Asakawa Surf Break

Lat Long: 33.63° N 134.38° E

Asakawa 48 hour detailed Surf Forecast

Issued: 8 am 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Asakawa sea temperature is
28.6° C
0.9° 

Asakawa surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Asakawa today (13 Aug):

  • Morning surf: Morning surf (13 Aug, local time) - 2.5ft (0.7m), 9s period with SSW swell.
  • Afternoon surf: Afternoon surf (13 Aug, local time) - 2.5ft (0.7m), 9s period with SSW swell.
  • Evening surf: Evening surf (13 Aug, local time) - 2.5ft (0.7m), 9s period with S swell.

The current surf forecast for Asakawa at 11AM is: 0.7m 9s primary swell from a South-southwest direction and 0.3m 12s secondary swell from a Southeast direction, 0.4m 4s secondary swell from a East-southeast direction (forecast issued at 08:00am August 13). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Aug)2.5ft (0.7m)9s
Afternoon (13 Aug)2.5ft (0.7m)9s
Evening (13 Aug)2.5ft (0.7m)9s

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


Short Range Forecast

Heavy rain (total 21mm), heaviest during Sat night. Warm (max 29°C on Fri morning, min 24°C on Thu night). Wind will be generally light.

Thursday
13
Friday
14
Saturday
15
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
Rating
(10 max)
1
0
0
0
1
1
1
1
1
0
0
0
0
1
1
1
1
1
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
9
0.7
SSW
9
0.7
SSW
9
0.7
SSW
9
0.7
SSW
9
0.7
S
9
0.7
S
9
0.7
S
9
0.7
S
9
0.7
S
9
0.7
S
9
0.7
S
9
0.7
S
9
0.6
S
9
0.6
S
8
0.7
S
10
0.7
S
10
0.7
S
10
0.7
S
9
0.7
S
9
0.7
S
9
0.7
S
9
Wave Graph
Metric surfscale
Energy kJ
115
88
86
86
86
79
79
78
76
73
73
73
74
54
52
104
96
94
83
79
79
78
Wind (km/h)
0
NNE
10
SE
10
SSE
10
SSE
5
SSE
0
SW
5
W
5
WNW
5
WNW
5
SE
10
SSE
10
S
5
S
5
WSW
5
W
5
W
5
WNW
5
ESE
10
ESE
10
SSE
10
SE
5
ESE
Wind State
glassy
cross-on
on
on
glassy
glassy
glassy
glassy
glassy
cross-on
on
on
cross-on
glassy
glassy
glassy
glassy
glassy
cross-on
on
on
glassy
High Tide
5:39AM1.88m
6:54PM1.83m
6:24AM1.90m
7:22PM1.83m
7:07AM1.87m
7:49PM1.81m
Low Tide
12:20PM0.01m
00:35AM0.66m
12:56PM0.09m
1:12AM0.56m
1:30PM0.22m
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
clear
part cloud
cloud
part cloud
cloud
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:51
6:49
 mm
1
2
2
2
1
1
1
1
1
2
Temp °C
24
26
27
27
26
25
24
24
24
27
29
28
27
25
25
25
25
27
29
29
27
25
Feels °C
28
29
30
30
30
30
28
28
28
30
31
31
31
29
29
29
29
31
32
32
31
29
  • 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
How to use the Wavefinder 

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.


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