Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 8 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
25.0° C
1.4° 

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 (10 Aug):

  • Morning surf: Morning surf (10 Aug, local time) - 6ft (1.8m), 12s period with E swell.
  • Afternoon surf: Afternoon surf (10 Aug, local time) - 7ft (2.1m), 11s period with ENE swell.
  • Evening surf: Evening surf (10 Aug, local time) - 7ft (2.2m), 11s period with ENE swell.

The current surf forecast for Choshi at 2AM is: 1.8m 12s primary swell from a East direction and 0.4m 11s secondary swell from a South direction (forecast issued at 08:00pm August 09). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (10 Aug)6ft (1.8m)12s
Afternoon (10 Aug)7ft (2.1m)11s
Evening (10 Aug)7ft (2.2m)11s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Tue afternoon. Warm (max 26°C on Tue morning, min 21°C on Tue afternoon). Winds decreasing (strong winds from the N on Mon night, light winds from the E by Wed morning).

Sun
9
Monday
10
Tuesday
11
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)
1
3
2
2
2
2
2
1
2
1
1
1
1
1
1
2
3
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.6
E
13
1.6
E
12
1.7
E
13
1.9
E
12
1.8
E
12
1.8
E
12
2
E
12
2.1
ENE
11
2.1
ENE
11
2.2
ENE
11
2.2
ENE
10
2.3
ENE
10
2.2
ENE
10
1.6
E
12
1.6
E
12
1.8
E
12
2.5
ENE
12
2.4
ENE
12
Wave Graph
Metric surfscale
Energy kJ
835
784
903
1109
942
918
1136
1064
1016
1042
922
941
906
690
714
977
1815
1605
Wind (km/h)
20
NE
15
NNE
20
NNE
30
NNE
30
NNE
30
NNE
35
NNE
35
NNE
35
NNE
35
NNE
40
NNE
40
N
30
N
25
NNW
30
NNW
20
WNW
15
WSW
20
S
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
High Tide
4:21PM1.26m
11:41PM1.36m
4:25PM1.31m
1:20AM1.41m
4:43PM1.34m
Low Tide
7:02PM1.24m
8:16AM0.15m
8:30PM1.17m
9:08AM0.09m
part cloud
cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
mod rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:50
4:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:34
6:32
6:31
 mm
3
10
Temp °C
25
25
24
23
23
24
25
24
24
23
23
22
23
25
26
22
21
24
Feels °C
26
27
25
22
21
22
23
21
21
20
19
17
20
22
23
21
21
24
  • 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 

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.


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