Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 8 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
25.4°C
0.7° 

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 (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 4.5ft (1.4m), 6s period with NE swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 5ft (1.5m), 6s period with ENE swell.
  • Evening surf: Evening surf (10 Sep, local time) - 4.5ft (1.3m), 7s period with ENE swell.

The current surf forecast for Choshi at 11AM is: 1.4m 6s primary swell from a East-northeast direction and 0.6m 8s secondary swell from a South-southeast direction, 0.3m 15s secondary swell from a East direction (forecast issued at 08:00am September 10). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (10 Sep)4.5ft (1.4m)6s
Afternoon (10 Sep)5ft (1.5m)6s
Evening (10 Sep)4.5ft (1.3m)7s

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


Short Range Forecast

Moderate rain (total 16mm), heaviest on Thu morning. Warm (max 23°C on Sat afternoon, min 20°C on Fri morning). Wind will be generally light.

Thursday
10
Friday
11
Saturday
12
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
0
1
0
1
1
1
0
1
0
2
1
1
1
2
1
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)
1.4
NE
6
1.4
NE
6
1.3
ENE
6
1.5
ENE
6
1.4
ENE
7
1.3
ENE
7
0.5
E
14
0.5
E
14
0.5
E
14
0.5
E
14
0.6
E
14
0.6
E
14
0.6
E
14
0.6
E
14
0.7
E
14
0.7
E
14
0.7
E
14
0.7
E
14
0.7
E
14
0.7
E
14
0.7
E
13
0.7
E
13
Wave Graph
Metric surfscale
Energy kJ
143
147
140
186
171
149
102
97
102
103
146
146
144
144
195
195
192
187
187
179
173
176
Wind (km/h)
35
NNE
25
NE
25
NE
25
NE
25
NE
25
NE
20
NNE
15
NNE
15
NE
15
NNE
10
NNE
25
N
25
NNE
15
NE
15
NNE
20
NNE
20
NE
20
NNE
15
NNE
15
NE
20
NE
20
NE
Wind State
cross-off
cross-off
cross
cross
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
High Tide
4:11PM1.38m
3:33AM1.50m
4:28PM1.42m
4:19AM1.51m
4:45PM1.45m
Low Tide
9:32AM0.28m
9:44PM0.75m
10:06AM0.34m
10:18PM0.61m
10:37AM0.43m
light rain
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
cloud
light rain
light rain
light rain
light rain
light rain
cloud
cloud
light rain
light rain
cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:15
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:52
5:51
5:49
 mm
2
3
2
1
1
1
2
3
1
1
1
Temp °C
20
21
21
21
21
21
21
21
21
20
21
20
20
21
21
21
21
21
22
22
23
23
Feels °C
17
19
19
18
19
20
20
20
21
20
22
19
19
21
22
21
21
21
23
23
24
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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