Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Saturday 30 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
19.4° C
(Which is 1.9°C colder than average for this time of year)

How big are the waves at Choshi today (31 May):

  • Morning surf: Morning surf (31 May, local time) - 3ft (0.9m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (31 May, local time) - 2.5ft (0.7m), 10s period with E swell.
  • Evening surf: Evening surf (31 May, local time) - 2.5ft (0.7m), 10s period with E swell.

The current surf forecast for Choshi at 4AM is: 0.9m 10s primary swell from a East-southeast direction and 0.6m 6s secondary swell from a South-southeast direction (forecast issued at 08:00pm May 30). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (31 May)3ft (0.9m)10s
Afternoon (31 May)2.5ft (0.7m)10s
Evening (31 May)2.5ft (0.7m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 24°C on Sun afternoon, min 20°C on Mon night). Winds increasing (light winds from the SE on Mon morning, fresh winds from the SSW by Mon night).

Sat
30
Sunday
31
Monday
1
Tuesday
2
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
1
1
2
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.8
E
11
0.8
E
10
0.7
E
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.7
E
10
0.7
E
10
0.7
ESE
10
0.7
E
10
0.7
E
10
1.1
SSW
6
1.2
SSW
6
0.6
E
10
0.6
E
10
0.9
S
16
0.6
E
10
0.6
E
10
0.6
E
10
0.5
S
13
0.5
S
13
0.5
S
12
0.7
S
12
0.8
S
15
Wave Graph
Metric surfscale
Energy kJ
143
141
104
149
149
149
100
100
106
98
98
77
93
68
68
406
65
68
66
87
85
76
138
272
Wind (km/h)
20
S
15
S
10
SSW
10
S
10
SSW
10
S
15
SSE
15
SSE
15
S
10
S
10
SSW
10
SW
10
WSW
5
SE
15
SSE
25
S
25
SSW
25
SSW
30
SSW
20
SSW
25
SSW
25
SSW
25
SSW
25
SSW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
cross
cross-off
on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
High Tide
4:38PM1.12m
2:44AM1.28m
5:15PM1.14m
3:16AM1.29m
5:52PM1.15m
3:49AM1.29m
Low Tide
9:22PM0.79m
10:04AM-0.01m
10:00PM0.81m
10:38AM-0.02m
10:36PM0.82m
11:11AM-0.01m
clear
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:22
4:22
4:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:45
6:45
6:46
Temp °C
22
22
21
21
22
23
23
24
23
22
22
21
21
24
24
23
22
21
21
20
21
21
22
22
20
23
22
22
23
23
22
23
23
23
22
21
21
24
23
21
19
19
18
19
19
18
19
19
Swell 1
Height (m)
Direction
Period (s)
0.8
E
11
0.8
E
10
0.7
E
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
10
0.7
E
10
0.7
E
10
0.7
ESE
10
0.7
E
10
0.7
E
10
0.7
S
6
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.5
E
10
0.5
E
10
0.5
E
10
0.5
E
10
0.5
E
9
Energy kJ
143
141
104
149
149
149
100
100
106
98
98
31
69
68
68
65
65
68
66
45
44
46
46
44
Swell 2
Height (m)
Direction
Period (s)
0.1
NE
11
0.2
SSW
7
0.6
SSE
6
0.6
SSE
6
0.1
S
16
0.1
S
16
0.4
SE
6
0.4
SE
6
0.4
SSE
12
0.4
SSE
12
0.5
SSE
12
0.6
E
10
0.6
S
6
0.5
S
6
0.4
SSE
11
0.2
ESE
12
0.2
ESE
11
0.4
SSE
10
0.4
S
14
0.5
S
13
0.5
S
13
0.5
S
12
0.3
S
16
0.1
SE
12
Energy kJ
4
5
25
29
5
5
8
8
50
49
78
69
24
16
39
13
12
35
57
87
85
76
43
5
Swell 3
Height (m)
Direction
Period (s)
0.1
N
7
0.2
ENE
11
0.2
ENE
11
0.2
ENE
11
0.1
S
12
0.2
S
16
0.2
S
16
0.3
SSE
14
0.1
SE
12
0.2
ESE
12
0.3
SE
12
0.5
S
11
0.5
S
11
0.4
SSE
11
0.3
S
16
0.4
S
16
0.4
SE
11
0.3
S
14
0.3
SSE
10
0.2
ESE
11
0.2
S
16
0.2
S
17
0.1
SE
11
Energy kJ
1
11
12
12
3
19
19
40
6
15
22
64
63
40
46
76
45
37
20
12
21
22
5
Wind waves
Height (m)
Direction
Period (s)
0.6
SSE
6
0.7
SSE
6
0.2
SSE
2
0.4
SSE
3
0.7
SSW
5
1.1
SSW
6
1.2
SSW
6
0.9
SSW
6
0.5
S
5
0.9
S
16
1
S
4
0.8
S
5
0.7
S
4
0.5
S
4
0.5
S
4
0.5
S
3
0.7
S
12
0.8
S
15
Energy kJ
30
33
1
3
22
77
93
55
14
406
40
27
16
8
7
6
138
272
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
1
2
2
2
2
2
2
2
2
2
2
3
1
1
1
2
2
4
2
Distance (km)
56
52
52
55
52
56
56
56
55
52
52
52
0
55
56
56
207
147
147
135
159
56
266
56
Best forecast wave conditions in Chiba
Rating
(10 max)
1
2
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
3
1
2
2
2
3
3
3
2
3
3
3
4
3
4
4
4
3
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
6
8
7
7
7
7
7
6
5
5
5
5
5
5
5
4
5
5
5
5
5
4
  • 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

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Choshi surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest