Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 2 am 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
23.2°C
3.0° 

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 (04 Sep):

  • Morning surf: Morning surf (04 Sep, local time) - 1.5ft (0.5m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (04 Sep, local time) - 1.5ft (0.5m), 9s period with E swell.
  • Evening surf: Evening surf (04 Sep, local time) - 1.5ft (0.5m), 9s period with E swell.

The current surf forecast for Choshi at 6AM is: 0.5m 9s primary swell from a East direction and 0.6m 6s secondary swell from a Southeast direction (forecast issued at 02:00am September 04). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (04 Sep)1.5ft (0.5m)9s
Afternoon (04 Sep)1.5ft (0.5m)9s
Evening (04 Sep)1.5ft (0.5m)9s

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


Short Range Forecast

Heavy rain (total 142mm), heaviest during Sun night. Warm (max 25°C on Fri afternoon, min 20°C on Fri night). Winds increasing (light winds from the ENE on Fri morning, strong winds from the NE by Sun night).

Friday
4
Saturday
5
Sunday
6
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)
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
E
10
0.6
E
10
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.8
E
9
1.2
E
4
1.4
E
5
1.4
E
6
1.3
E
6
1.2
E
6
1.2
ENE
6
1.3
ENE
6
1.5
ENE
5
1.7
ENE
6
1.9
ENE
6
1.8
ENE
7
1.7
ENE
7
2.2
E
7
2.5
E
8
3
E
9
Wave Graph
Metric surfscale
Energy kJ
92
64
42
41
41
41
41
41
106
55
106
123
110
104
101
95
126
187
275
295
285
537
924
1320
Wind (km/h)
10
W
10
WNW
5
NNE
10
ENE
15
ENE
15
ENE
15
ENE
20
ENE
25
NE
25
NE
30
ENE
25
NE
25
NE
25
NE
30
NE
30
NE
30
NE
30
NE
35
NE
40
NE
40
NE
40
ENE
45
ENE
50
ENE
Wind State
cross-off
off
cross-off
cross
cross-on
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
9:54AM1.10m
7:12PM1.46m
7:44PM1.41m
Low Tide
2:30AM0.37m
12:42PM1.06m
3:46AM0.39m
5:28AM0.39m
rain showers
light rain
light rain
light rain
cloud
cloud
cloud
thunderstorm
light rain
heavy rain
heavy rain
light rain
light rain
light rain
cloud
light rain
light rain
cloud
light rain
light rain
cloud
light rain
light rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:09
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
5:59
5:58
 mm
1
4
5
1
1
3
19
14
5
5
1
1
1
1
1
1
2
8
Temp °C
24
23
22
24
24
25
25
24
22
20
20
20
21
22
21
21
22
23
23
23
24
24
23
23
Feels °C
26
26
25
26
25
26
26
24
21
18
17
18
19
19
18
18
19
20
20
19
20
20
18
18
  • 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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