Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 2 am 25 Sep 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
22.5°C
2.5° 

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 (25 Sep):

  • Morning surf: Morning surf (25 Sep, local time) - 2.5ft (0.7m), 5s period with ENE swell.
  • Afternoon surf: Afternoon surf (25 Sep, local time) - 2ft (0.6m), 5s period with ENE swell.
  • Evening surf: Evening surf (25 Sep, local time) - 1ft (0.3m), 10s period with E swell.

The current surf forecast for Choshi at 7AM is: 0.9m 5s primary swell from a Northeast direction and 0.7m 5s secondary swell from a East-northeast direction (forecast issued at 02:00am September 25). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (25 Sep)2.5ft (0.7m)5s
Afternoon (25 Sep)2ft (0.6m)5s
Evening (25 Sep)1ft (0.3m)10s

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


Short Range Forecast

Heavy rain (total 37mm), heaviest during Sat morning. Warm (max 24°C on Fri night, min 19°C on Sat morning). Winds increasing (calm on Fri night, fresh winds from the SW by Sun night).

Friday
25
Saturday
26
Sunday
27
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
1
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
ENE
8
0.8
ENE
8
0.9
NE
5
0.7
ENE
5
0.6
ENE
5
0.6
ENE
5
0.5
ENE
5
0.3
E
10
0.4
E
10
0.4
E
10
0.6
E
10
0.8
ENE
10
1.2
ENE
5
1.3
ENE
5
1.3
ENE
5
1.3
ENE
6
1.3
ENE
6
1.1
E
6
1
E
6
1
E
6
1
ENE
6
0.9
ENE
6
0.8
ENE
6
0.8
ENE
6
Wave Graph
Metric surfscale
Energy kJ
27
82
38
23
21
22
15
18
32
31
70
128
61
77
95
127
136
97
84
84
88
68
50
48
Wind (km/h)
20
NE
20
NE
15
NE
15
NE
10
ENE
10
E
10
E
10
ESE
10
SE
5
SE
0
E
10
NNE
35
NNE
35
NNE
35
NNE
30
NNE
30
NNE
25
N
25
NNE
20
NNE
20
NNE
15
NNE
10
NE
5
NE
Wind State
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
on
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
High Tide
2:37AM1.41m
3:44PM1.41m
3:21AM1.47m
4:00PM1.44m
4:05AM1.50m
4:17PM1.48m
Low Tide
9:14AM0.43m
9:29PM0.67m
9:45AM0.47m
10:00PM0.53m
10:15AM0.54m
clear
part cloud
cloud
rain showers
clear
part cloud
part cloud
part cloud
cloud
light rain
mod rain
mod rain
mod rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:26
—
—
—
—
—
—
—
5:26
—
—
—
—
—
—
—
5:26
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
5:30
—
—
—
—
—
—
—
5:29
—
—
—
—
—
—
—
5:27
—
—
 mm
—
—
—
1
—
—
—
—
—
2
9
10
10
1
1
1
—
—
—
—
—
—
—
—
Temp °C
23
22
22
22
23
23
23
23
24
22
20
20
19
19
20
20
20
21
20
21
21
21
21
21
Feels °C
23
20
21
21
22
22
23
23
24
24
23
21
15
15
16
17
17
20
17
20
20
21
22
23
  • 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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