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Surf Forecasts:

Choshi surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 am Wednesday 18 Feb 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 slightly cooler than normal)

How big are the waves at Choshi today?

The current surf forecast for Choshi at 5AM is: 0.9m 7s primary swell from a East direction and 0.5m 12s secondary swell from a East direction, 0.7m 5s secondary swell from a East-northeast direction (forecast issued at 02:00am February 18). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Feb)3.5ft (1.0m)7s
Afternoon (18 Feb)3.5ft (1.0m)7s
Evening (18 Feb)1.5ft (0.5m)12s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
0
0
1
1
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
0
0
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
E
0.5
E
0.9
E
1
E
1.1
E
1
E
0.5
E
0.5
E
0.5
E
0.5
E
0.4
E
0.5
E
0.5
E
0.5
E
0.5
E
0.4
E
0.4
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.7
ENE
0.6
E
Period(s) (?)12127777111212121212121212161616161515151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)68677297121886567697146737374748079174170159161167210131
Wind
(km/h)
10
NE
15
NE
15
N
15
N
15
NW
5
WNW
5
N
15
NNW
35
NNW
40
NNW
40
NNW
25
NNW
15
NW
15
NW
10
WNW
10
W
10
WNW
10
NNW
10
NNW
5
NNW
10
NE
10
NE
5
N
10
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		crosscrosscross-
off		off
High Tide
/ height (m)
5:23AM
1.24
4:23PM
1.40
5:41AM
1.26
5:04PM
1.39
5:58AM
1.27
5:48PM
1.33
Low Tide
/ height (m)
10:41PM
0.04
10:42AM
0.62
11:11PM
0.08
11:16AM
0.51
11:40PM
0.17
11:51AM
0.40
Wednesday
18
Thursday
19
Friday
20
Sunrise---6:20-------6:20-------6:18----
Sunset-----5:20-------5:21-------5:22--
cloud
light rain
light rain
rain showers
cloud
part cloud
clear
part cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
-111----1---------------
Temp. °C9989910109643468987667891010
Feels °C (?)65455775-3-7-7-4024321245676
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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