Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 21 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 1PM is: 1.5m 11s primary swell from a Southeast direction and 1.2m 6s secondary swell from a South direction (forecast issued at 08:00am April 21). An open ocean swell of 0.4m 16s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Apr)6ft (1.8m)11s
Afternoon (21 Apr)4.5ft (1.3m)11s
Evening (21 Apr)3.5ft (1.1m)11s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
21
Wednesday
22
Thursday
23
Fri
24
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
1
0
0
0
1
1
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.4
ESE
1.8
SE
1.5
SE
1.3
ESE
1.4
E
1.1
ESE
1.1
ESE
1
ESE
1
E
0.9
ESE
0.8
ESE
0.6
ENE
0.6
ENE
0.6
ESE
0.6
E
0.6
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.5
E
0.4
ESE
0.5
ESE
Period(s) (?)121111111111101010101012141010101010101010999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5417565343964512752512312211801361061368074795150494947452950
Wind
(km/h)
35
SSW
35
SSW
35
NNE
20
NE
30
NE
20
NE
10
NE
10
E
10
SE
15
S
25
S
25
S
20
S
15
S
15
SSW
10
SSW
0
E
5
S
15
S
30
SSW
15
S
5
SE
10
NE
30
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscross-
off
crosscrosscrosscrosscross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crossglassglasscross-
on
cross-
on
cross-
on
oncrosscross-
off
High Tide
/ height (m)
5:05AM
1.31
7:59PM
1.06
5:35AM
1.28
9:17PM
0.98
6:08AM
1.21
11:30PM
0.95
Low Tide
/ height (m)
12:38PM
-0.15
12:12AM
0.87
1:28PM
-0.06
12:40AM
0.91
2:27PM
0.06
1:20AM
0.94
Tuesday
21
Wednesday
22
Thursday
23
Fri
24
Sunrise4:56-------4:56-------4:54-------
Sunset----6:14-------6:15-------6:15---
clear
part cloud
rain showers
clear
clear
cloud
clear
part cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
cloud
light rain
light rain
light rain
light rain
light rain
Rain (mm)
--1--------------1-12344
Temp. °C181913161716151515171718171818171718181614131314
Feels °C (?)1314611101011111113111313161717181816111112119
  • 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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