Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 8 am 26 Sep 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
22.6°C
2.2° 

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 (26 Sep):

  • Morning surf: Morning surf (26 Sep, local time) - 1.5ft (0.5m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (26 Sep, local time) - 3.5ft (1.0m), 5s period with NE swell.
  • Evening surf: Evening surf (26 Sep, local time) - 3ft (0.9m), 5s period with NE swell.

The current surf forecast for Choshi at 2PM is: 1.0m 5s primary swell from a Northeast direction and 0.4m 4s secondary swell from a South-southeast direction, 0.4m 10s secondary swell from a East direction (forecast issued at 08:00am September 26). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (26 Sep)1.5ft (0.5m)10s
Afternoon (26 Sep)3.5ft (1.0m)5s
Evening (26 Sep)3ft (0.9m)5s

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


Short Range Forecast

Heavy rain (total 44mm), heaviest during Sat morning. Warm (max 21°C on Sat afternoon, min 19°C on Sat night). Winds decreasing (fresh winds from the NE on Sat afternoon, calm by Mon night).

Saturday
26
Sunday
27
Monday
28
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
1
0
0
0
0
0
0
0
0
1
1
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)
0.5
E
10
0.5
E
10
0.5
E
10
1
NE
5
1
NE
5
0.9
NE
5
0.3
E
10
0.3
E
10
0.3
E
9
0.3
E
9
0.3
E
9
1
NE
6
0.3
E
9
0.2
E
9
0.9
ENE
6
0.8
ENE
6
0.8
ENE
6
0.6
ENE
6
0.5
ENE
6
0.5
ENE
6
0.5
E
6
0.5
E
6
Wave Graph
Metric surfscale
Energy kJ
47
49
49
46
55
43
17
17
16
15
15
69
14
7
67
51
44
30
22
22
20
20
Wind (km/h)
10
SE
10
ESE
30
NNE
30
NE
15
ENE
15
NW
25
NNW
20
NW
20
NNW
20
N
20
N
20
NNE
20
N
15
N
5
NNE
5
W
5
SSE
15
S
10
WSW
15
NNW
5
NE
10
NNW
Wind State
on
cross-on
cross-off
cross
cross
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
on
cross-on
cross-off
off
cross
off
High Tide
3:21AM1.47m
4:00PM1.44m
4:05AM1.50m
4:17PM1.48m
4:49AM1.50m
4:34PM1.50m
Low Tide
9:45AM0.47m
10:00PM0.53m
10:15AM0.54m
10:32PM0.39m
10:44AM0.64m
mod rain
heavy rain
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
mod rain
mod rain
light rain
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
—
—
—
—
—
—
5:26
—
—
—
—
—
—
—
5:28
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
5:29
—
—
—
—
—
—
—
5:27
—
—
—
—
—
—
—
5:25
—
—
 mm
6
12
4
1
2
1
—
—
—
—
—
—
—
—
—
—
—
2
7
7
5
—
Temp °C
21
20
20
20
21
20
19
19
19
20
21
21
21
20
20
20
21
21
21
21
21
20
Feels °C
22
22
18
17
22
20
17
18
18
19
19
20
20
20
21
22
23
22
23
22
23
22
  • 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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