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Surf Forecasts:

Asakawa surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 am Friday 20 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
17.2° C
 (Which is normal for this time of year)

How big are the waves at Asakawa today?

The current surf forecast for Asakawa at 12PM is: 0.4m 6s primary swell from a South-southwest direction and 0.4m 5s secondary swell from a Northeast direction (forecast issued at 08:00am March 20). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Mar)1.5ft (0.4m)6s
Afternoon (20 Mar)1.5ft (0.4m)6s
Evening (20 Mar)1.5ft (0.4m)6s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
20
Saturday
21
Sunday
22
Mon
23
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.4
SSW
0.4
S
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
Period(s) (?)666666191919181818181818171716161616161615
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13121212151515141413121212121212111010101010109
Wind
(km/h)
10
N
5
NNE
5
SE
5
ESE
0
SW
15
N
20
N
20
NNE
20
N
15
NNE
10
ENE
10
E
0
SSE
5
W
10
WNW
5
NNW
5
NNW
0
S
10
SSE
15
S
10
SSW
10
SW
5
W
5
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
on		cross-
on		glassoffcross-
off		cross-
off		cross-
off		cross-
off		crosscrossglasscross-
off		cross-
off		offoffglassoncross-
on		cross-
on		crosscross-
off		glass
High Tide
/ height (m)
6:33AM
1.88
6:58PM
1.91
6:58AM
1.88
7:41PM
1.86
7:24AM
1.86
8:26PM
1.75
Low Tide
/ height (m)
12:43PM
0.24
12:59AM
0.43
1:17PM
0.15
1:31AM
0.58
1:55PM
0.13
2:04AM
0.75
Friday
20
Saturday
21
Sunday
22
Mon
23
Sunrise-6:07-------6:05-------6:03------
Sunset----6:13-------6:14-------6:14---
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
light rain
mod rain
Rain (mm)
----------------------36
Temp. °C712151513119659131311999913161615141211
Feels °C (?)41012121164004899667712131212121110
  • 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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