Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 8 am 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
23.5°C
1.0° 

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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 1ft (0.3m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 2.5ft (0.8m), 12s period with E swell.
  • Evening surf: Evening surf (30 Sep, local time) - 3ft (0.9m), 5s period with ENE swell.

The current surf forecast for Choshi at 2PM is: 0.8m 12s primary swell from a East direction and 0.4m 9s secondary swell from a East direction, 0.2m 11s secondary swell from a South direction (forecast issued at 08:00am September 30). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (30 Sep)1ft (0.3m)12s
Afternoon (30 Sep)2.5ft (0.8m)12s
Evening (30 Sep)3ft (0.9m)5s

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


Short Range Forecast

Heavy rain (total 50mm), heaviest during Wed morning. Warm (max 22°C on Thu afternoon, min 18°C on Wed morning). Mainly fresh winds.

Wednesday
30
Thursday
1
Friday
2
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
0
0
0
0
2
1
0
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)
0.4
E
9
0.3
S
12
0.4
E
8
0.8
E
12
0.8
E
5
0.9
ENE
5
1
E
6
0.9
E
6
0.9
ESE
6
0.8
ESE
6
0.8
ESE
6
0.8
SSE
8
1
SSE
8
1.1
SSE
8
1.1
SE
8
1
SE
8
0.8
SE
7
1.3
ENE
5
1.4
NE
6
1.3
ENE
6
1
ENE
6
0.9
ENE
7
Wave Graph
Metric surfscale
Energy kJ
24
26
23
180
31
47
67
55
56
43
39
92
128
165
161
110
64
94
137
115
90
86
Wind (km/h)
15
NNE
25
NE
20
NE
20
NE
25
NNE
30
NNE
25
NNE
25
N
20
N
20
NNE
20
NNE
30
NNE
25
NNE
15
N
15
NNE
20
NE
30
NE
35
NE
30
NE
25
NE
15
ENE
20
NE
Wind State
cross-off
cross
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-on
cross-off
High Tide
6:24AM1.40m
5:14PM1.54m
7:19AM1.31m
5:36PM1.53m
8:29AM1.22m
6:00PM1.50m
Low Tide
11:38AM0.89m
00:25AM0.19m
12:01PM1.01m
1:11AM0.21m
12:17PM1.10m
light rain
mod rain
heavy rain
light rain
light rain
light rain
cloud
light rain
light rain
cloud
light rain
light rain
light rain
clear
clear
part cloud
part cloud
part cloud
cloud
light rain
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:30
—
—
—
—
—
—
5:30
—
—
—
—
—
—
—
5:31
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
5:22
—
—
—
—
—
—
—
5:22
—
—
—
—
—
—
—
5:20
—
—
 mm
5
8
25
4
1
1
—
1
3
—
2
2
1
—
—
—
—
—
—
1
1
—
Temp °C
18
18
18
19
20
20
20
20
20
21
21
21
22
22
22
22
21
20
19
18
18
20
Feels °C
17
16
17
17
19
18
19
19
20
21
22
19
21
23
22
21
18
16
14
15
16
17
  • 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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