Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 8 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
22.9°C
2.8° 

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 Sep):

  • Morning surf: Morning surf (15 Sep, local time) - 4.5ft (1.3m), 14s period with ESE swell.
  • Afternoon surf: Afternoon surf (15 Sep, local time) - 4.5ft (1.4m), 14s period with ESE swell.
  • Evening surf: Evening surf (15 Sep, local time) - 4ft (1.2m), 14s period with ESE swell.

The current surf forecast for Choshi at 2AM is: 1.2m 13s primary swell from a Southeast direction and 0.6m 16s secondary swell from a East direction, 0.9m 9s secondary swell from a Southeast direction (forecast issued at 08:00pm September 14). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (15 Sep)4.5ft (1.3m)14s
Afternoon (15 Sep)4.5ft (1.4m)14s
Evening (15 Sep)4ft (1.2m)14s

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


Short Range Forecast

Heavy rain (total 57mm), heaviest during Tue afternoon. Warm (max 26°C on Mon night, min 20°C on Wed night). Winds increasing (light winds from the N on Tue afternoon, strong winds from the NNE by Thu morning).

Mon
14
Tuesday
15
Wednesday
16
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
1
1
0
1
0
1
4
1
1
1
0
0
0
0
1
0
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
E
12
1
E
14
1
E
15
1.2
SE
13
1.3
ESE
14
1.3
ESE
14
1.3
ESE
14
1.4
ESE
14
1.2
ESE
14
1.2
ESE
14
0.8
E
13
1.1
ESE
13
1
ESE
13
1
ESE
13
0.9
ESE
13
0.9
ESE
12
1.6
ENE
12
0.8
ESE
12
Wave Graph
Metric surfscale
Energy kJ
174
411
428
495
663
678
651
785
577
490
222
444
372
367
277
260
715
195
Wind (km/h)
30
SSW
30
SSW
15
SW
20
SSW
20
SSW
20
SSW
30
SSW
20
SW
10
N
20
NE
20
NNE
25
NNE
25
NNE
25
NE
30
NE
30
NE
30
NE
30
NNE
Wind State
cross-on
cross-on
cross
cross
cross-on
cross
cross
cross
cross-off
cross
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
High Tide
5:21PM1.50m
6:28AM1.33m
5:40PM1.51m
7:12AM1.24m
6:00PM1.49m
Low Tide
00:00AM0.36m
11:54AM0.77m
00:35AM0.36m
12:14PM0.88m
part cloud
cloud
cloud
light rain
thunderstorm
thunderstorm
thunderstorm
heavy rain
heavy rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:44
 mm
1
2
1
2
14
11
1
2
2
2
1
1
1
4
3
Temp °C
26
26
25
23
24
25
24
23
23
22
22
22
22
22
22
22
22
22
Feels °C
27
27
24
23
25
26
23
24
26
22
23
22
21
21
20
20
21
21
  • 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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