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Surf Forecasts:

Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Wednesday 18 Mar 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
15.3° C
 (Which is 1.0°C colder than average for this time of year)

How big are the waves at Choshi today?

The current surf forecast for Choshi at 7PM is: 1.8m 14s primary swell from a East direction and 0.1m 10s secondary swell from a Southeast direction, 0.9m 5s secondary swell from a South-southeast direction (forecast issued at 02:00pm March 18). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Mar)--
Afternoon (18 Mar)5.5ft (1.7m)14s
Evening (18 Mar)6ft (1.8m)14s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Saturday
21
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)
1
0
0
1
1
0
0
!
2
0
0
0
0
0
0
0
0
0
1
2
1
0
0
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
E
1.7
E
1.8
E
1.8
E
1.8
E
1.7
E
1.6
E
3
SSW
1.4
E
1.3
E
1.2
E
1.2
E
1.1
E
1.1
E
1
E
1
E
1
E
1
E
1
E
1.1
ENE
1.1
ENE
1.1
ENE
1
ENE
1.2
ENE
Period(s) (?)14141414141414814141313131313131414141414141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)104711101297129712971142985875725618521503417411335350400429423521507478384499
Wind
(km/h)
20
S
20
SSW
20
S
30
SSW
30
SW
40
SSW
50
SSW
15
WNW
15
N
30
NE
35
NNE
30
NE
25
NE
25
NE
25
NE
25
ENE
20
E
20
ENE
25
NNE
25
N
25
NNW
40
NNW
25
N
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		crosscrosscross-
on		crossoffcross-
off		crosscross-
off		crosscrosscrosscrosscrosscross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
3:38PM
1.30
4:28AM
1.22
4:23PM
1.32
4:45AM
1.25
5:09PM
1.31
5:03AM
1.28
Low Tide
/ height (m)
9:48AM
0.48
10:11PM
0.18
10:20AM
0.33
10:41PM
0.26
10:54AM
0.19
11:10PM
0.37
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise------5:43-------5:41-------5:39-
Sunset-5:45-------5:45-------5:46------
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
rain showers
cloud
clear
clear
clear
clear
Rain (mm)
-------45----111--2-----
Temp. °C1414141514151713121313121199899998557
Feels °C (?)10101010778119755533244342-5-32
  • 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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