Choshi Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 8 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
22.9°C
2.7° 

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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.0m), 13s period with ESE swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 3ft (0.9m), 12s period with ESE swell.
  • Evening surf: Evening surf (16 Sep, local time) - 5ft (1.6m), 7s period with ENE swell.

The current surf forecast for Choshi at 4AM is: 0.8m 13s primary swell from a East direction and 0.8m 7s secondary swell from a Southeast direction (forecast issued at 08:00pm September 15). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (16 Sep)3.5ft (1.0m)13s
Afternoon (16 Sep)3ft (0.9m)12s
Evening (16 Sep)5ft (1.6m)7s

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


Short Range Forecast

Heavy rain (total 38mm), heaviest during Wed morning. Warm (max 22°C on Tue night, min 19°C on Thu morning). Winds increasing (light winds from the NE on Tue night, strong winds from the NNE by Fri afternoon).

Tue
15
Wednesday
16
Thursday
17
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)
2
1
2
1
1
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
Wave
Height (m)
Direction
Period (s)
1.2
ESE
14
1.1
ESE
14
1.1
ESE
13
0.8
E
13
1
ESE
13
1
ESE
13
0.9
ESE
13
0.9
ESE
12
0.6
E
12
1.6
ENE
7
1.6
ENE
7
0.6
E
12
0.5
E
12
0.5
E
12
0.5
E
11
0.4
E
11
2.1
ENE
7
2.1
ENE
8
Wave Graph
Metric surfscale
Energy kJ
542
465
451
219
372
367
277
260
105
222
229
102
69
68
64
40
478
504
Wind (km/h)
20
NNE
15
NE
15
NE
25
NNE
25
NNE
30
NNE
30
NNE
30
NNE
30
NNE
35
NNE
30
NNE
35
NNE
40
NNE
40
NNE
35
NNE
40
NNE
40
NNE
40
NNE
Wind State
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:40PM1.51m
7:12AM1.24m
6:00PM1.49m
8:03AM1.15m
6:22PM1.46m
Low Tide
00:35AM0.36m
12:14PM0.88m
1:12AM0.39m
12:30PM0.96m
light rain
light rain
thunderstorm
light rain
mod rain
light rain
mod rain
mod rain
light rain
cloud
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:42
 mm
2
1
2
3
6
3
9
9
1
1
2
1
Temp °C
22
22
22
22
22
22
21
21
21
21
20
20
20
19
19
20
20
20
Feels °C
23
23
24
22
22
21
19
19
18
18
17
17
15
14
15
14
14
14
  • 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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