Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 2 pm 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
24.8° C
1.7° 

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 (13 Aug):

  • Afternoon surf: Afternoon surf (13 Aug, local time) - 5ft (1.6m), 10s period with E swell.
  • Evening surf: Evening surf (13 Aug, local time) - 5ft (1.6m), 10s period with E swell.

The current surf forecast for Choshi at 6PM is: 1.6m 10s primary swell from a East direction and 0.2m 10s secondary swell from a South direction (forecast issued at 02:00pm August 13). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Aug)--
Afternoon (13 Aug)5ft (1.6m)10s
Evening (13 Aug)5ft (1.6m)10s

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


Short Range Forecast

Heavy rain (total 54mm), heaviest during Thu afternoon. Warm (max 27°C on Fri morning, min 25°C on Fri night). Wind will be generally light.

Thu
13
Friday
14
Saturday
15
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
1
1
1
0
1
0
0
0
0
0
0
0
0
1
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)
1.5
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.5
E
10
1.5
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.9
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.3
E
10
1.3
E
10
1.2
E
10
1.3
E
10
1.3
E
10
1.3
E
10
Wave Graph
Metric surfscale
Energy kJ
434
524
524
524
524
470
470
410
402
394
710
384
384
384
353
353
290
332
332
332
Wind (km/h)
20
ESE
20
ESE
20
E
20
ESE
15
ESE
15
E
10
ESE
10
E
10
E
15
ESE
20
ESE
15
ESE
15
ESE
15
E
15
ENE
15
E
20
E
20
E
15
ENE
15
ENE
Wind State
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
cross
High Tide
5:23PM1.36m
4:16AM1.53m
5:42PM1.38m
5:03AM1.49m
6:01PM1.39m
Low Tide
10:33AM0.10m
10:36PM0.83m
11:08AM0.18m
11:14PM0.71m
11:40AM0.30m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
cloud
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:28
6:27
 mm
9
9
11
9
7
5
4
2
2
2
2
Temp °C
26
26
26
26
26
26
26
26
27
27
26
26
25
25
25
25
26
26
25
25
Feels °C
27
27
27
27
28
28
28
29
30
29
28
28
27
27
27
26
26
27
26
26
  • 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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