Choshi Surf Break

Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 2 am 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
19.6° C

2.8°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 (17 Jun):

  • Morning surf: Morning surf (17 Jun, local time) - 3.5ft (1.1m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (17 Jun, local time) - 3.5ft (1.0m), 10s period with E swell.
  • Evening surf: Evening surf (17 Jun, local time) - 3ft (0.9m), 10s period with ENE swell.

The current surf forecast for Choshi at 8AM is: 1.1m 9s primary swell from a East direction and 0.1m 18s secondary swell from a Southeast direction, 0.2m 3s secondary swell from a South direction (forecast issued at 02:00am June 17). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Jun)3.5ft (1.1m)9s
Afternoon (17 Jun)3.5ft (1.0m)10s
Evening (17 Jun)3ft (0.9m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Wed night. Warm (max 23°C on Fri afternoon, min 20°C on Wed night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
1
0
0
0
0
0
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)
1.1
E
8
1.1
E
8
1
E
9
1.1
E
9
1
E
10
1
E
10
0.9
ENE
10
0.9
ENE
10
0.8
ENE
10
0.8
ENE
10
1.1
ESE
10
0.7
ENE
10
0.7
E
9
0.9
SE
7
0.9
SE
7
0.9
SE
7
0.6
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.8
ESE
9
Wave Graph
Metric surfscale
Energy kJ
167
167
150
202
196
196
157
154
120
123
235
94
85
85
77
65
63
43
42
41
41
40
39
96
Wind (km/h)
10
S
15
SSW
15
SSW
15
S
20
S
25
S
20
SSW
15
S
15
S
15
SE
15
E
15
NE
15
NNE
15
NNE
10
NE
5
ENE
10
NNE
10
NNE
10
NNE
10
NE
10
E
15
SSE
15
SSE
10
SSE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross
cross-on
on
cross-on
on
High Tide
4:04AM1.41m
7:04PM1.21m
4:54AM1.38m
7:41PM1.18m
5:45AM1.32m
8:15PM1.15m
Low Tide
10:52PM0.96m
11:40AM-0.15m
11:36PM0.93m
12:26PM-0.06m
00:23AM0.88m
1:10PM0.07m
cloud
cloud
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<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>
6:53
6:54
6:54
 mm
1
2
Temp °C
21
21
21
21
22
22
21
21
21
20
20
21
22
22
21
21
20
20
20
22
22
23
23
23
Feels °C
21
21
21
20
21
21
20
21
22
20
20
22
22
22
22
23
21
21
21
24
23
24
24
25
Swell 1
Height (m)
Direction
Period (s)
1.1
E
8
1.1
E
8
1
E
9
1.1
E
9
1
E
10
1
E
10
0.9
ENE
10
0.9
ENE
10
0.8
ENE
10
0.8
ENE
10
0.2
SSE
10
0.8
ESE
5
0.7
E
5
0.9
SE
7
0.9
SE
7
0.9
SE
7
0.6
SE
6
0.6
ESE
6
0.7
SE
6
0.6
NE
5
0.5
E
9
0.5
E
9
0.5
E
9
0.8
ESE
9
Energy kJ
167
167
150
202
196
196
157
154
120
123
10
30
27
63
77
65
30
24
40
16
41
40
39
96
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
20
0.1
SE
19
0.2
SSE
6
0.1
SE
18
0.1
SE
18
0.1
SE
18
0.1
SE
18
0.1
SE
17
0.5
SSE
4
0.1
SE
10
0.1
SE
16
0.7
ENE
10
0.7
E
9
0.7
E
9
0.6
E
10
0.6
E
9
0.6
E
9
0.5
E
9
0.6
NE
5
0.5
E
9
0.5
NE
5
0.4
NE
5
0.4
NE
5
0.3
NE
5
Energy kJ
15
15
4
13
12
12
12
12
10
4
10
94
85
85
65
64
63
43
15
41
12
8
6
3
Swell 3
Height (m)
Direction
Period (s)
0.1
E
13
0.3
SSW
7
0.1
SE
18
0.2
SSW
7
0.2
SSW
7
0.2
ESE
12
0.1
SE
18
0.1
SE
10
0.1
SE
16
0.1
SE
16
0.1
E
12
0.5
S
7
0.5
S
7
0.3
SE
9
0.4
SE
9
0.3
SE
9
0.5
S
7
0.5
S
7
0.5
E
9
0.5
S
7
0.5
SE
6
0.3
SE
10
0.3
SE
10
0.3
SE
10
Energy kJ
3
9
13
5
4
14
12
4
11
10
3
22
22
13
21
13
24
22
42
23
18
16
16
15
Wind waves
Height (m)
Direction
Period (s)
0.2
S
3
0.4
SSE
6
0.5
SSE
3
0.6
SSE
4
0.6
SSE
4
0.6
SSE
4
1.1
ESE
10
0.4
NNE
4
0.4
NE
4
0.5
NE
4
0.6
NE
5
0.8
NNE
5
0.6
SE
6
0.7
SSE
6
0.4
SSE
6
Energy kJ
1
14
7
11
13
12
235
5
5
9
18
27
29
30
12
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
2
2
2
1
1
1
2
1
2
1
2
1
1
1
1
1
1
1
1
1
Distance (km)
55
55
52
56
56
56
56
55
56
56
71
57
71
0
56
71
0
0
0
71
56
55
55
55
Best forecast wave conditions in Chiba
Rating
(10 max)
2
1
1
1
2
2
2
1
1
1
2
2
2
2
2
2
2
2
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
Header Global
Rating
(10 max)
4
4
4
5
5
8
8
5
4
4
4
6
5
9
7
6
5
5
6
5
6
6
6
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
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