
6
0.1
W
6
0.1
SE
11
0.1
W
7
0.1
W
7
Energy kJ
41
40
10
16
15
25
24
24
9
4
4
2
2
2
1
5
1
1
Wind waves
Height (m)
Direction
Period (s)
0.5
NE
3
0.5
NE
3
0.3
NE
3
0.6
ENE
8
0.4
SE
3
0.4
SE
3
0.4
SE
3
0.4
SSE
4
0.5
SSE
4
0.7
SSE
6
0.7
SSE
6
0.7
SSE
6
0.7
SSE
6
0.7
SSE
6
0.7
SSE
6
1.1
SE
7
1.3
SSE
7
Energy kJ
4
5
2
49
2
3
3
5
10
33
34
34
33
33
33
97
134
Nearest Offshore or Glassy
Rating
(10 max)
5
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
Distance (km)
14
59
59
0
14
14
58
58
58
58
58
58
58
58
155
58
58
23
14
14
27
17
17
17
Best forecast wave conditions in Chiba
Rating
(10 max)
5
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
Best forecast wave conditions in Japan
Rating
(10 max)
5
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
2
2
3
Header Global
Rating
(10 max)
4
4
5
4
5
5
5
5
5
5
5
5
6
5
5
5
5
5
9
5
5
6
5
5
  • 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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