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Surf Forecasts:

Asakawa surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 am Wednesday 18 Mar 2026 JST
Forecast update in hr  min  s Forecast update imminent
Asakawa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Asakawa sea temperature is
17.4° C
 (Which is normal for this time of year)

How big are the waves at Asakawa today?

The current surf forecast for Asakawa at 2PM is: 0.8m 5s primary swell from a South-southeast direction and 0.3m 11s secondary swell from a East-southeast direction, 0.3m 3s secondary swell from a Southeast direction (forecast issued at 08:00am March 18). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (18 Mar)1.5ft (0.4m)11s
Afternoon (18 Mar)4ft (1.2m)5s
Evening (18 Mar)3.5ft (1.1m)5s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Sat
21
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM
Rating
(10 max)
1
0
0
1
0
0
0
1
3
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
E
0.4
ESE
0.3
ESE
1.2
S
0.9
S
1.1
SSW
1.6
SSW
1.9
SSW
2.3
SW
1.2
SSW
1
SSW
0.9
SSW
0.7
SSW
0.5
SSW
0.4
SSW
0.4
SW
0.3
SSW
0.3
SSW
0.2
SSW
0.1
S
0.1
SE
0.1
SE
0.1
SE
0.1
SE
Period(s) (?)11111155567877777666661919191919
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6340236142721973236061571017042261710873715151514
Wind
(km/h)
0
NE
5
S
0
WSW
10
WNW
15
SW
15
SW
20
SW
15
WSW
5
N
15
N
10
N
5
N
10
N
15
N
15
N
15
N
10
NNW
5
NNE
5
SE
5
SE
0
SSW
15
N
20
N
20
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on		glasscross-
off		crosscrosscrosscrossglasscross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffglassoncross-
on		glassoffcross-
off		cross-
off
High Tide
/ height (m)
5:45AM
1.80
5:38PM
1.85
6:09AM
1.85
6:18PM
1.91
6:33AM
1.88
6:58PM
1.91
Low Tide
/ height (m)
11:40AM
0.53
11:55PM
0.25
12:10PM
0.37
12:27AM
0.32
12:43PM
0.24
12:59AM
0.43
Wednesday
18
Thursday
19
Friday
20
Sat
21
Sunrise-6:09-------6:07-------6:07------
Sunset----6:10-------6:12-------6:13---
clear
part cloud
light rain
light rain
light rain
cloud
light rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
Rain (mm)
--151-111---------------
Temp. °C101412131414171715151616141087711141412986
Feels °C (?)912121212121516151213141264348111110431
  • 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 Asakawa 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 Asakawa at:
surf-forecast.com

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