Choshi Surf Break

Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 8 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
20.1° C

2.5°C colder than average for this time of year

Choshi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Choshi today (21 Jun):

  • Morning surf: Morning surf (21 Jun, local time) - 3ft (0.9m), 10s period with ENE swell.
  • Afternoon surf: Afternoon surf (21 Jun, local time) - 6ft (1.9m), 7s period with SSW swell.
  • Evening surf: Evening surf (21 Jun, local time) - 3.5ft (1.0m), 9s period with E swell.

The current surf forecast for Choshi at 1AM is: 0.9m 10s primary swell from a East-northeast direction and 0.1m 18s secondary swell from a East direction, 1.3m 5s secondary swell from a Southeast direction (forecast issued at 08:00pm June 20). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Jun)3ft (0.9m)10s
Afternoon (21 Jun)6ft (1.9m)7s
Evening (21 Jun)3.5ft (1.0m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 23mm), heaviest during Sat night. Warm (max 26°C on Sun afternoon, min 18°C on Mon night). Winds decreasing (strong winds from the S on Sat night, calm by Mon morning).

Sat
20
Sunday
21
Monday
22
Tuesday
23
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
1
2
0
1
2
2
2
1
0
0
0
0
0
0
0
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
ENE
9
1
E
10
0.9
ENE
10
0.9
ENE
10
0.9
ENE
10
0.9
ENE
10
1.1
E
9
1.9
SSW
7
1.1
E
9
1
E
9
1
E
9
1
E
10
1.3
ENE
10
1.4
ENE
10
1.3
ENE
10
1.2
ENE
10
1.2
ENE
10
1.1
ENE
9
2
NE
6
0.3
SE
11
0.3
SE
11
0.3
SE
11
2.2
ENE
11
2
ENE
11
Wave Graph
Metric surfscale
Energy kJ
141
184
157
157
159
154
202
390
205
166
175
208
345
380
307
258
248
188
277
18
19
20
1082
892
Wind (km/h)
25
SE
25
SE
30
SSE
35
SSE
40
S
35
SSW
30
SW
20
SW
5
NE
20
NE
20
N
15
NNW
5
NW
0
NW
10
SSE
15
SSE
20
E
40
NNE
40
NNE
35
NNE
30
NNE
30
NNE
25
NE
20
NE
Wind State
on
on
on
cross-on
cross-on
cross
cross
cross
glassy
cross
cross-off
off
off
glassy
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
High Tide
8:47PM1.13m
7:42AM1.11m
9:17PM1.14m
9:00AM1.00m
9:48PM1.15m
10:52AM0.92m
Low Tide
2:15AM0.76m
2:34PM0.38m
3:26AM0.68m
3:14PM0.54m
4:47AM0.59m
light rain
light rain
mod rain
light rain
light rain
thunderstorm
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:20
4:20
4:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:54
6:54
6:55
6:55
 mm
1
5
9
5
3
1
Temp °C
22
21
21
22
22
23
25
26
23
21
21
20
20
22
24
23
23
21
18
19
19
19
19
19
Feels °C
21
20
19
19
18
21
24
26
26
20
20
20
21
24
25
23
23
15
12
14
15
15
16
16
Swell 1
Height (m)
Direction
Period (s)
0.9
ENE
9
1
E
10
0.9
ENE
10
0.9
ENE
10
0.9
ENE
10
0.9
ENE
10
1.1
E
9
1.1
E
9
1.1
E
9
1
E
9
1
E
9
1
E
10
1.3
ENE
10
1.4
ENE
10
1.3
ENE
10
1.2
ENE
10
1.2
ENE
10
1.1
ENE
9
0.3
SE
10
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
2
ENE
11
Energy kJ
141
184
157
157
157
154
202
201
205
166
175
208
345
380
307
258
248
188
16
18
19
20
20
892
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
12
0.3
SE
12
0.1
E
18
0.1
E
18
0.1
SE
12
0.2
ESE
11
0.2
ESE
11
1
S
7
0.9
S
8
0.8
S
8
0.6
S
8
0.6
NE
5
0.5
S
9
0.4
SSE
6
0.4
SSE
6
0.6
S
4
0.6
S
5
0.4
SSE
5
0.3
SSE
6
0.2
S
6
0.1
SE
13
0.2
SSW
6
0.4
SSE
11
0.3
SE
11
Energy kJ
6
23
6
6
5
13
12
103
92
74
43
22
41
13
13
14
15
7
8
3
7
4
49
20
Swell 3
Height (m)
Direction
Period (s)
0.1
E
18
0.1
E
18
0.1
E
18
0.1
E
18
0.2
ESE
9
0.2
ESE
9
0.3
SE
11
0.2
ESE
11
0.3
SE
10
0.3
SE
10
0.6
S
9
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.4
NE
10
0.1
S
9
0.1
E
15
0.1
E
15
0.1
S
10
0.2
SSW
6
Energy kJ
7
6
6
6
8
8
19
12
17
17
52
16
16
16
16
16
27
2
4
4
2
4
Wind waves
Height (m)
Direction
Period (s)
0.7
SE
4
1
SE
4
1.2
SE
5
1.4
SE
6
1.5
SSE
6
1.3
SSE
6
0.9
S
6
1.9
SSW
7
0.4
NNE
3
0.8
NE
4
0.7
NE
5
1.1
N
5
0.8
SSW
8
1
S
8
1.1
N
4
2
NE
6
2.5
NE
9
2.5
NE
10
2.4
NE
11
2.2
ENE
11
Energy kJ
20
40
74
123
159
131
61
390
4
21
23
69
85
131
47
277
889
1548
1363
1082
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
1
1
1
1
2
2
1
2
2
2
2
2
2
1
1
1
1
1
1
1
Distance (km)
112
56
207
613
147
264
591
591
0
71
37
0
0
0
56
56
56
112
117
307
350
627
627
112
Best forecast wave conditions in Chiba
Rating
(10 max)
1
2
3
4
4
4
2
2
2
3
2
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
2
3
3
3
3
3
2
3
4
4
4
3
3
3
3
2
1
1
1
1
3
1
Header Global
Rating
(10 max)
5
5
5
5
5
9
9
9
8
8
5
8
7
6
6
6
8
7
5
5
5
5
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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