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Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Monday 20 Apr 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
15.8° 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 8PM is: 1.6m 12s primary swell from a East-southeast direction (forecast issued at 02:00pm April 20). An open ocean swell of 0.1m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Apr)--
Afternoon (20 Apr)7ft (2.2m)13s
Evening (20 Apr)5ft (1.6m)12s

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


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
1
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
SE
2.2
SE
1.6
ESE
1.6
ESE
1.6
SE
1.4
ESE
1.3
ESE
1.8
SE
1.5
SE
1.3
ESE
1.3
ESE
1.1
ESE
1.1
ESE
1.1
ESE
1.1
ESE
1.1
ESE
1.2
ESE
1.1
SE
1.1
SE
1
ESE
0.9
ESE
0.6
ESE
0.8
E
0.8
ENE
Period(s) (?)131312121212121111111111101010101010101010101414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1127163278477170656944675653439635927525124624123227223423421216079257213
Wind
(km/h)
20
SE
20
SE
20
SSE
20
S
25
S
25
S
35
SSW
30
SSW
25
NNE
20
NE
30
ENE
30
NE
15
ENE
15
SE
15
SSE
20
S
20
S
20
SSE
15
SSE
15
SSW
10
SW
10
NNE
30
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
crosscrosscrosscross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
off
crosscross-
on
High Tide
/ height (m)
6:59PM
1.14
5:05AM
1.31
7:59PM
1.06
5:35AM
1.28
9:17PM
0.98
6:08AM
1.21
Low Tide
/ height (m)
11:53AM
-0.19
11:43PM
0.80
12:38PM
-0.15
12:12AM
0.87
1:28PM
-0.06
12:40AM
0.91
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise------4:56-------4:56-------4:54-
Sunset--6:13-------6:14-------6:15-----
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
rain showers
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
Rain (mm)
--------1-------------1-
Temp. °C171717171717181917161716161616171818181818171617
Feels °C (?)13131314131313151311109111112131414161717161111
  • 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

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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