Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 8 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
26.4° C
0.0° 

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 (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 4ft (1.2m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 4ft (1.2m), 9s period with E swell.
  • Evening surf: Evening surf (12 Aug, local time) - 4.5ft (1.3m), 9s period with E swell.

The current surf forecast for Choshi at 5PM is: 1.3m 9s primary swell from a East direction and 0.4m 5s secondary swell from a South-southeast direction, 0.9m 5s secondary swell from a East-southeast direction (forecast issued at 08:00am August 12). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Aug)4ft (1.2m)9s
Afternoon (12 Aug)4ft (1.2m)9s
Evening (12 Aug)4.5ft (1.3m)9s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Fri night. Warm (max 27°C on Thu afternoon, min 23°C on Wed morning). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
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
1
1
2
2
1
0
0
0
0
1
1
2
2
1
0
0
0
2
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)
2.1
ESE
10
1.2
E
9
1.5
E
9
1.2
E
9
1.3
E
9
1.3
E
9
1.3
E
9
1.4
E
9
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.4
E
10
1.9
E
10
Wave Graph
Metric surfscale
Energy kJ
828
256
392
256
287
281
282
341
349
362
384
400
400
400
400
410
402
402
394
394
384
680
Wind (km/h)
35
ESE
25
E
20
ENE
25
NE
20
NNE
10
NE
0
ENE
10
N
10
ENE
15
E
15
E
15
E
15
ENE
10
ENE
10
NE
15
NNE
15
NNE
20
NNE
20
NE
15
ENE
15
E
15
ESE
Wind State
cross-on
cross-on
cross-on
cross
cross-off
cross
glassy
cross-off
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
High Tide
5:03PM1.35m
3:26AM1.52m
5:23PM1.36m
4:16AM1.53m
5:42PM1.38m
Low Tide
9:53AM0.07m
9:57PM0.95m
10:33AM0.10m
10:36PM0.83m
11:08AM0.18m
heavy rain
light rain
cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:52
4:52
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:29
6:28
 mm
27
1
1
1
1
2
1
2
1
1
1
1
1
1
1
3
Temp °C
22
23
25
25
24
25
25
24
25
26
26
27
26
26
25
25
25
26
26
26
26
26
Feels °C
18
22
25
25
25
29
30
27
28
28
28
29
28
29
28
28
27
28
27
28
28
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 

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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