Asakawa surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 pm Saturday 30 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
22.7° C
(Which is slightly warmer than usual)

How big are the waves at Asakawa today (31 May):

  • Evening surf: Evening surf (31 May, local time) - 1.5ft (0.5m), 11s period with ESE swell.

The current surf forecast for Asakawa at 12AM is: 0.5m 11s primary swell from a East-southeast direction and 0.2m 5s secondary swell from a South direction (forecast issued at 08:00pm May 30). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (31 May)--
Afternoon (31 May)--
Evening (31 May)1.5ft (0.5m)11s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 47mm), heaviest during Tue afternoon. Warm (max 27°C on Sun afternoon, min 18°C on Sun night). Wind will be generally light.

Sat
30
Sunday
31
Monday
1
Tuesday
2
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
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
0
1
1
1
2
1
2
1
1
0
1
3
2
1
1
2
3
2
4
4
3
1
1
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.4
ESE
12
0.5
ESE
11
0.5
ESE
11
0.6
ESE
11
0.6
S
14
0.9
S
13
1
S
13
1.2
S
12
1.3
S
12
1.2
S
12
1.1
S
11
0.8
S
14
1.1
S
14
1.6
S
13
1.6
S
13
1.7
S
13
1.7
S
13
1.8
S
13
1.5
S
13
2
S
14
2
S
14
2.1
S
14
1.8
SSW
14
1.8
SSW
14
Wave Graph
Metric surfscale
Energy kJ
52
71
71
84
140
284
319
423
480
404
305
264
474
875
915
991
991
1127
775
1645
1622
1705
1226
1226
Wind (km/h)
5
SSW
10
WSW
5
W
5
WNW
5
NNW
5
S
10
SW
5
SSW
10
S
15
SW
10
SW
5
WSW
5
W
5
SSE
10
SSE
10
SSE
10
S
5
SSW
10
S
5
SE
5
ENE
10
ESE
20
ESE
15
ESE
glassy
cross
cross-off
glassy
glassy
glassy
cross-on
glassy
cross-on
cross
cross-on
cross
glassy
on
on
on
on
cross-on
on
glassy
glassy
cross-on
cross-on
cross-on
High Tide
6:02PM1.64m
4:56AM1.68m
6:39PM1.66m
5:28AM1.69m
7:15PM1.65m
6:00AM1.68m
Low Tide
11:26PM0.95m
11:48AM0.18m
00:00AM0.97m
12:22PM0.16m
00:33AM0.98m
12:57PM0.18m
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
light rain
light rain
mod rain
mod rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:52
4:52
4:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:06
7:07
7:07
1
4
5
6
9
11
Temp °C
23
22
21
22
22
24
26
27
25
20
19
18
19
23
24
23
22
21
20
19
18
19
20
20
24
23
22
23
23
25
26
27
26
21
20
19
20
24
24
23
24
23
22
21
20
20
20
20
Swell 1
Height (m)
Direction
Period (s)
0.4
ESE
12
0.5
ESE
11
0.5
ESE
11
0.6
ESE
11
0.6
S
14
0.9
S
13
1
S
13
1.2
S
12
1.3
S
12
1.2
S
12
1.2
SSE
6
1.1
SSE
6
1.1
S
14
1.6
S
13
1.6
S
13
1.7
S
13
1.7
S
13
1.8
S
13
1.5
S
13
2
S
14
2
S
14
2.1
S
14
1.8
SSW
14
1.8
SSW
14
Energy kJ
52
71
71
84
140
284
319
423
480
404
100
91
474
875
915
991
991
1127
775
1645
1622
1705
1226
1226
Swell 2
Height (m)
Direction
Period (s)
0.3
S
6
0.3
S
6
0.2
S
5
0.4
S
15
0.6
ESE
11
0.6
ESE
11
0.6
ESE
11
0.5
ESE
11
0.4
ESE
10
0.5
S
15
1.1
S
11
1
S
11
1
S
11
0.7
SSW
16
0.7
SSE
6
0.3
ESE
10
0.6
SSW
17
0.6
SSW
18
1
SSW
16
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
0.4
SE
10
Energy kJ
5
5
2
73
84
84
85
74
32
118
305
235
235
259
27
19
195
211
487
43
41
40
40
26
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
7
0.1
SE
7
0.2
S
16
0.2
S
5
0.1
SE
9
0.3
SE
12
0.2
SSE
9
0.3
SE
12
0.3
SE
12
0.4
ESE
11
0.7
S
15
0.8
S
14
0.9
SSE
6
0.3
ESE
10
0.3
ESE
10
0.3
SE
11
0.3
ESE
10
0.3
ESE
10
0.8
SE
5
0.3
ESE
10
0.2
E
9
Energy kJ
2
2
20
2
3
22
7
23
22
50
224
264
61
19
19
19
18
18
35
18
7
Wind waves
Height (m)
Direction
Period (s)
1
S
5
0.6
SE
5
0.6
SSE
5
0.8
SE
4
0.8
ESE
5
0.2
ESE
10
1.2
SE
5
1.3
SE
6
Energy kJ
48
19
15
23
31
9
85
101
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
2
2
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
Distance (km)
1
2
0
0
0
0
2
0
11
2
2
2
0
11
11
11
11
6
19
0
0
43
64
433
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
1
1
2
2
2
3
3
3
3
3
3
3
4
3
4
4
4
4
4
4
4
4
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
2
2
2
3
3
3
3
3
3
3
4
3
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
6
8
7
7
7
7
7
6
5
5
5
5
5
5
5
4
5
5
5
5
5
4
  • 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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