Asakawa surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 2 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 (30 May):

  • Afternoon surf: Afternoon surf (30 May, local time) - 1.5ft (0.4m), 12s period with ESE swell.
  • Evening surf: Evening surf (30 May, local time) - 1.5ft (0.5m), 11s period with ESE swell.

The current surf forecast for Asakawa at 10PM is: 0.5m 11s primary swell from a East-southeast direction and 0.3m 6s secondary swell from a South direction (forecast issued at 02:00pm May 30). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (30 May)--
Afternoon (30 May)1.5ft (0.4m)12s
Evening (30 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

Moderate rain (total 12mm), heaviest on Tue morning. Warm (max 26°C on Sun morning, min 19°C on Sun night). Wind will be generally light.

Sat
30
Sunday
31
Monday
1
Tue
2
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
6 AM
9 AM
Rating
(10 max)
0
0
0
0
1
1
1
1
0
0
0
0
1
1
3
2
2
2
3
3
3
4
4
3
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)
0.4
ESE
12
0.4
ESE
12
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
1.2
S
12
1.2
S
12
1.1
S
11
0.8
S
15
0.9
SSW
15
1.3
S
13
2
S
14
2
S
15
2.2
S
15
2.2
SSW
15
2.1
SSW
14
2.1
S
14
2.1
S
14
2
SSW
14
Wave Graph
Metric surfscale
Energy kJ
54
53
52
71
71
84
140
284
319
423
409
404
305
275
385
577
1608
1879
2117
1948
1773
1807
1731
1419
Wind (km/h)
10
ESE
5
SE
5
SSW
10
WSW
5
W
5
WNW
5
WNW
5
S
10
SW
10
S
15
SSW
15
SW
10
SW
5
SW
5
W
5
SSE
10
SSE
10
SSE
10
SSE
10
S
10
SSW
0
S
0
ESE
10
ESE
cross-on
on
glassy
cross
cross-off
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
glassy
on
on
on
on
cross-on
cross-on
glassy
glassy
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
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light rain
light rain
light 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
2
3
Temp °C
25
25
23
22
22
22
22
25
26
26
24
19
19
19
19
23
24
23
22
21
20
19
19
20
25
25
24
23
23
23
23
26
26
25
24
19
19
20
21
24
24
23
23
23
22
21
22
22
Swell 1
Height (m)
Direction
Period (s)
0.4
ESE
12
0.4
ESE
12
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
1.2
S
12
1.2
S
12
1.2
SSE
6
1.1
SSE
6
1
S
11
1.3
S
13
2
S
14
2
S
15
2.2
S
15
2.2
SSW
15
2.1
SSW
14
2.1
S
14
2.1
S
14
2
SSW
14
Energy kJ
54
53
52
71
71
84
140
284
319
423
409
404
107
91
235
577
1608
1879
2117
1948
1773
1807
1731
1419
Swell 2
Height (m)
Direction
Period (s)
0.3
SSE
6
0.4
SSE
6
0.3
S
6
0.3
S
6
0.3
SSW
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
0.9
SSW
15
0.9
SSW
16
0.3
ESE
10
0.8
SSW
18
0.4
ESE
11
0.7
SE
5
0.7
SE
5
0.4
ESE
10
0.4
ESE
10
0.4
ESE
10
Energy kJ
6
11
5
5
5
73
84
84
85
74
32
118
305
235
385
469
19
373
45
27
25
43
41
40
Swell 3
Height (m)
Direction
Period (s)
0.1
SW
6
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
15
0.9
SSE
6
0.8
SSE
6
0.3
SE
11
0.4
ESE
11
0.3
SE
11
0.3
ESE
10
0.4
ESE
11
0.3
ESE
9
0.3
SE
11
Energy kJ
1
2
2
20
2
3
22
7
23
22
50
224
275
55
44
19
45
19
18
45
17
20
Wind waves
Height (m)
Direction
Period (s)
0.7
S
3
1.1
S
5
0.8
SE
5
0.7
SE
5
1
SE
4
1.1
SE
5
Energy kJ
11
71
38
23
40
58
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
2
2
3
2
3
3
3
3
3
4
4
4
4
1
4
4
4
Distance (km)
282
11
1
2
0
0
0
11
2
11
11
2
2
2
0
19
11
11
11
14
11
0
0
43
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
1
1
1
2
2
2
3
3
2
3
3
3
3
3
4
4
4
4
1
4
4
4
Best forecast wave conditions in Japan
Rating
(10 max)
1
2
1
1
1
2
2
2
3
3
2
3
3
3
3
4
4
4
4
4
4
4
4
4
Header Global
Rating
(10 max)
5
5
5
5
6
8
7
7
7
7
7
6
6
5
5
5
5
5
5
4
4
5
5
5
  • 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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