Choshi Surf Break

Choshi 48 hour detailed Surf Forecast

Lat Long: 35.71° N 140.80° E

Issued: 8 pm 19 Jun 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
20.4° C

2.1°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 (20 Jun):

  • Morning surf: Morning surf (20 Jun, local time) - 3ft (0.9m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (20 Jun, local time) - 3ft (0.9m), 8s period with ENE swell.
  • Evening surf: Evening surf (20 Jun, local time) - 3.5ft (1.0m), 10s period with E swell.

The current surf forecast for Choshi at 4AM is: 0.9m 9s primary swell from a East direction and 0.3m 10s secondary swell from a Southeast direction, 0.3m 3s secondary swell from a East direction (forecast issued at 08:00pm June 19). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Jun)3ft (0.9m)9s
Afternoon (20 Jun)3ft (0.9m)8s
Evening (20 Jun)3.5ft (1.0m)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 28mm), heaviest during Sat night. Warm (max 24°C on Sun afternoon, min 20°C on Sat night). Winds decreasing (strong winds from the SSW on Sun morning, light winds from the WNW by Mon morning).

Fri
19
Saturday
20
Sunday
21
Monday
22
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
1
0
0
0
0
0
3
1
2
2
2
2
2
1
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)
0.8
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.9
ENE
9
0.9
ENE
9
0.9
ENE
8
0.9
ENE
8
1
E
9
1
E
10
1
E
10
1
E
10
1
E
10
0.9
ENE
10
1.8
S
7
1.8
SSW
7
1.5
E
9
1.5
E
10
1.5
E
10
1.4
E
10
1.3
E
10
1.3
ENE
10
1.2
ENE
10
1.2
ENE
10
Wave Graph
Metric surfscale
Energy kJ
90
88
88
91
123
123
120
120
173
184
188
196
196
160
303
327
397
407
417
371
326
342
294
288
Wind (km/h)
20
ESE
15
E
15
E
20
E
15
E
20
ESE
20
ESE
20
SE
15
S
15
SW
20
SSE
25
SSE
35
S
40
SSW
30
SW
10
WSW
20
NNE
10
NNE
10
N
10
NNW
10
NW
5
WNW
5
SE
15
SSE
Wind State
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross
cross-on
on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
on
on
High Tide
8:15PM1.15m
6:40AM1.23m
8:47PM1.13m
7:42AM1.11m
9:17PM1.14m
9:00AM1.00m
Low Tide
1:15AM0.82m
1:52PM0.22m
2:15AM0.76m
2:34PM0.38m
3:26AM0.68m
part cloud
part cloud
cloud
part cloud
light rain
cloud
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
thunderstorm
thunderstorm
cloud
part cloud
part cloud
part cloud
clear
part 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
6:54
6:55
 mm
1
1
1
1
2
4
5
8
4
1
Temp °C
22
22
22
21
21
22
22
22
22
20
20
21
21
23
23
24
21
21
21
20
20
23
24
24
Feels °C
22
23
23
21
21
22
22
22
23
21
19
20
18
20
23
27
21
22
23
20
20
25
26
24
Swell 1
Height (m)
Direction
Period (s)
0.8
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.9
ENE
9
0.9
ENE
9
0.9
ENE
8
0.9
ENE
8
1
E
9
1
E
10
1
E
10
1
E
10
1
E
10
0.9
ENE
10
1.2
SSE
7
1.2
E
10
1.5
E
9
1.5
E
10
1.5
E
10
1.4
E
10
1.3
E
10
1.3
ENE
10
1.2
ENE
10
1.2
ENE
10
Energy kJ
90
88
88
91
123
123
120
120
173
184
188
196
196
160
132
262
397
407
417
371
326
342
294
288
Swell 2
Height (m)
Direction
Period (s)
0.2
SSE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SSE
5
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
9
0.1
E
18
0.1
E
18
0.2
ESE
11
1.1
E
10
0.9
SSE
7
0.4
S
7
0.4
S
8
0.5
S
8
0.5
S
7
0.5
S
7
0.5
S
8
0.5
S
8
0.1
E
16
Energy kJ
10
15
15
15
5
15
15
15
15
14
14
6
6
13
230
82
16
20
29
27
25
33
34
5
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
14
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.3
SE
10
0.2
S
5
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.2
SSW
7
0.2
ESE
9
0.2
ESE
11
0.1
SE
11
0.2
ESE
11
0.3
SE
11
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.7
NE
10
Energy kJ
7
7
7
7
15
2
6
6
6
6
6
5
8
13
5
12
18
17
17
16
16
16
104
Wind waves
Height (m)
Direction
Period (s)
0.3
ESE
3
0.6
SSE
6
0.3
E
3
0.4
ESE
4
0.5
SE
4
0.6
SE
4
0.6
SSE
4
0.5
SSE
4
0.5
SSE
4
0.9
SSE
4
1.3
SSE
5
1.4
SSE
6
1.8
S
7
1.8
SSW
7
0.4
NNW
3
0.5
N
3
0.7
SSE
10
Energy kJ
1
27
1
5
7
11
12
11
11
35
90
145
303
327
2
6
102
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
1
1
2
2
3
3
2
2
2
2
2
2
2
Distance (km)
56
56
52
52
266
56
56
55
52
52
613
257
135
112
37
0
52
0
0
0
0
0
55
56
Best forecast wave conditions in Chiba
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
3
3
3
4
3
4
4
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
1
3
3
2
3
3
3
4
3
4
4
2
3
Header Global
Rating
(10 max)
6
4
4
4
4
4
5
5
5
5
5
5
8
9
9
9
8
7
7
7
7
6
6
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
How to use the Wavefinder 

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