Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 8 am 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
25.3° C
1.2° 

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 (15 Aug):

  • Morning surf: Morning surf (15 Aug, local time) - 4.5ft (1.3m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (15 Aug, local time) - 4ft (1.2m), 10s period with E swell.
  • Evening surf: Evening surf (15 Aug, local time) - 4ft (1.2m), 10s period with E swell.

The current surf forecast for Choshi at 1PM is: 1.3m 10s primary swell from a East direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 08:00am August 15). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (15 Aug)4.5ft (1.3m)10s
Afternoon (15 Aug)4ft (1.2m)10s
Evening (15 Aug)4ft (1.2m)10s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Sat night. Warm (max 26°C on Sat morning, min 24°C on Sat night). Wind will be generally light.

Saturday
15
Sunday
16
Monday
17
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
1
0
0
0
0
1
1
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
Wave
Height (m)
Direction
Period (s)
1.3
E
10
1.3
E
10
1.3
E
10
1.2
E
10
1.2
E
10
1.2
E
10
1.1
E
10
1.1
E
10
1.1
E
10
1.1
E
10
1.1
E
9
1.1
E
9
1.4
E
9
1.4
E
9
1
E
9
1
E
9
0.9
E
9
0.9
E
9
0.9
E
9
0.9
E
9
0.8
E
9
0.8
E
9
Wave Graph
Metric surfscale
Energy kJ
346
353
346
284
284
290
240
235
225
216
207
203
313
306
162
157
127
125
122
119
94
96
Wind (km/h)
15
E
15
E
15
E
15
E
15
E
15
ENE
10
ENE
10
E
15
E
15
E
15
ESE
15
E
15
E
15
E
10
E
10
ENE
10
E
10
E
10
ESE
10
E
10
ESE
10
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
5:03AM1.49m
6:01PM1.39m
5:49AM1.42m
6:20PM1.41m
6:35AM1.32m
6:39PM1.43m
Low Tide
11:40AM0.30m
11:52PM0.62m
12:09PM0.44m
00:31AM0.55m
12:34PM0.58m
clear
part cloud
clear
clear
clear
clear
clear
part cloud
rain showers
rain showers
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
light rain
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:25
6:24
 mm
1
1
1
Temp °C
25
25
26
26
25
25
24
24
25
25
25
25
25
25
25
24
24
25
26
26
25
25
Feels °C
26
26
27
27
27
27
26
26
27
26
26
26
27
27
27
26
26
27
28
28
27
28
  • 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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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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