Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 8 am 20 Sep 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
22.3°C
2.9° 

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 (20 Sep):

  • Morning surf: Morning surf (20 Sep, local time) - 7ft (2.1m), 12s period with ESE swell.
  • Afternoon surf: Afternoon surf (20 Sep, local time) - 7ft (2.1m), 11s period with SE swell.
  • Evening surf: Evening surf (20 Sep, local time) - 7ft (2.2m), 11s period with SE swell.

The current surf forecast for Choshi at 2PM is: 2.1m 11s primary swell from a Southeast direction and 0.3m 13s secondary swell from a East direction (forecast issued at 08:00am September 20). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (20 Sep)7ft (2.1m)12s
Afternoon (20 Sep)7ft (2.1m)11s
Evening (20 Sep)7ft (2.2m)11s

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


Short Range Forecast

Heavy rain (total 144mm), heaviest during Sun morning. Warm (max 27°C on Mon morning, min 22°C on Sun morning). Winds increasing (light winds from the ESE on Sun night, gales from the ENE by Mon night).

Sunday
20
Monday
21
Tuesday
22
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)
2
2
2
0
2
3
2
2
!
1
0
0
0
0
0
0
0
3
3
0
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)
2.2
ESE
12
2.1
ESE
12
2
SE
11
2.1
SE
11
2.2
SE
11
2.2
SE
11
1.7
SSE
11
2.3
SE
12
3.5
SSE
12
2.5
SE
12
2.5
SE
12
4
SSE
12
3
SE
12
3.5
SE
13
4
SE
15
4
SE
16
3.5
SE
14
1.9
SE
11
1.7
SSE
10
1.4
SSE
10
1.3
SSE
9
1.2
SSE
9
Wave Graph
Metric surfscale
Energy kJ
1338
1194
984
1087
1148
1130
766
1380
3068
2034
2195
4348
2757
3984
6949
7602
4832
894
543
349
255
207
Wind (km/h)
20
NE
25
NNE
25
NE
20
ENE
20
ENE
20
NNE
20
NE
20
NE
10
ESE
20
SE
25
SE
25
SE
35
SE
40
ESE
55
ESE
75
ENE
75
NW
30
WNW
10
WSW
10
E
20
ENE
35
NNE
Wind State
cross
cross-off
cross-off
cross-on
cross
cross-off
cross
cross
cross-on
on
on
on
on
on
on
cross-on
off
off
cross-off
cross-on
cross
cross-off
High Tide
7:53PM1.25m
3:00PM1.24m
10:29PM1.19m
3:02PM1.29m
Low Tide
4:17AM0.58m
6:09AM0.58m
7:22PM1.16m
7:19AM0.52m
8:01PM1.06m
light rain
heavy rain
heavy rain
mod rain
light rain
light rain
light rain
light rain
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
heavy rain
heavy rain
rain showers
cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:36
5:35
 mm
4
12
29
9
4
3
1
3
5
7
4
3
5
10
8
28
12
1
Temp °C
23
22
22
24
24
24
24
24
25
26
27
27
26
27
26
26
24
25
26
26
25
24
Feels °C
25
22
21
25
26
26
25
26
29
28
28
29
26
25
22
18
15
23
29
28
25
20
  • 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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