Surf Break

Lat Long: 35.71° N 140.80° E

Choshi 48 hour detailed Surf Forecast

Issued: 2 am 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Choshi sea temperature is
24.0°C
0.6° 

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 (28 Sep):

  • Morning surf: Morning surf (28 Sep, local time) - 0.5ft (0.2m), 14s period with ENE swell.
  • Afternoon surf: Afternoon surf (28 Sep, local time) - 4.5ft (1.4m), 6s period with SSW swell.
  • Evening surf: Evening surf (28 Sep, local time) - 5ft (1.5m), 7s period with SSW swell.

The current surf forecast for Choshi at 9AM is: 0.2m 14s primary swell from a East-northeast direction and 0.4m 6s secondary swell from a East-northeast direction, 0.3m 9s secondary swell from a East direction, 0.6m 4s secondary swell from a South direction (forecast issued at 02:00am September 28). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (28 Sep)0.5ft (0.2m)14s
Afternoon (28 Sep)4.5ft (1.4m)6s
Evening (28 Sep)5ft (1.5m)7s

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


Short Range Forecast

Heavy rain (total 59mm), heaviest during Tue night. Warm (max 24°C on Mon morning, min 17°C on Tue afternoon). Winds decreasing (fresh winds from the SW on Mon morning, light winds from the SW by Mon night).

Monday
28
Tuesday
29
Wednesday
30
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
2
0
0
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
ENE
6
0.5
S
7
0.7
SSW
7
0.2
ENE
14
0.9
S
6
1.4
SSW
6
1.4
SSW
6
1.5
SSW
7
0.8
SSE
7
0.8
SSE
7
0.7
SSE
7
0.6
SSE
7
0.5
SSE
7
0.5
S
6
1
NE
5
0.8
ENE
5
0.6
ENE
5
0.4
E
9
0.4
E
9
0.4
E
8
0.4
E
9
0.4
E
9
0.4
E
8
0.7
E
5
Wave Graph
Metric surfscale
Energy kJ
26
24
45
21
49
139
146
212
73
73
51
36
26
21
47
33
15
24
24
23
23
23
23
23
Wind (km/h)
10
S
20
SW
15
SW
25
SW
30
SW
20
SW
15
SW
10
WNW
10
SW
5
SW
15
N
15
N
20
N
25
N
25
NNE
25
NNE
20
NNE
20
NNE
25
NNE
20
NNE
20
NNE
20
ENE
20
ENE
20
ENE
Wind State
cross-on
cross
cross
cross
cross
cross
cross
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
cross
cross
High Tide
4:49AM1.50m
4:34PM1.50m
5:35AM1.47m
4:53PM1.53m
6:24AM1.40m
5:14PM1.54m
Low Tide
10:32PM0.39m
10:44AM0.64m
11:07PM0.28m
11:12AM0.77m
11:44PM0.21m
11:38AM0.89m
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
heavy rain
mod rain
light rain
light rain
cloud
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:28
—
—
—
—
—
—
—
5:28
—
—
—
—
—
—
—
5:30
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
5:25
—
—
—
—
—
—
—
5:23
—
—
—
—
—
—
—
5:22
—
—
 mm
—
—
—
3
2
3
3
—
—
—
1
1
1
3
9
13
9
5
1
—
1
1
1
1
Temp °C
23
23
22
23
24
22
23
22
23
23
23
20
19
19
17
17
17
17
18
18
19
20
20
21
Feels °C
25
24
23
23
23
22
25
24
26
26
24
20
18
17
14
14
15
14
15
16
18
19
19
21
  • 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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