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Surf Forecasts:

Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Tuesday 20 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
14.7° C
 (Which is 2.2°C colder than average for this time of year)

How big are the waves at Choshi today?

The current surf forecast for Choshi at 6PM is: 0.6m 11s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a South direction (forecast issued at 02:00pm January 20). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Jan)--
Afternoon (20 Jan)2ft (0.6m)11s
Evening (20 Jan)1ft (0.3m)15s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
1
1
0
0
1
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
ENE
0.6
ENE
0.6
ENE
0.3
ENE
0.5
E
0.4
ENE
0.4
ENE
0.5
ENE
0.5
ENE
0.5
ENE
0.5
ENE
0.4
ENE
0.4
ENE
0.4
ENE
0.4
ENE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.4
ENE
0.4
ENE
0.4
ENE
0.4
ENE
Period(s) (?)121111151115141414141413131313101011111112121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)140100934259726711111110810469676665605858576458524847
Wind
(km/h)
20
N
20
NNE
25
N
30
NNW
25
NNW
20
NNW
20
N
20
N
10
NNW
10
NNW
10
N
10
NNW
10
NW
20
NW
30
NNW
25
NNW
25
NW
20
WNW
25
NNW
25
NW
25
NNW
20
NW
20
NW
20
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		offoffcross-
off		cross-
off		offoffoffoffoffoffoffoff
High Tide
/ height (m)
4:21PM
1.45
6:29AM
1.27
5:01PM
1.44
6:50AM
1.27
5:43PM
1.40
7:11AM
1.27
Low Tide
/ height (m)
10:58AM
0.85
11:34PM
0.02
11:32AM
0.79
12:04AM
0.08
12:08PM
0.72
12:35AM
0.18
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise-------6:43-------6:43-------6:43
Sunset-4:50-------4:51-------4:52------
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
cloud
light snow
light snow
cloud
part cloud
clear
cloud
cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
------1-----------------
Temp. °C876431232101132235432223
Feels °C (?)11-2-5-5-6-5-4-3-3-4-3-3-4-7-6-5-3-5-6-6-5-5-4
  • 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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