Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 8 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
24.9°C
0.9° 

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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 3.5ft (1.0m), 12s period with ESE swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 2.5ft (0.8m), 12s period with E swell.
  • Evening surf: Evening surf (14 Sep, local time) - 3.5ft (1.0m), 14s period with E swell.

The current surf forecast for Choshi at 3AM is: 0.8m 12s primary swell from a East-southeast direction and 0.4m 6s secondary swell from a East-northeast direction, 0.3m 2s secondary swell from a South-southwest direction (forecast issued at 08:00pm September 13). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (14 Sep)3.5ft (1.0m)12s
Afternoon (14 Sep)2.5ft (0.8m)12s
Evening (14 Sep)3.5ft (1.0m)14s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Tue night. Warm (max 27°C on Mon morning, min 22°C on Tue night). Winds decreasing (fresh winds from the SSW on Mon morning, calm by Tue night).

Sun
13
Monday
14
Tuesday
15
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)
2
1
1
1
0
0
0
0
0
0
1
2
1
1
1
3
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
ESE
13
0.8
ESE
12
0.8
ESE
12
0.8
ESE
12
0.9
E
12
1
ESE
12
0.8
E
12
0.8
E
12
0.8
E
12
1
E
14
1.3
ESE
15
1.1
ESE
13
1.2
ESE
14
1.2
ESE
14
1.2
ESE
14
1.2
ESE
14
1.1
ESE
14
1.1
E
14
Wave Graph
Metric surfscale
Energy kJ
222
205
202
198
239
323
177
174
174
411
665
427
534
613
622
622
514
447
Wind (km/h)
5
NE
10
S
15
SSW
15
SSW
20
SSW
25
SSW
30
SSW
30
SSW
25
SSW
25
SSW
20
SW
15
SSW
25
SW
20
SSW
20
SSW
10
W
5
ENE
10
ENE
Wind State
glassy
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-off
cross-on
cross-on
High Tide
5:02PM1.48m
5:46AM1.41m
5:21PM1.50m
6:28AM1.33m
5:40PM1.51m
Low Tide
11:26PM0.40m
11:30AM0.66m
00:00AM0.36m
11:54AM0.77m
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:45
 mm
1
2
3
1
Temp °C
22
23
23
25
25
26
27
27
26
26
26
24
24
25
25
24
23
23
Feels °C
26
26
26
28
26
27
26
26
27
27
26
25
24
26
26
27
27
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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