Asakawa surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 am Monday 25 May 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
21.3° C
(Which is normal for this time of year)

How big are the waves at Asakawa today?

The current surf forecast for Asakawa at 1PM is: 1.6m 9s primary swell from a East direction and 1.2m 9s secondary swell from a East-southeast direction, 0.3m 7s secondary swell from a South-southeast direction (forecast issued at 08:00am May 25). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (25 May)5.5ft (1.7m)9s
Afternoon (25 May)4ft (1.2m)8s
Evening (25 May)4ft (1.2m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 15mm), heaviest on Wed night. Warm (max 24°C on Mon morning, min 20°C on Mon night). Wind will be generally light.

Monday
25
Tuesday
26
Wednesday
27
Thu
28
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
Rating
(10 max)
2
2
0
0
0
1
1
1
2
1
0
0
0
0
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.4
ESE
9
1.7
E
9
1.6
E
9
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.1
ESE
8
1
ESE
8
1.2
ESE
8
1.2
ESE
8
0.9
ESE
8
1
ESE
7
1.2
ESE
6
1.1
ESE
6
1.1
ESE
6
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
6
1
ESE
5
0.9
ESE
5
0.8
ESE
5
0.7
ESE
8
0.8
SE
7
Wave Graph
Metric surfscale
Energy kJ
295
442
384
207
202
197
153
125
202
197
93
102
93
82
82
119
98
100
55
61
51
36
50
64
Wind (km/h)
5
W
5
SE
10
SSE
10
SSE
5
S
5
SSW
5
SSW
0
SW
5
E
10
ESE
10
SE
15
SE
10
SSE
5
SE
5
SE
5
ESE
0
ESE
10
SSE
15
SSE
15
S
10
SSW
10
SSW
10
S
15
SSE
glassy
on
on
on
on
glassy
glassy
glassy
glassy
cross-on
cross-on
on
on
on
cross-on
glassy
glassy
on
on
on
cross-on
cross-on
cross-on
on
High Tide
1:41PM1.33m
2:14AM1.56m
2:59PM1.39m
2:50AM1.59m
3:57PM1.47m
Low Tide
7:56AM0.83m
7:42PM0.74m
8:50AM0.67m
8:40PM0.81m
9:32AM0.52m
9:30PM0.86m
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:54
4:54
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:02
7:02
7:04
1
2
3
2
3
Temp °C
20
23
24
23
22
20
20
20
20
23
24
24
22
21
21
21
21
23
24
23
21
20
20
21
22
24
24
24
24
22
23
23
22
24
24
24
23
23
23
23
24
24
24
24
23
21
21
23
Swell 1
Height (m)
Direction
Period (s)
1.4
ESE
9
1.3
ESE
9
1.2
ESE
9
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.1
ESE
8
1
ESE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.1
SE
15
0.5
ESE
9
0.4
ESE
8
1.1
ESE
6
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.4
ESE
8
0.3
ESE
8
0.9
ESE
5
0.8
ESE
5
0.7
ESE
8
0.4
ESE
10
Energy kJ
295
251
199
207
202
197
153
125
125
98
93
9
42
23
82
119
98
100
21
13
51
36
50
38
Swell 2
Height (m)
Direction
Period (s)
0.3
S
7
0.3
SSE
7
0.3
SSE
7
0.3
SSE
7
0.3
SSE
6
0.2
S
7
0.3
S
6
0.2
S
6
0.2
S
6
0.2
S
6
0.1
SE
15
0.1
S
12
0.1
SE
15
0.4
SE
10
0.3
ESE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.3
ESE
10
0.4
SE
10
0.3
ESE
10
0.3
ESE
10
0.2
ESE
14
Energy kJ
8
9
10
9
8
4
7
3
3
3
9
3
9
27
20
27
25
26
25
20
25
20
19
19
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
7
0.2
SSW
7
0.1
SW
7
0.1
SW
6
0.1
E
16
0.1
S
6
0.1
E
16
0.1
E
16
0.1
E
16
0.1
SE
15
0.1
SE
12
0.1
S
12
0.1
S
12
0.1
SE
15
0.1
SE
15
0.1
SE
15
0.1
SE
15
0.2
ESE
15
0.2
ESE
14
0.2
SSE
11
0.3
ESE
8
0.2
ESE
14
0.2
ESE
14
0.1
SE
10
Energy kJ
5
5
2
2
5
1
5
5
5
9
6
3
3
9
9
9
8
21
21
11
13
19
19
4
Wind waves
Height (m)
Direction
Period (s)
1.7
E
9
1.6
E
9
1.2
ESE
8
1.2
ESE
8
1
ESE
7
1.2
ESE
6
1.1
ESE
6
0.9
ESE
6
1
ESE
5
0.1
W
7
0.3
S
3
0.8
SE
7
Energy kJ
442
384
202
197
102
93
82
55
61
1
1
64
Nearest Offshore or Glassy
Rating
(10 max)
2
1
3
1
2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
19
11
369
11
0
0
0
0
43
19
473
43
14
14
0
0
11
11
11
11
11
11
11
Best forecast wave conditions in Shikoku
Rating
(10 max)
4
3
3
2
2
2
2
2
1
1
1
1
2
2
2
2
1
1
1
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
4
3
3
1
2
2
2
2
2
1
2
1
1
2
2
2
2
2
1
1
1
2
2
2
Header Global
Rating
(10 max)
5
5
4
4
4
4
4
4
4
4
5
8
9
9
9
9
5
6
6
7
7
7
6
7
  • 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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