Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 2 pm 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
23.7°C
0.8° 

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 (20 Oct):

  • Afternoon surf: Afternoon surf (20 Oct, local time) - 5ft (1.6m), 6s period with SSW swell.
  • Evening surf: Evening surf (20 Oct, local time) - 4.5ft (1.4m), 6s period with SSW swell.

The current surf forecast for Choshi at 8PM is: 0.6m 12s primary swell from a Southeast direction and 0.9m 6s secondary swell from a South-southeast direction (forecast issued at 02:00pm October 20). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (20 Oct)--
Afternoon (20 Oct)5ft (1.6m)6s
Evening (20 Oct)4.5ft (1.4m)6s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Tue afternoon. Warm (max 26°C on Tue afternoon, min 15°C on Thu night). Winds increasing (light winds from the NNE on Tue afternoon, near gales from the SW by Wed afternoon).

Tue
20
Wednesday
21
Thursday
22
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
2
1
0
0
0
0
0
0
0
0
0
3
0
0
0
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)
1.1
S
6
1.6
SSW
6
0.6
SE
13
1.4
SSW
6
0.8
SE
12
0.8
SE
12
0.7
SE
12
0.6
SSE
14
1.8
S
7
1.9
S
7
2.2
S
7
2.1
S
8
1.6
S
8
1.7
SSE
15
1.4
SSE
15
1.2
SSE
14
1.1
SSE
14
0.9
SSE
14
0.9
SSE
13
0.7
SSE
13
Wave Graph
Metric surfscale
Energy kJ
86
170
138
135
172
197
132
162
286
378
524
501
291
1223
845
594
465
265
253
178
Wind (km/h)
35
SSW
20
SW
10
NNE
10
SSW
20
SW
30
SW
35
SW
45
SW
50
SSW
50
SSW
55
SW
50
SW
40
SW
15
WSW
40
NE
35
NE
30
NE
30
NE
30
NE
30
NE
Wind State
cross
cross
cross-off
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross
cross
cross
cross
cross
cross
High Tide
1:32PM1.22m
9:55PM1.13m
1:49PM1.27m
00:17AM1.16m
2:05PM1.31m
Low Tide
6:41PM1.09m
6:07AM0.59m
7:24PM0.95m
7:07AM0.59m
7:56PM0.79m
cloud
thunderstorm
rain showers
thunderstorm
thunderstorm
part cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
5:47
—
—
—
—
—
—
—
5:48
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
4:55
—
—
—
—
—
—
—
4:53
—
—
—
—
—
—
—
4:52
—
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 mm
—
2
2
1
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
26
26
22
23
24
24
24
25
26
26
25
25
25
24
18
16
16
16
17
16
Feels °C
23
26
24
26
25
22
21
21
21
21
19
20
21
24
12
10
10
10
10
10
  • 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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