Choshi Surf Break

Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 8 pm 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
19.4° C

3.0°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):

  • Evening surf: Evening surf (17 Jun, local time) - 3ft (0.9m), 10s period with ENE swell.

The current surf forecast for Choshi at 11PM is: 0.8m 10s primary swell from a East-northeast direction and 0.1m 17s secondary swell from a Southeast direction, 0.6m 4s secondary swell from a South-southeast direction (forecast issued at 08:00pm June 17). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Jun)--
Afternoon (17 Jun)--
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

Heavy rain (total 25mm), heaviest during Wed night. Warm (max 22°C on Fri morning, min 19°C on Thu night). Mainly fresh winds.

Wed
17
Thursday
18
Friday
19
Saturday
20
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
0
0
0
0
0
0
0
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)
0.9
ENE
10
0.9
ENE
10
0.8
ENE
10
1
E
10
1.2
ESE
10
0.7
E
10
1.6
S
7
1.4
SE
7
1.3
SE
7
1.1
SE
7
0.8
ESE
6
0.8
ESE
8
0.7
ESE
8
0.5
E
9
0.5
E
9
0.7
E
9
0.7
E
9
0.7
E
8
0.6
E
8
0.7
E
8
1
ENE
8
1
ENE
8
1
E
9
1.1
E
9
Wave Graph
Metric surfscale
Energy kJ
157
154
120
188
276
88
247
193
176
115
51
64
50
43
41
74
71
69
50
69
151
154
158
185
Wind (km/h)
20
SSE
20
S
15
SSE
20
ESE
20
E
10
SSE
20
ENE
30
NNW
35
N
20
NNW
20
N
10
NNE
10
NE
10
NE
15
E
15
ESE
15
E
15
ENE
15
NE
15
NE
20
ENE
15
E
15
ESE
15
ESE
Wind State
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
on
High Tide
7:04PM1.21m
4:54AM1.38m
7:41PM1.18m
5:45AM1.32m
8:15PM1.15m
6:40AM1.23m
Low Tide
11:36PM0.93m
12:26PM-0.06m
00:23AM0.88m
1:10PM0.07m
1:15AM0.82m
1:52PM0.22m
clear
cloud
cloud
light rain
heavy rain
mod rain
light rain
light rain
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
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>
6:53
6:54
6:54
6:54
 mm
5
12
6
1
1
Temp °C
21
21
21
20
20
21
21
21
20
19
20
19
20
21
22
22
22
21
20
20
20
21
21
22
Feels °C
20
20
21
20
20
23
22
19
16
18
20
20
22
22
23
22
22
21
20
20
19
21
21
22
Swell 1
Height (m)
Direction
Period (s)
0.9
ENE
10
0.9
ENE
10
0.8
ENE
10
0.1
SE
10
0.2
SSE
10
0.9
ESE
5
0.9
SSE
7
1.4
SE
7
1.3
SE
7
1.1
SE
7
0.8
ESE
6
0.8
ESE
8
0.7
ESE
8
0.6
ESE
7
0.6
ESE
6
0.7
E
9
0.7
E
9
0.7
E
8
0.6
E
8
0.7
E
8
0.3
SE
10
0.3
SE
10
1
E
9
1.1
E
9
Energy kJ
157
154
120
4
10
40
73
193
176
115
51
64
50
43
26
74
71
69
50
69
15
15
158
185
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
18
0.1
SE
17
0.1
SE
16
0.1
SE
16
0.1
SE
16
0.7
E
10
0.7
E
9
0.6
E
9
0.6
E
9
0.6
E
9
0.6
S
7
0.6
NNE
5
0.5
E
9
0.5
E
9
0.5
E
9
0.4
SSE
6
0.4
SSE
6
0.3
SSE
6
0.3
SSE
6
0.3
SE
10
0.1
SE
13
0.1
SE
13
0.3
SE
10
0.3
SE
10
Energy kJ
12
12
11
10
10
88
87
64
64
64
40
14
42
42
41
13
12
6
6
15
7
7
15
15
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
18
0.1
SE
10
0.1
SE
10
0.1
SE
16
0.1
E
12
0.5
S
6
0.6
E
5
0.4
SE
9
0.1
SE
15
0.3
SE
10
0.5
E
9
0.5
S
7
0.5
S
7
0.4
S
7
0.3
S
7
0.3
NE
4
0.2
SSE
10
0.3
SE
10
0.3
SE
10
0.1
SE
13
0.4
SE
10
0.1
S
8
0.1
SE
13
0.1
SE
12
Energy kJ
12
4
4
10
3
18
21
30
9
15
44
28
26
16
9
3
10
16
15
7
25
1
6
6
Wind waves
Height (m)
Direction
Period (s)
0.7
SSE
4
0.6
SSE
4
0.6
SSE
4
1
E
10
1.2
ESE
10
1
SSW
6
1.6
S
7
0.5
N
3
0.9
NNE
4
0.7
NNE
5
0.7
N
4
0.5
NNE
4
0.4
NNE
4
0.3
NE
4
0.4
NE
3
0.6
NE
4
1
ENE
8
1
ENE
8
0.4
SE
6
0.6
SE
4
Energy kJ
14
14
12
188
276
80
247
5
31
19
20
11
7
3
3
8
151
154
10
16
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
2
2
3
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
56
56
56
62
57
71
37
128
37
37
37
0
71
112
56
56
170
125
125
117
266
307
307
115
Best forecast wave conditions in Chiba
Rating
(10 max)
2
1
1
2
3
2
4
2
2
2
2
1
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
2
2
2
3
2
4
2
2
2
2
3
2
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
4
4
4
5
5
9
9
9
6
5
5
6
5
6
6
6
7
4
4
7
4
4
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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