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Surf Forecasts:

Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Monday 12 Jan 2026 JST
Forecast update in hr  min  s Forecast update imminent
Choshi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Choshi sea temperature is
15.2° C
 (Which is 2.0°C colder than average for this time of year)

How big are the waves at Choshi today?

The current surf forecast for Choshi at 10AM is: 0.4m 11s primary swell from a South direction (forecast issued at 08:00am January 12). An open ocean swell of 0.4m 7s is not directed at the surf break, a second open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Jan)1.5ft (0.4m)11s
Afternoon (12 Jan)1ft (0.3m)15s
Evening (12 Jan)1.5ft (0.4m)15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
12
Tuesday
13
Wednesday
14
Thu
15
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM
Rating
(10 max)
0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
2
1
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
S
0.4
S
0.3
S
0.3
ENE
0.3
ENE
0.4
ENE
0.4
ENE
1.6
SW
0.7
S
1.6
SSW
1.8
SSW
1.8
SSW
1.8
SSW
1.7
SSW
1.3
S
1.1
S
0.8
S
0.7
S
0.5
S
0.3
S
0.3
S
0.3
ENE
0.3
ENE
0.2
ENE
Period(s) (?)111111151515148976789910101010105131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)643921444385763227923026134446847427622812810250175323216
Wind
(km/h)
30
WNW
15
WNW
5
WSW
10
S
10
S
10
S
15
W
25
SW
25
WSW
45
SW
50
SW
50
SW
50
WSW
35
WSW
15
W
15
NW
15
N
20
NNW
20
N
20
NNE
10
NE
10
NE
0
NW
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off		cross-
on		cross-
on		cross-
on		cross-
off		cross-
off		cross-
off		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		offcross-
off		cross-
off		crosscrossglassoff
High Tide
/ height (m)
9:30AM
1.26
1:50AM
0.88
10:15AM
1.25
11:16AM
1.25
Low Tide
/ height (m)
5:50PM
0.52
3:00AM
0.88
7:05PM
0.42
8:00PM
0.32
Monday
12
Tuesday
13
Wednesday
14
Thu
15
Sunrise-6:46-------6:46-------6:46------
Sunset---4:42-------4:43-------4:44----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C446778877121415141211998888776
Feels °C (?)-5-32333300134336342123351
  • 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

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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.

View detailed surf forecast for Choshi at:
surf-forecast.com

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