Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Tuesday 05 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Choshi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Choshi sea temperature is
17.2° C
(Which is 2.1°C colder than average for this time of year)

How big are the waves at Choshi today?

The current surf forecast for Choshi at 11PM is: 0.4m 10s primary swell from a East-southeast direction and 0.8m 4s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 05). An open ocean swell of 0.1m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (05 May)--
Afternoon (05 May)--
Evening (05 May)1.5ft (0.4m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 17mm), heaviest on Thu morning. Warm (max 22°C on Fri morning, min 16°C on Tue night). Winds increasing (calm on Thu afternoon, fresh winds from the SSW by Fri afternoon).

Tue
5
Wednesday
6
Thursday
7
Friday
8
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
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
1
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>
Wave
Height (m)
Direction
Period (s)
0.7
SE
10
0.4
ESE
10
0.4
ESE
10
0.5
SE
10
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.8
SSE
5
0.8
SSE
5
0.8
SSE
5
0.9
SE
5
0.9
SE
6
0.9
SE
6
0.8
SE
6
0.8
SE
6
0.8
SE
7
1
SE
7
1.5
S
7
0.9
SSE
7
0.9
SSE
7
0.7
ESE
10
1.2
S
7
1.3
SSW
7
1.2
S
7
Wave Graph
Metric surfscale
Energy kJ
90
36
36
44
35
34
34
33
33
33
39
54
58
49
42
61
91
210
75
80
90
138
171
131
Wind (km/h)
25
SSE
25
SSE
25
S
20
S
20
S
25
S
20
S
25
S
20
S
20
SSE
20
S
15
WSW
5
WSW
10
NNE
15
N
5
NNE
0
NE
10
SW
10
WSW
10
SW
15
WSW
15
SSW
35
SSW
35
SSW
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross
cross-off
cross
cross-off
cross
cross
cross
High Tide
7:09PM1.06m
5:08AM1.23m
7:53PM1.02m
5:39AM1.20m
8:46PM0.98m
6:13AM1.15m
Low Tide
11:51PM0.78m
12:32PM0.05m
00:23AM0.82m
1:12PM0.11m
00:59AM0.85m
1:59PM0.18m
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
light rain
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:39
4:39
4:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:24
6:25
6:27
6:28
2
1
2
4
7
1
Temp °C
15
16
16
16
17
17
18
18
17
18
18
17
17
16
17
17
18
18
18
17
17
19
22
22
9
11
11
12
13
13
15
14
14
16
17
17
18
16
16
18
20
19
19
17
16
17
18
17
Swell 1
Height (m)
Direction
Period (s)
0.2
NNE
4
0.4
ESE
10
0.4
ESE
10
0.5
SE
10
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
9
0.4
ESE
10
0.9
SE
6
0.9
SE
6
0.8
SE
6
0.8
SE
6
0.8
SE
7
1
SE
7
0.9
SSE
7
0.9
SSE
7
0.9
SSE
7
0.9
SSE
7
0.8
ESE
10
0.8
S
7
0.6
ESE
10
Energy kJ
1
36
36
44
35
34
34
33
28
33
31
54
58
49
42
61
91
81
75
66
68
116
61
83
Swell 2
Height (m)
Direction
Period (s)
0.1
NE
4
0.1
NE
5
0.1
NE
5
0.1
NE
5
0.1
NE
7
0.1
NE
6
0.1
NE
6
0.1
NE
6
0.1
NE
8
0.1
NE
8
0.3
ESE
10
0.3
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.5
ESE
10
0.6
ESE
10
0.7
ESE
10
0.7
S
7
0.7
ESE
10
0.1
E
11
Energy kJ
1
1
1
1
2
2
1
1
3
2
20
20
34
40
40
40
40
58
80
90
47
92
2
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
8
0.1
NE
11
0.1
NE
10
0.1
NE
9
0.1
N
9
0.1
NE
7
0.1
NE
7
0.1
E
12
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
11
0.1
E
12
0.1
E
12
0.1
E
11
0.1
E
11
0.1
E
11
Energy kJ
6
5
4
3
2
2
2
3
2
2
2
2
3
3
3
2
2
Wind waves
Height (m)
Direction
Period (s)
0.7
SE
10
0.8
SSE
4
0.9
SSE
4
0.7
SSE
4
0.7
SSE
4
0.7
SSE
4
0.7
SSE
5
0.8
SSE
5
0.8
SSE
5
0.8
SSE
5
0.9
SE
5
0.1
N
6
1.5
S
7
1.2
S
7
1.3
SSW
7
1.2
S
7
Energy kJ
90
16
24
17
18
17
20
33
33
33
39
1
210
138
171
131
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
3
1
1
2
2
Distance (km)
627
56
56
56
55
56
56
170
203
56
52
0
0
0
0
0
0
52
0
52
0
135
350
591
Best forecast wave conditions in Chiba
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
2
3
3
2
3
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
2
1
1
2
2
3
3
2
3
2
2
2
2
Header Global
Rating
(10 max)
5
5
5
4
5
5
6
5
5
9
7
7
6
5
6
6
5
5
5
6
5
6
5
6
  • 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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